**UNITED      STATES**

**SECURITIES      AND EXCHANGE COMMISSION**

**Washington,      D.C. 20549**

**FORM      8-K/A**

**CURRENT      REPORT**

**Pursuant      to Section 13 or 15(d) of the Securities Exchange Act of      1934**

**Date      of Report (Date of earliest event reported): October 17,      2006**

**NAVISTAR      INTERNATIONAL CORPORATION**

| Delaware                                                                                    |   | 1-9618                               |   | 36-3359573                                                        |
|---------------------------------------------------------------------------------------------|--------|--------------------------------------|--------|-------------------------------------------------------------------|
| (State                or other jurisdiction ofincorporation                or organization) |   | (Commission                File No.) |   | (I.R.S.                EmployerIdentification                No.) |

| 4201                Winfield Road, P.O. Box 1488, Warrenville, Illinois |   | 60555                     |
|-------------------------------------------------------------------------|--------|---------------------------|
| (Address                of principal executive offices)                 |   | (Zip                Code) |

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**ITEM      **
**1.01**
**ENTRY      INTO A MATERIAL DEFINITIVE AGREEMENT**

| 1.   | In                lieu of the fiscal year 2006 annual grant to each director of 4,000                shares                of company common stock as part of the company’s overall director                compensation, each director is to be awarded a cash payment in the                amount                of $43,200; |
|----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 2.   | Suspended                the requirement that each director receive at least one-fourth of                their                annual retainer in the form of restricted stock during such period                in                which Regulation BTR applies. Accordingly, each director will receive                the                entire annual retainer of $60,000 in four equal quarterly cash payments; |
|----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 3.   | Suspended                for calendar year 2007 each director’s ability to elect to receive stock                in lieu of a cash payment in accordance with the Non-Employee Directors                Deferred Fee Plan filed as Exhibit 10.34 to the company’s Form 10-Q dated                and filed with the Securities and Exchange Commission (“SEC”) on March 11,                2002;                and |
|----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 4.   | Extended                the expiration date of an option to purchase 2,000 shares of company                common stock granted to Mr. John Correnti on December 18, 1996 in                connection with his service as a director of the company. This option                expiration date has been extended until 30 days after the company’s                blackout trading restriction                expires. |
|----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**ITEM      5.02**
**DEPARTURE      OF DIRECTORS OR PRINCIPAL OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT OF      PRINCIPAL OFFICERS**

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**ITEM      9.01 **
**FINANCIAL      STATEMENTS AND EXHIBITS**

|   | (d)    | Exhibits                   |   |                                          |   |   |
|--------|--------|----------------------------|--------|-----------------------------------------------|--------|--------|
|   |   |                       |   |                                          |   |   |
|   |   | Exhibit                No. |   | Description                                   |   | Page   |
|   |   |                       |   |                                          |   |   |
|   |   | 10.57                      |   | Annual                Incentive Plan Criteria |   | E-1    |
|   |   |                       |   |                                          |   |   |

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| NAVISTAR                INTERNATIONAL CORPORATION |
|---------------------------------------------------|
| Registrant                                        |

| Date:                October 23, 2006 | /s/                William A. Caton                                                                               |
|---------------------------------------|-------------------------------------------------------------------------------------------------------------------|
|                                  | William                A. CatonExecutive                Vice President and Chief Financial                Officer |