|   | Delaware                                                            |   | 36-2472404                                |   |
|--------|---------------------------------------------------------------------|--------|-------------------------------------------|--------|
|   | (State      or other jurisdiction of incorporation or organization) |   | (I.R.S.      Employer Identification No.) |   |

No 

| Large Accelerated      filer     | Accelerated      filer     |
|------------------------------------------------------|------------------------------------------------|
| Non-Accelerated      filer    X       | Smaller      reporting company                 |

----

| NAVISTAR      FINANCIAL CORPORATION |
|-------------------------------------|
| AND      SUBSIDIARIES               |
|                                |
|                                |
| INDEX                               |
|                                |
|                                |   |   |   | PageReference |
|                                |   |   |   |   |
|                                | PART      I. |   | FINANCIAL      INFORMATION |   |
|                                |   |   |   |   |
|                                | Item      1. |   | Consolidated      Financial Statements: |   |
|                                |   |   |   |   |
|                                |   |   | Consolidated      Statements of Operations  - Three Months and Six Months Ended      April 30, 2008 and 2007 | 3 |
|                                |   |   |   |   |
|                                |   |   | Consolidated      Statements of Shareowner’s Equity and Comprehensive Income (Loss) – Six      Months Ended April 30, 2008 and 2007 | 4 |
|                                |   |   |   |   |
|                                |   |   | Consolidated      Statements of Financial Condition - April 30, 2008 and October 31,      2007  | 5 |
|                                |   |   |   |   |
|                                |   |   | Consolidated      Statements of Cash Flows - Six Months Ended April 30, 2008 and      2007 | 6 |
|                                |   |   |   |   |
|                                |   |   | Notes      to Consolidated Financial      Statements                                                                                               | 7 |
|                                |   |   |   |   |
|                                | Item      2. |   | Management's      Discussion and Analysis of Financial Condition  and Results of      Operations | 18 |
|                                |   |   |   |   |
|                                | Item      3. |   | Quantitative      and Qualitative Disclosures about Market Risk | 23 |
|                                |   |   |   |   |
|                                | Item      4. |   | Controls      and      Procedures                                                                                               | 23 |
|                                |   |   |   |   |
|                                |   |   |   |   |
|                                | PART      II. |   | OTHER      INFORMATION |   |
|                                |   |   |   |   |
|                                | Item      6. |   | Exhibits                                                                                              | 25 |
|                                |   |   |   |   |
|                                |   |   | Signature                                                                                              | 26 |
|                                |   |   |   |   |
|                                |   |   | Exhibit      Index                                                                                              | 27 |

----

|  Millions      of dollars                                                                                                                                                                                                                                                                                                                                                                                |   | For      the Three Months Ended April      30 |   |   | For      the Six Months Ended April      30 |   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|-----------------------------------------------|--------|--------|---------------------------------------------|--------|
|                                                                                                                                                                                                                                                                                                                                                                                                          |   | 2008                                          |   |   | 2007                                        |   |   | 2008 |   |   | 2007 |   |
| Revenues                                                                                                                                                                                                                                                                                                                                                                                                      |   |                                          |   |   |                                        |   |   |   |   |   |   |   |
| Retail      notes and finance leases revenue                                                                                                                                                                                                                                                                                                                                                                  |   | $                                             | 57.4   |   |                                        | $      | 65.9 |   |   | $ | 118.7 |   |   | $ | 131.5 |   |
| Operating      leases      revenue                                                                     |   |                                          | 5.4    |   |                                        |   | 6.2 |   |   |   | 11.0 |   |   |   | 12.3 |   |
| Wholesale      notes      interest                                                                     |   |                                          | 4.4    |   |                                        |   | 7.8 |   |   |   | 8.9 |   |   |   | 17.6 |   |
| Retail      and wholesale accounts interest                                                                                                                                                                                                                                                                                                                                                                   |   |                                          | 8.0    |   |                                        |   | 9.9 |   |   |   | 15.4 |   |   |   | 16.3 |   |
| Securitization      income                                                                             |   |                                          | 8.1    |   |                                        |   | 14.3 |   |   |   | 18.0 |   |   |   | 42.7 |   |
| Other      revenues                                                                                    |   |                                          | 7.3    |   |                                        |   | 9.2 |   |   |   | 15.6 |   |   |   | 16.3 |   |
| Total      revenues                                                                                                                       |   |                                          | 90.6   |   |                                        |   | 113.3 |   |   |   | 187.6 |   |   |   | 236.7 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                          |   |                                          |   |   |                                        |   |   |   |   |   |   |   |   |   |   |   |
| Expenses                                                                                                                                                                                                                                                                                                                                                                                                      |   |                                          |   |   |                                        |   |   |   |   |   |   |   |   |   |   |   |
| Cost      of borrowing:                                                                                                                                                                                                                                                                                                                                                                                       |   |                                          |   |   |                                        |   |   |   |   |   |   |   |   |   |   |   |
| Interest      expense                                                                                                           |   |                                          | 46.8   |   |                                        |   | 59.2 |   |   |   | 109.1 |   |   |   | 117.9 |   |
| Other                                                                                                                           |   |                                          | 3.1    |   |                                        |   | 2.5 |   |   |   | 5.4 |   |   |   | 4.7 |   |
| Credit,      collections and administrative                                                                                                                                                                                                                                                                                                                                                                   |   |                                          | 18.0   |   |                                        |   | 13.1 |   |   |   | 30.2 |   |   |   | 24.6 |   |
| Provision      for credit      losses                                                                  |   |                                          | 6.0    |   |                                        |   | 4.1 |   |   |   | 10.6 |   |   |   | 4.7 |   |
| Depreciation      on operating      leases                                                             |   |                                          | 4.0    |   |                                        |   | 4.6 |   |   |   | 8.5 |   |   |   | 9.5 |   |
| Derivative      expense      (income)                                                                  |   |                                          | (1.7   | )      |                                        |   | 6.2 |   |   |   | 38.5 |   |   |   | 0.2 |   |
| Other      expenses      (income)                                                                      |   |                                          | 2.3    |   |                                        |   | 0.2 |   |   |   | 2.9 |   |   |   | (0.1 | ) |
| Total      expenses                                                                                                                       |   |                                          | 78.5   |   |                                        |   | 89.9 |   |   |   | 205.2 |   |   |   | 161.5 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                          |   |                                          |   |   |                                        |   |   |   |   |   |   |   |   |   |   |   |
| Income      (loss) before      taxes                                                                   |   |                                          | 12.1   |   |                                        |   | 23.4 |   |   |   | (17.6 | ) |   |   | 75.2 |   |
| Income      tax (benefit) expense                                                            |   |                                          | 4.8    |   |                                        |   | 8.5 |   |   |   | (5.8 | ) |   |   | 27.2 |   |
| Net      income      (loss)                                                                            |   | $                                             | 7.3    |   |                                        | $      | 14.9 |   |   | $ | (11.8 | ) |   | $ | 48.0 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                          |   |                                          |   |   |                                        |   |   |   |   |   |   |   |   |   |   |   |

