UNITED STATES
                  SECURITIES AND EXCHANGE COMMISSION
                        Washington, D.C. 20549


                             SCHEDULE 13G

               Under the Securities Exchange Act of 1934


                          (Amendment No. 6)*


                    Navistar International Corporation
                             (Name of Issuer)

                               Common Stock
                      (Title of Class of Securities)

                                63934E108
                              (CUSIP Number)

                            December 29, 2006
         (Date of Event Which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:
[X] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[ ] Rule 13d-1(d)


*The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class
of securities, and for any subsequent amendment containing information
which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not
be deemed to be "filed" for the purpose of Section 18 of the Securities
Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of
that section of the Act but shall be subject to all other provisions of
the Act (however, see the Notes).



















CUSIP: 63934E108                                                Page 1 of 7


 1   NAMES OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
     Capital Group International, Inc.
     95-4154357

 2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE
     INSTRUCTIONS)                                                 (a)

                                                                    (b)
 3   SEC USE ONLY


 4   CITIZENSHIP OR PLACE OF ORGANIZATION

     California

             5   SOLE VOTING POWER

                  51,300


             6   SHARED VOTING POWER
 NUMBER OF
   SHARES         NONE
BENEFICIALL
 Y OWNED BY
             7   SOLE DISPOSITIVE POWER
    EACH
 REPORTING        65,500
   PERSON
   WITH:
             8   SHARED DISPOSITIVE POWER

                  NONE

 9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     65,500     Beneficial ownership disclaimed pursuant to Rule 13d-4



 10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS)


 11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     0.1%

 12  TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     HC







CUSIP: 63934E108                                                Page 2 of 7





 1   NAMES OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
     Capital International Limited

 2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE
     INSTRUCTIONS)                                                 (a)

                                                                    (b)
 3   SEC USE ONLY


 4   CITIZENSHIP OR PLACE OF ORGANIZATION

     United Kingdom

             5   SOLE VOTING POWER

                  35,200


             6   SHARED VOTING POWER
 NUMBER OF
   SHARES         NONE
BENEFICIALL
 Y OWNED BY
             7   SOLE DISPOSITIVE POWER
    EACH
 REPORTING        35,200
   PERSON
   WITH:
             8   SHARED DISPOSITIVE POWER

                  NONE

 9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     35,200     Beneficial ownership disclaimed pursuant to Rule 13d-4



 10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS)


 11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     0.1%

 12  TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     IA






CUSIP: 63934E108                                                Page 3 of 7




                  SECURITIES AND EXCHANGE COMMISSION
                         Washington, DC 20549

                             Schedule 13G
               Under the Securities Exchange Act of 1934


Amendment No. 6

Item 1(a)     Name of Issuer:
       Navistar International Corporation

Item 1(b)     Address of Issuer's Principal Executive Offices:
       4201 Winfield Road
       P.O. Box 1488
       Warrenville, IL 60555

Item 2(a)     Name of Person(s) Filing:
       Capital Group International, Inc. and Capital International
       Limited

Item 2(b)     Address of Principal Business Office or, if none,
       Residence:
       11100 Santa Monica Blvd.
       Los Angeles, CA  90025

Item 2(c)     Citizenship:   N/A

Item 2(d)     Title of Class of Securities:
       Common Stock

Item 2(e)     CUSIP Number:
       63934E108

Item 3     If this statement is filed pursuant to sections 240.13d-1(b)
       or 240.13d-2(b) or (c), check whether the person filing is a:
       (d)     [X]     Investment company registered under section 8
            of the Investment Company Act of 1940 (15 U.S.C. 80a-8).
       (g)     [X]     A parent holding company or control person in
            accordance with section 240.13d-1(b)(1)(ii)(G).

Item 4     Ownership

       Provide the following information regarding the aggregate
       number and percentage of the class of securities of the issuer
       identified in Item 1.

       See pages 2 and 3

       (a)    Amount beneficially owned:
       (b)    Percent of class:
       (c)    Number of shares as to which the person has:
       (i)    Sole power to vote or to direct the vote:
       (ii)   Shared power to vote or to direct the vote:
       (iii)  Sole power to dispose or to direct the disposition of:
       (iv)   Shared power to dispose or to direct the disposition of:


CUSIP: 63934E108                                                Page 4 of 7





       Capital Group International, Inc. ("CGII") is the parent
       holding company of a group of investment management companies
       that hold investment power and, in some cases, voting power
       over the securities reported in this Schedule 13G.  The
       investment management companies, which include a "bank" as
       defined in Section 3(a)(6) of the Securities Exchange Act of
       1934 (the "Act") and several investment advisers registered
       under Section 203 of the Investment Advisers Act of 1940,
       provide investment advisory and management services for their
       respective clients which include registered investment
       companies and institutional accounts.  CGII does not have
       investment power or voting power over any of the securities
       reported herein.  However, by virtue of Rule 13d-3 under the
       Act, CGII may be deemed to "beneficially own" 65,500 shares or
       0.1% of the 70,107,000 shares of  Common Stock believed to be
       outstanding.

