**UNITED        STATES**

**SECURITIES        AND EXCHANGE COMMISSION**

**Washington,        D.C. 20549**

**FORM        8-K**

**CURRENT        REPORT**

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

**Date        of Report (Date of earliest event reported): January 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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|   | (c)  | Exhibits                     |   |                                                  |   |   |
|--------|-----------|------------------------------|--------|-------------------------------------------------------|--------|--------|
|   |      |                         |   |                                                  |   |   |
|   |      | Exhibit                  No. |   | Description                                           |   | Page   |
|   |      |                         |   |                                                  |   |   |
|   |      | 99.1                         |   | Press                  Release dated January 17, 2006 |   | E-1    |

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*Information        provided and statements made that are not purely historical are forward -looking        statements within the meaning of Section 27A of the Securities Act, Section        21E        of the Exchange Act, and the Private Securities Litigation Reform Act of        1995.        Such forward-looking statements only speak as of the date of this report        and we        assume no obligation to update the information included in this report. Such        forward-looking statements include information concerning our possible or        assumed future results of operations, including descriptions of our business        strategy. These statements often include words such as “believe,” “expect,”“anticipate,” “intend,” “plan,” “estimate” or similar expressions. These        statements are not guarantees of performance or results and they involve        risks,        uncertainties and assumptions, including the risk of continued delay in the        completion of our financial statements.*
* *
*Although        we believe that these forward-looking statements are based on reasonable        assumptions, there are many factors that could affect our actual financial        results or results of operations and could cause actual results to differ        materially from those in the forward-looking statements. *
* *
*For        a        further description of these factors, see Exhibit 99.1 to our Form 10-K for        the        fiscal year ended October 31, 2004.*

| Date:                  January 17, 2006 | /s/Mark                  T. Schwetschenau                                                                                                  |
|-----------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------|
|                                    |                                                                                                                                            |
|                                    | Mark                  T. SchwetschenauSenior                  Vice President and Controller(Principal                  Accounting Officer) |