----

| Millions      of dollars                                                                                                                                                                                                                                                                  |   | CapitalStock |   |   | Paid-InCapital |   |   | RetainedEarnings |   |   | Accumulated      OtherComprehensive      Income (Loss) |   |   | Total  |   |   | ComprehensiveIncome      (Loss) |   |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------------|--------|--------|----------------|--------|--------|------------------|--------|--------|--------------------------------------------------------|--------|--------|--------|--------|--------|---------------------------------|--------|
|                                                                                                                                                                                                                                                                                      |   |         |   |   |           |   |   |             |   |   |                                                   |   |   |   |   |   |                            |   |
| Balance      at October 31, 2006                                                                                                                                                                                                                                                          |   | $            | 1.6    |   |           | $      | 139.6  |             |   | $      | 459.8                                                  |   |   | $      | (1.7   | )      |                            | $      | 599.3 |   |   |   |   |
| 2007      Activity:                                                                                                                                                                                                                                                                       |   |         |   |   |           |   |   |             |   |   |                                                   |   |   |   |   |   |                            |   |   |   |   |   |   |
| Net      income                                                              |   |         | -      |   |           |   | -      |             |   |   | 48.0                                                   |   |   |   | -      |   |                            |   | 48.0 |   |   | $ | 48.0 |   |
| Pension      liability adjustment                                                                                                                                                                                                                                                         |   |         | -      |   |           |   | -      |             |   |   | -                                                      |   |   |   | 0.1    |   |                            |   | 0.1 |   |   |   | 0.1 |   |
| Cash      dividend paid to parent company                                                                                                                                                                                                                                                 |   |         | -      |   |           |   | -      |             |   |   | (175.0                                                 | )      |   |   | -      |   |                            |   | (175.0 | ) |   |   | - |   |
| Balance      at April 30, 2007                                                                                                                                                                                                                                                            |   | $            | 1.6    |   |           | $      | 139.6  |             |   | $      | 332.8                                                  |   |   | $      | (1.6   | )      |                            | $      | 472.4 |   |   | $ | 48.1 |   |
|                                                                                                                                                                                                                                                                                      |   |         |   |   |           |   |   |             |   |   |                                                   |   |   |   |   |   |                            |   |   |   |   |   |   |   |
|                                                                                                                                                                                                                                                                                      |   |         |   |   |           |   |   |             |   |   |                                                   |   |   |   |   |   |                            |   |   |   |   |   |   |   |
| Balance      at October 31, 2007                                                                                                                                                                                                                                                          |   | $            | 1.6    |   |           | $      | 139.6  |             |   | $      | 127.1                                                  |   |   | $      | (0.2   | )      |                            | $      | 268.1 |   |   |   |   |   |
| 2008      Activity:                                                                                                                                                                                                                                                                       |   |         |   |   |           |   |   |             |   |   |                                                   |   |   |   |   |   |                            |   |   |   |   |   |   |   |
| Net      loss                                                                |   |         | -      |   |           |   | -      |             |   |   | (11.8                                                  | )      |   |   | -      |   |                            |   | (11.8 | ) |   | $ | (11.8 | ) |
| Pension      adjustment, (net of tax $0.2)                                                                                                                                                                                                                                                |   |         | -      |   |           |   | -      |             |   |   | -                                                      |   |   |   | 0.4    |   |                            |   | 0.4 |   |   |   | 0.4 |   |
| Impact      of adopting FIN      48                                          |   |         | -      |   |           |   | -      |             |   |   | (2.5                                                   | )      |   |   | -      |   |                            |   | (2.5 | ) |   |   | - |   |
| Cash      dividend paid to parent company                                                                                                                                                                                                                                                 |   |         | -      |   |           |   | -      |             |   |   | (14.8                                                  | )      |   |   | -      |   |                            |   | (14.8 | ) |   |   | - |   |
| Balance      at April 30, 2008                                                                                                                                                                                                                                                            |   | $            | 1.6    |   |           | $      | 139.6  |             |   | $      | 98.0                                                   |   |   | $      | 0.2    |   |                            | $      | 239.4 |   |   | $ | (11.4 | ) |