       Capital International Limited is deemed to be the beneficial
       owner of 35,200 shares or 0.1% of the 70,107,000 shares of
       Common Stock believed to be outstanding as a result of its
       serving as the investment manager of various institutional
       accounts.

Item 5     Ownership of Five Percent or Less of a Class.  If this
       statement is being filed to report the fact that as of the date
       hereof the reporting person has ceased to be the beneficial
       owner of more than five percent of the class of securities,
       check the following: [X]

Item 6     Ownership of More than Five Percent on Behalf of Another
       Person: N/A

Item 7     Identification and Classification of the Subsidiary Which
       Acquired the Security Being Reported on By the Parent Holding
       Company or Control Person.

       1. Capital International Limited (CIL) does not fall within any
          of the categories described in Rule 13d-1(b)(ii)(A-F) but its
          holdings of any reported securities come within the five
          percent limitation as set forth in a December 15, 1986 no-
          action letter from the Staff of the Securities and Exchange
          Commission to The Capital Group Companies, Inc. CIL is a
          wholly owned subsidiary of Capital Group International, Inc.

       2. Capital International S.A. (CISA) does not fall within any of
          the categories described in Rule 13d-1(b)(ii)(A-F) but its
          holdings of any reported securities come within the five
          percent limitation as set forth in a December 15, 1986 no-
          action letter from the Staff of the Securities and Exchange
          Commission to The Capital Group Companies, Inc. CISA is a
          wholly owned subsidiary of Capital Group International, Inc.

       3. Capital International Research and Management, Inc. dba
          Capital International, Inc. is an investment adviser
          registered under Section 203 of the Investment Advisers Act
          of 1940 and is a wholly owned subsidiary of Capital Group
          International, Inc.


CUSIP: 63934E108                                                Page 5 of 7



Item 8     Identification and Classification of Members of the Group:
       N/A

Item 9     Notice of Dissolution of Group:  N/A

Item 10     Certification

       By signing below, I certify that, to the best of my knowledge
       and belief, the securities referred to above were acquired and
       are held in the ordinary course of business and were not
       acquired and are not held for the purpose of or with the effect
       of changing or influencing the control of the issuer of the
       securities and were not acquired and are not held in connection
       with or as a participant in any transaction having that purpose
       or effect.

     Signature

       After reasonable inquiry and to the best of my knowledge and
       belief, I certify that the information set forth in this
       statement is true, complete and correct.


        Date:          January 10, 2007

        Signature:     *David I. Fisher
        Name/Title:    David I. Fisher, Chairman
                       Capital Group International, Inc.

        Date:          January 10, 2007

        Signature:     *David I. Fisher
        Name/Title:    David I. Fisher, Vice Chairman
                       Capital International Limited



        *By    /s/ Michael J. Downer
               Michael J. Downer
               Attorney-in-fact

          Signed pursuant to a Power of Attorney dated September 5,
          2006 included as an Exhibit to Schedule 13G filed with the
          Securities and Exchange Commission by Capital Group
          International, Inc. on October 10, 2006 with respect to
          HanesBrands Inc.










CUSIP: 63934E108                                                Page 6 of 7


                               AGREEMENT

                            Los Angeles, CA
                           January 10, 2007

  Capital Group International, Inc. ("CGII") and Capital International
Limited ("CIL") hereby agree to file a joint statement on Schedule 13G
under the Securities Exchange Act of 1934 (the "Act") in connection
with their beneficial ownership of Common Stock issued by Navistar
International Corporation.

  CGII and CIL state that they are each entitled to individually use
Schedule 13G pursuant to Rule 13d-1(c) of the Act.

  CGII and CIL are each responsible for the timely filing of the
statement and any amendments thereto, and for the completeness and
accuracy of the information concerning each of them contained therein
but are not responsible for the completeness or accuracy of the
information concerning the others.



                 CAPITAL GROUP INTERNATIONAL, INC.

                 BY:              *David I. Fisher
                                  David I. Fisher, Chairman
                                   Capital Group International,
                                   Inc.


                 CAPITAL INTERNATIONAL LIMITED

                 BY:              *David I. Fisher
                                  David I. Fisher, Vice Chairman
                                   Capital International Limited


*By  /s/ Michael J. Downer
     Michael J. Downer
     Attorney-in-fact

     Signed pursuant to a Power of Attorney dated September 5, 2006
     included as an Exhibit to Schedule 13G filed with the Securities
     and Exchange Commission by Capital Group International, Inc. on
     October 10, 2006 with respect to HanesBrands Inc.
















CUSIP: 63934E108                                                Page 7 of 7