----

|  Millions      of dollars                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |   | As      of April 30,2008 |       |   | As      of October 31, 2007 |   |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------------------------|------------|--------|-----------------------------|--------|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |   | (Unaudited)              |       |   |                        |   |
| ASSETS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |   |                     |       |   |                        |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |   |                     |       |   |                        |   |
| Cash      and cash      equivalents                                                                                                     |   | $                        |  26.1 |   |                        | $      |  10.6 |   |
| Finance      receivables, net of unearned income:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |   |                     |       |   |                        |   |   |   |
| Finance      receivables                                                                                                                                                   |   |                     | 3,402.9    |   |                        |   | 3,544.5 |   |
| Finance      receivables from      affiliates                                                                                                                              |   |                     | 176.5      |   |                        |   | 212.1 |   |
| Allowance      for      losses                                                                                                                                             |   |                     | (23.3      | )      |                        |   | (23.9 | ) |
| Finance      receivables,      net                                                                                                      |   |                     | 3,556.1    |   |                        |   | 3,732.7 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |   |                     |       |   |                        |   |   |   |
| Amounts      due from sales of      receivables                                                                                         |   |                     | 240.1      |   |                        |   | 319.1 |   |
| Net      accounts due from      affiliates                                                                                              |   |                     | 46.3       |   |                        |   | 60.1 |   |
| Net      investment in operating      leases                                                                                            |   |                     | 68.3       |   |                        |   | 78.3 |   |
| Vehicle      inventory                                                                                                                  |   |                     | 46.7       |   |                        |   | 23.2 |   |
| Restricted      cash and cash      equivalents                                                                                          |   |                     | 691.2      |   |                        |   | 370.5 |   |
| Unsecured      loans to      affiliates                                                                                                 |   |                     | -          |   |                        |   | 60.0 |   |
| Other      assets                                                                                                                       |   |                     | 117.3      |   |                        |   | 81.7 |   |
| Total      assets                                                                                                                                                               |   | $                        | 4,792.1    |   |                        | $      | 4,736.2 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |   |                     |       |   |                        |   |   |   |
| LIABILITIES      AND SHAREOWNER’S EQUITY                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |                     |       |   |                        |   |   |   |
| Senior      and secured      borrowings                                                                                                 |   | $                        | 4,352.7    |   |                        | $      | 4,269.1 |   |
| Other      liabilities                                                                                                                  |   |                     | 200.0      |   |                        |   | 199.0 |   |
| Total      liabilities                                                                                                                                                          |   |                     | 4,552.7    |   |                        |   | 4,468.1 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |   |                     |       |   |                        |   |   |   |
| Shareowner’s      equity                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |   |                     |       |   |                        |   |   |   |
| Capital      stock (par value $1, 2,000,000 shares authorized, 1,600,000 shares issued      and outstanding)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |   |                     | 1.6        |   |                        |   | 1.6 |   |
| Paid-in      capital                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |   |                     | 139.6      |   |                        |   | 139.6 |   |
| Retained      earnings                                                                                                                  |   |                     | 98.0       |   |                        |   | 127.1 |   |
| Accumulated      other comprehensive income (loss), net of tax                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |   |                     | 0.2        |   |                        |   | (0.2 | ) |
| Total      shareowner’s      equity                                                                                               |   |                     | 239.4      |   |                        |   | 268.1 |   |
| Total      liabilities and shareowner’s      equity                                                                                                                       |   | $                        | 4,792.1    |   |                        | $      | 4,736.2 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |   |                     |       |   |                        |   |   |   |

----

|  Millions      of dollars                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |   | For      the Six Months EndedApril      30 |   |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------------------------------------------|--------|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |   | 2008                                       |   |   | 2007 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |   |                                       |   |   |   |   |
| Cash      flow from operating activities:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |   |                                       |   |   |   |   |
| Net      income      (loss)                                                                                                                                             |   | $                                          | (11.8  | ) |   | $ | 48.0 |   |
| Adjustments      to reconcile net income to cash flow from operations:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |   |                                       |   |   |   |   |   |   |
| Net      loss on sales of finance      receivables                                                                                                                                                    |   |                                       | 6.7    |   |   |   | 4.8 |   |
| Net      loss on sale of      equipment                                                                                                                                                               |   |                                       | 1.6    |   |   |   | 0.7 |   |
| Depreciation      and      amortization                                                                                                                                                               |   |                                       | 12.1   |   |   |   | 12.6 |   |
| Provision      for credit      losses                                                                                                                                                                 |   |                                       | 10.6   |   |   |   | 4.7 |   |
| Net      change in amounts due from sales of receivables                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |   |                                       | 79.0   |   |   |   | 354.1 |   |
| Net      change in finance receivables - wholesale notes                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |   |                                       | (187.2 | ) |   |   | 14.9 |   |
| Net      change in finance receivables from affiliates - wholesale                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |   |                                       | (3.2   | ) |   |   | 29.9 |   |
| Net      change in net accounts due from      affiliates                                                                                                                                              |   |                                       | 13.8   |   |   |   | (17.6 | ) |
| Net      change in other assets and      liabilities                                                                                                                                                  |   |                                       | (36.9  | ) |   |   | 13.7 |   |
| Net      cash (used in) provided by operating activities                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |   |                                       | (115.3 | ) |   |   | 465.8 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |   |                                       |   |   |   |   |   |   |
| Cash      flow from investing activities:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |   |                                       |   |   |   |   |   |   |
| Originations      of retail notes and finance leases, includes affiliates                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |   |                                       | (406.9 | ) |   |   | (647.5 | ) |
| Net      change in restricted cash and cash equivalents                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |   |                                       | (320.7 | ) |   |   | 171.0 |   |
| Collections      on retail notes and finance lease receivables,net      of change in unearned finance income, includes affiliates                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |   |                                       | 668.9  |   |   |   | 643.4 |   |
| Net      change in finance receivables from affiliates - accounts                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |   |                                       | 5.1    |   |   |   | (9.6 | ) |
| Net      change in finance receivables -      accounts                                                                                                                  |   |                                       | 26.0   |   |   |   | (134.3 | ) |
| Proceeds      from sale of vehicle      inventory                                                                                                                       |   |                                       | 31.5   |   |   |   | 3.5 |   |
| Purchase      of equipment leased to      others                                                                                                                        |   |                                       | (9.6   | ) |   |   | (12.6 | ) |
| Proceeds      from sale of      equipment                                                                                                                               |   |                                       | 11.1   |   |   |   | 9.6 |   |
| Loans      to      affiliates                                                                                                                                           |   |                                       | (10.0  | ) |   |   | (50.0 | ) |
| Loan      repayment from      affiliates                                                                                                                                |   |                                       | 70.0   |   |   |   | 50.0 |   |
| Net      cash provided by investing activities                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |   |                                       | 65.4   |   |   |   | 23.5 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |   |                                       |   |   |   |   |   |   |
| Cash      flow from financing activities:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |   |                                       |   |   |   |   |   |   |
| Net      change in bank credit facility, net of issuance costs                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |   |                                       | 251.0  |   |   |   | (339.0 | ) |
| Proceeds      from issuance of senior debt, net of issuance costs                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |   |                                       | -      |   |   |   | 217.2 |   |
| Principal      payments on senior      debt                                                                                                                             |   |                                       | (3.1   | ) |   |   | (2.0 | ) |
| Proceeds      from issuance of secured borrowings, net of issuance costs                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |   |                                       | 811.3  |   |   |   | 825.4 |   |
| Payments      on secured      borrowings                                                                                                                                |   |                                       | (979.0 | ) |   |   | (1,016.7 | ) |
| Dividends      paid to parent      company                                                                                                                              |   |                                       | (14.8  | ) |   |   | (175.0 | ) |
| Net      cash provided by (used in) financing activities                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |   |                                       | 65.4   |   |   |   | (490.1 | ) |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |   |                                       |   |   |   |   |   |   |
| Change      in cash and cash      equivalents                                                                                                  |   |                                       | 15.5   |   |   |   | (0.8 | ) |
| Cash      and cash equivalents, beginning of      year                                                                                         |   |                                       | 10.6   |   |   |   | 25.6 |   |
| Cash      and cash equivalents, end of      period                                                                                             |   | $                                          | 26.1   |   |   | $ | 24.8 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |   |                                       |   |   |   |   |   |   |
| Supplemental      cash flow information:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |   |                                       |   |   |   |   |   |   |
| Interest      paid                                                                                                                                                      |   | $                                          | 113.8  |   |   | $ | 118.0 |   |
| Income      taxes paid, net of      refunds                                                                                                                             |   |                                       | 54.7   |   |   |   | 8.0 |   |
| Transfers      of loans and leases to vehicle      inventory                                                                                                            |   |                                       | 56.6   |   |   |   | 22.1 |   |

----

----

----

----

|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |   | April      30,2008 |   |   | October      31,2007 |   |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------------------|--------|--------|----------------------|--------|
| Finance      receivables from affiliates (Dealcor retail)                                                                                                                                                                                                                                                                                                                                                                                                                                              |   | $                  | 144.0  |   |                 | $      | 177.7 |   |
| Finance      receivables from affiliates (Dealcor wholesale)                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |               | 32.5   |   |                 |   | 34.4 |   |
| Net      accounts due from      affiliates                                                                           |   |               | 46.3   |   |                 |   | 60.1 |   |

|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |   | April      30,2008 |    |   | October      31, 2007 |   |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------------------|---------|--------|-----------------------|--------|
| Retail      notes, net of unearned      income                                                                                                   |   | $                  | 2,735.2 |   |                  | $      | 3,012.3 |   |
| Finance      leases, net of unearned      income                                                                                                 |   |               | 131.5   |   |                  |   | 157.2 |   |
| Wholesale      notes held for      sale                                                                                                          |   |               | 292.8   |   |                  |   | 105.6 |   |
| Accounts      (includes retail and      wholesale)                                                                                               |   |               | 243.4   |   |                  |   | 269.4 |   |
| Finance      receivables from affiliates, net of unearned income                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |   |               | 176.5   |   |                  |   | 212.1 |   |
| Total      finance      receivables                                                                                                              |   |               | 3,579.4 |   |                  |   | 3,756.6 |   |
| Allowance      for      losses                                                                                                                   |   |               | (23.3   | )      |                  |   | (23.9 | ) |
| Total      finance receivables,      net                                                                                                         |   | $                  | 3,556.1 |   |                  | $      | 3,732.7 |   |

|                                                                                                                                                                                                                                                                                                                                                          |   | Three      MonthsEndedApril      30,2008 |   |   | Three      MonthsEndedApril      30,2007 |   |   | Six      MonthsEndedApril      30,2008 |   |   | Six      MonthsEndedApril      30,2007 |   |   | Year      EndedOctober      31,2007 |   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|------------------------------------------|--------|--------|------------------------------------------|--------|--------|----------------------------------------|--------|--------|----------------------------------------|--------|--------|-------------------------------------|--------|
| Allowance      for losses, beginning of period                                                                                                                                                                                                                                                                                                                |   | $                                        | 24.6   |   |                                     | $      | 15.7   |                                   |   | $      | 23.9                                   |   |   | $                                   | 15.3   |   |   | $ | 15.3 |   |
| Provision      for credit      losses                                                     |   |                                     | 6.0    |   |                                     |   | 4.1    |                                   |   |   | 10.6                                   |   |   |                                | 4.7    |   |   |   | 19.6 |   |
| Charge-offs      charged to allowance                                                                                                                                                                                                                                                                                                                         |   |                                     | (7.3   | )      |                                     |   | (4.3   | )                                      |   |   | (11.2                                  | )      |   |                                | (4.5   | ) |   |   | (11.0 | ) |
| Allowance      for losses, end of period                                                                                                                                                                                                                                                                                                                      |   | $                                        | 23.3   |   |                                     | $      | 15.5   |                                   |   | $      | 23.3                                   |   |   | $                                   | 15.5   |   |   | $ | 23.9 |   |

----

|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |   | April      30,2008 |   |   | October      31, 2007 |   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------------------|--------|--------|-----------------------|--------|
| Impaired      receivables with specific loss      reserves                                                                                             |   | $                  | 26.5   |   |                  | $      | 28.3 |   |
| Impaired      receivables without specific loss      reserves                                                                                          |   |               | 5.5    |   |                  |   | 0.9 |   |
| Impaired      receivables guaranteed by Navistar,      Inc.                                                                                            |   |               | 8.6    |   |                  |   | 8.9 |   |
| Total      impaired      receivables                                                                                                                   |   | $                  | 40.6   |   |                  | $      | 38.1 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |   |               |   |   |                  |   |   |   |
| Specific      loss reserves on impaired      receivables                                                                                               |   | $                  | 3.0    |   |                  | $      | 3.1 |   |
| Average      balance of impaired finance      receivables                                                                                              |   |               | 40.5   |   |                  |   | 27.5 |   |
| Balances      with payment past due over 90      days                                                                                                  |   |               | 4.1    |   |                  |   | 3.0 |   |

|                                                                                                                                                                                                                                                                                                                                                                                                                                                   |   | Six      MonthsEndedApril      30,2008 |   |   | Six      MonthsEndedApril      30,2007 |   |   | Year      Ended October      31, 2007 |   |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|----------------------------------------|--------|--------|----------------------------------------|--------|--------|---------------------------------------|--------|
| Vehicle      inventory, beginning of period                                                                                                                                                                                                                                                                                                                                                                                                            |   | $                                      | 23.2   |   |                                   | $      | 5.2    |                                  |   | $ | 5.2 |   |
| Net      additions                                                                                                                                                                                                                                                                                                                                                                                                                                     |   |                                   | 56.6   |   |                                   |   | 22.1   |                                  |   |   | 49.6 |   |
| Net      book value of repossessed assets sold                                                                                                                                                                                                                                                                                                                                                                                                         |   |                                   | (33.1  | )      |                                   |   | (12.3  | )                                     |   |   | (31.6 | ) |
| Vehicle      inventory, end of      period                                                                   |   | $                                      | 46.7   |   |                                   | $      | 15.0   |                                  |   | $ | 23.2 |   |

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|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |   | April      30,2008 |   |   | October      31,2007 |   |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------------------|--------|--------|----------------------|--------|
| Investment      in operating      leases                                                                                             |   | $                  | 110.7  |   |                 | $      | 124.2 |   |
| Less:      Accumulated      depreciation                                                                                             |   |               | (43.0  | )      |                 |   | (46.3 | ) |
|          Net      investment in equipment under operating leases                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |   |               | 67.7   |   |                 |   | 77.9 |   |
| Rent      receivable net of reserve for past due operating leases                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |   |               | 0.6    |   |                 |   | 0.4 |   |
| Net      investment in operating      leases                                                                                         |   | $                  | 68.3   |   |                 | $      | 78.3 |   |

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|                                                                                                                                                      |   |               |    |   |                 |   |    | Weighted      AverageInterest      Rate |   |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------------------|---------|--------|----------------------|--------|---------|-----------------------------------------|--------|
|                                                                                                                                                      |   | April      30,2008 |    |   | October      31,2007 |   |    | April      30,2008                      |   |   | October      31,2007 |   |
| Bank      credit facility at variable rates due July 2010                                                                                                 |   | $                  | 1,276.8 |   |                 | $      | 1,028.9 |                                    |   |   | 5.7 | % |   |   | 6.8 | % |
| Revolving      retail warehouse facility at variable rates, due June 2010                                                                                 |   |               | 500.0   |   |                 |   | 500.0   |                                    |   |   | 3.0 | % |   |   | 5.4 | % |
| Borrowings      secured by asset-backed securities at various      rates,   currently between 2.5% to 5.7%, due serially      through 2015 |   |               | 2,442.6 |   |                 |   | 2,607.7 |                                    |   |   | 4.4 | % |   |   | 4.8 | % |
| Borrowings      secured by operating and finance leases due serially through June 2011 at      rates, currently between 3.4% to 6.6%                      |   |               | 133.3   |   |                 |   | 132.5   |                                    |   |   | 4.9 | % |   |   | 5.2 | % |
| Total      senior and secured borrowings                                                                                                                  |   | $                  | 4,352.7 |   |                 | $      | 4,269.1 |                                    |   |   | 4.6 | % |   |   | 5.4 | % |

|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |   | Three Months endedApril 30 |   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|----------------------------|--------|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |   | Pension Benefits           |   |   | Other Benefits |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |   |  2008                 |   |   | 2007 |   |   | 2008 |   |   | 2007 |   |
| Service      cost for benefits earned during the period                                                                                                                                                                                                                                                                                                                                                                                                                                     |   | $                          | 0.1    |   |   | $ | 0.1 |   |   | $ | - |   |   | $ | - |   |
| Interest      on      obligation                                                                                    |   |                       | 1.0    |   |   |   | 0.9 |   |   |   | 0.3 |   |   |   | 0.4 |   |
| Amortization      of cumulative      losses                                                                         |   |                       | -      |   |   |   | 0.2 |   |   |   | - |   |   |   | - |   |
| Less      expected return on      assets                                                                            |   |                       | (1.5   | ) |   |   | (1.3 | ) |   |   | (0.2 | ) |   |   | (0.2 | ) |
|       Net      postretirement benefits expense (income)                                                                                                                                                                                                                                                                                                                                                                                                       |   | $                          | (0.4   | ) |   | $ | (0.1 | ) |   | $ | 0.1 |   |   | $ | 0.2 |   |

|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |   | Six Months endedApril 30 |   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------------------------|--------|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |   | Pension Benefits         |   |   | Other Benefits |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |   |  2008               |   |   | 2007 |   |   | 2008 |   |   | 2007 |   |
| Service      cost for benefits earned during the period                                                                                                                                                                                                                                                                                                                                                                                                                                     |   | $                        | 0.2    |   |   | $ | 0.2 |   |   | $ | - |   |   | $ | - |   |
| Interest      on      obligation                                                                                    |   |                     | 2.0    |   |   |   | 1.9 |   |   |   | 0.6 |   |   |   | 0.7 |   |
| Amortization      of cumulative      losses                                                                         |   |                     | 0.6    |   |   |   | 0.2 |   |   |   | - |   |   |   | - |   |
| Less      expected return on      assets                                                                            |   |                     | (3.0   | ) |   |   | (2.6 | ) |   |   | (0.4 | ) |   |   | (0.4 | ) |
|       Net      postretirement benefits expense (income)                                                                                                                                                                                                                                                                                                                                                                                                       |   | $                        | (0.2   | ) |   | $ | (0.3 | ) |   | $ | 0.2 |   |   | $ | 0.3 |   |

----

----

|                                                  |  Maturity     |   | April      30,2008 |    |   | October      31,2007 |   |
|-------------------------------------------------------|--------------------|--------|--------------------|---------|--------|----------------------|--------|
| Investor      certificate                             | July      2008     |   | $                  | 200.0   |   |                 | $      | 200.0 |   |
| Investor      certificate                             | February      2010 |   |               | 212.0   |   |                 |   | 212.0 |   |
| Variable      funding certificate (“VFC”) | November      2008 |   |               | 800.0   |   |                 |   | 800.0 |   |
|            Total             |                    |   | $                  | 1,212.0 |   |                 | $      | 1,212.0 |   |

|                                                   |  Maturity   |   | April      30,2008 |   |   | October      31,2007 |   |
|--------------------------------------------------------|------------------|--------|--------------------|--------|--------|----------------------|--------|
| Conduit      funding facility                          | August      2008 |   | $                  | 100.0  |   |                 | $      | 100.0 |   |
| Funding      utilized                                  |             |   |               | (43.0  | )      |                 |   | (60.3 | ) |
|            Total availability |             |   | $                  | 57.0   |   |                 | $      | 39.7 |   |

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|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |   | April      30,2008 |   |   | October      31,2007 |   |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------------------|--------|--------|----------------------|--------|
| Excess      seller’s      interest                                                                                                                                             |   | $                  | 222.1  |   |                 | $      | 296.1 |   |
| Interest      only      strip                                                                                                                                                        |   |               | 8.1    |   |                 |   | 11.3 |   |
| Restricted      cash      reserves                                                                                                                                                   |   |               | 9.9    |   |                 |   | 11.7 |   |
|            Total amounts due from sales of      receivables                                                                                                 |   | $                  | 240.1  |   |                 | $      | 319.1 |   |

|                                                                                                                                                                                                                                                                                                                                                                                                                                    | April      30,2008                                              | October      31,2007                                                  |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------|-----------------------------------------------------------------------|
| Discount      rate      (annual)                                                                   | 10.5  to      16.5  %                       | 10.3  to      18.8  %                             |
| Estimated      credit      losses                                                                  |       0      to 0.18  % |        0      to 0.18  % |
| Payment      speed (percent of portfolio per month)                                                                                                                                                                                                                                                                                                                                                                                     | 10.0  to  75.0      %                       |         9.9  to  69.2%                  |

| April      30, 2008                                        |   | Retail      Notes |    |   | Finance      Leases |   |   | Wholesale      Notes |   |   | Accounts |   |   | Affiliates |   |   | Total  |   |
|------------------------------------------------------------|--------|-------------------|---------|--------|---------------------|--------|--------|----------------------|--------|--------|----------|--------|--------|------------|--------|--------|--------|--------|
| Serviced      portfolio                                    |   | $                 | 2,735.2 |   |                | $      | 131.5  |                 |   | $      | 1,113.0  |   |   | $          | 354.3  |   |   | $      | 312.1 |   |   | $ | 4,646.1 |   |
| Less      sold receivables – off-balance      sheet  |   |              | -       |   |                |   | -      |                 |   |   | (820.2   | )      |   |       | (110.9 | )      |   |   | (135.6 | ) |   |   | (1,066.7 | ) |
|            Total on-balance sheet |   | $                 | 2,735.2 |   |                | $      | 131.5  |                 |   | $      | 292.8    |   |   | $          | 243.4  |   |   | $      | 176.5 |   |   | $ | 3,579.4 |   |

| October  31,      2007                                                                                                                                                                                        |   | Retail      Notes |    |   | Finance      Leases |   |   | Wholesale      Notes |   |   | Accounts |   |   | Affiliates |   |   | Total  |   |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|-------------------|---------|--------|---------------------|--------|--------|----------------------|--------|--------|----------|--------|--------|------------|--------|--------|--------|--------|
| Serviced      portfolio                                 |   | $                 | 3,012.3 |   |                | $      | 157.2  |                 |   | $      | 1,024.6  |   |   | $          | 424.2  |   |   | $      | 383.5 |   |   | $ | 5,001.8 |   |
| Less      sold receivables – off-balance      sheet                                                                                                                                                               |   |              | -       |   |                |   | -      |                 |   |   | (919.0   | )      |   |       | (154.8 | )      |   |   | (171.4 | ) |   |   | (1,245.2 | ) |
|           Total on-balance sheet                                                                                                                                                                    |   | $                 | 3,012.3 |   |                | $      | 157.2  |                 |   | $      | 105.6    |   |   | $          | 269.4  |   |   | $      | 212.1 |   |   | $ | 3,756.6 |   |

----

|                                                                                                                                                                                                                                                                                                     |   | Three      Months Ended April      30, 2008 |   |   | Three      Months EndedApril      30,2007 |   |   | Six      Months EndedApril      30,2008 |   |   | Six      Months EndedApril      30,2007 |   |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------------------------------------------------|--------|--------|-------------------------------------------|--------|--------|-----------------------------------------|--------|--------|-----------------------------------------|--------|
|                                                                                                                                                                                                                                                                                                     |   |                                             |   |   |                                      |   |   |                                    |   |   |                                    |   |
| Fair      value      adjustments                                             |   | $                                                | 2.0    |   |                                      | $      | (0.9   | )                                       |   | $      | 5.1                                     |   |   | $ | 5.6 |   |
| Excess      spread      income                                               |   |                                             | 6.2    |   |                                      |   | 11.7   |                                    |   |   | 10.9                                    |   |   |   | 30.6 |   |
| Servicing      fees      revenue                                             |   |                                             | 2.7    |   |                                      |   | 3.7    |                                    |   |   | 5.8                                     |   |   |   | 7.7 |   |
| Losses      on sales of receivables                                                                                                                                                                                                                                                                      |   |                                             | (3.8   | )      |                                      |   | (1.9   | )                                       |   |   | (6.7                                    | )      |   |   | (4.8 | ) |
| Investment      income                                                       |   |                                             | 1.0    |   |                                      |   | 1.7    |                                    |   |   | 2.9                                     |   |   |   | 3.6 |   |
| Securitization      income                                                                                                                                                                                                                                                                               |   | $                                                | 8.1    |   |                                      | $      | 14.3   |                                    |   | $      | 18.0                                    |   |   | $ | 42.7 |   |

----

----

----

----

----

|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |   | April      30,2008 |   |   | October      31,2007 |   |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------------------|--------|--------|----------------------|--------|
| Revolver      bank      loan                                                                                                  |   | $                  | 800.0  |   |                 | $      | 800.0 |   |
| NFC      revolving loan      utilized                                                                                         |   |               | (670.0 | )      |                 |   | (419.0 | ) |
| Mexican      sub-revolver loan      utilized                                                                                  |   |               | -      |   |                 |   | (100.0 | ) |
| Total      availability                                                                                                                                |   | $                  | 130.0  |   |                 | $      | 281.0 |   |

----

|                                                                                                                                                                                                                                                                                                                                                                                                 |  Fitch | Standardand      Poor’s |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------|-------------------------------|
| Senior      unsecured debt                                                                                                                                                                                                                                                                                                                                                                           | BB-         | BB-                           |
|                                                                                                                                                                                                                                                                                                                                                                                                 |        |                          |
| Outlook      as of February 2008                                                                                                                                                                                                                                                                                                                                                                     | Negative    | Negative                      |
|                                                                                                                                                                                                                                                                                                                                                                                                 |        |                          |
| In      July 2006, Moody’s withdrew its credit rating for both NIC and      NFC.  In January 2006, Standard and Poor’s changed its outlook      to Negative from Stable. During February and May 2008, Standard and Poor’s      and Fitch, respectively, removed both NIC and NFC from the credit watch      with negative implications while outlook remains  Negative. |

----

| ·   | Our      leadership team remains committed to achieving and maintaining a strong      control environment, high ethical standards and financial reporting      integrity. This commitment continues to be communicated to and reinforced      with our employees. |
|--------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | We      continue to foster awareness and understanding of standards and principles      for accounting and financial reporting. This includes the implementation      and clarification of specific accounting policies and procedures and      effective execution of our newly designed accounting training      program. |
|--------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | We      continue to enhance the development, communication, and monitoring of      processes and controls to ensure that appropriate journal entry controls      are performed, documented, and reviewed as part of our standardized      procedures. |
|--------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | We      continue to invest in modifications of our information systems to improve      the reliability of our financial reporting and increase the completeness      and consistency of the controls around logical access and program      change. |
|--------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | We      continue to support our internal Management Representation Letter process      to ensure the timely assessment of accounting and disclosure matters      requiring our attention and to support our notification of matters to      NIC. |
|--------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

----

----

|                     | Navistar Financial      Corporation |
|--------------------------|-------------------------------------|
|                     |                                | (Registrant) |
|                     |                                |   |
| Date:      June 27, 2008 | By:  /s/                  | DAVID L.      DERFELT |
|                     |                                | David      L. Derfelt |
|                     |                                | V.P.,      and Controller |
|                     |                                | (Principal      Accounting  Officer) |

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| 3 3.1  3.2 3.3                                                           | Articles      of Incorporation and By-Laws (incorporated by reference): Restated      Certificate of Incorporation of Navistar Financial Corporation (as amended      and in effect on December 15, 1987).  Filed on Form 8-K dated      December 17, 1987.  Commission File      No.  001-04146. The      By-Laws of Navistar Financial Corporation (as amended February 29,      1988).  Filed on Form 10-K dated January 19,      1989.  Commission File No.  001-04146. Amendment      to the By-Laws of Navistar Financial Corporation.  Filed as      Exhibit 3.1 on Form 10-K dated December 18, 2003.  Commission      File No.  001-04146.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|----------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 10 10.1  10.3  10.4  10.5  10.6  10.7 | Material      Contracts (incorporated by reference): Note      Purchase Agreement, dated as of April 25, 2008, among the Seller, Navistar      Financial Corporation, individually and as servicer, JPMorgan Chase Bank,      N.A., as agent for the investors, and JS Siloed Trust, as the conduit      investor.  Filed as Exhibit 10.1 to the Corporation’s Form 8-K      on May 1, 2008.   Commission File No.001-04146 Pooling      Agreement dated as of April 25, 2008, between Navistar Financial Retail      Receivables Corporation, as seller, and Navistar Financial 2008-A Owner      Trust, as issuer.  Filed as Exhibit 10.2 to the Corporation’s      Form 8-K on May 1, 2008.   Commission File No.      001-04146. Indenture,      dated as of April 25, 2008, between Navistar Financial 2008-A Owner Trust,      as issuer, and The Bank of New York, as indenture      trustee.  Filed as Exhibit 10.3 to the Corporation’s Form 8-K on      May 1, 2008.   Commission File No. 001-04146. Trust      Agreement, dated as of April 25, 2008, between Navistar Financial Retail      Receivables Corporation, as seller, and Deutsche Bank Trust Company      Delaware, as owner trustee.  Filed as Exhibit 10.4 to the      Corporation’s Form 8-K on May 1, 2008.   Commission File      No. 001-04146. Purchase      Agreement, dated as of April 25, 2008, between Navistar Financial Retail      Receivables Corporation and Navistar Financial      Corporation.  Filed as Exhibit 10.5 to the Corporation’s Form      8-K on May 1, 2008.   Commission File No.      001-04146. Servicing      Agreement, dated April 25, 2008, among Navistar Financial Retail      Receivables Corporation, The Bank of New York, as indenture trustee,      Navistar Financial 2008-A Owner Trust, as issuer, and Navistar Financial      Corporation, as servicer.  Filed as Exhibit 10.6 to the      Corporation’s Form 8-K on May 1, 2008.   Commission File      No. 001-04146.  |
| 31                                                                                           | Rule      13a-14(a) and 15d-14(a) Certifications: 31.1 Certification      of Principal Executive Officer 31.2 Certification      of Principal Financial  Officer                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| 32                                                                                           | Section      1350 Certification: CEO      and CFO Certification Pursuant to of Chapter 1350 of Chapter 63 of Title      18 of the United States Code                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |

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