SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934
(Amendment No. 3)*

Navistar International Corporation
(Name of Issuer)

Common Stock, Par Value $0.10
(Title of Class of Securities)

63934E108
(CUSIP Number)

Keith Schaitkin, Esq.
Icahn Capital LP
767 Fifth Avenue, 47th Floor
New York, New York 10153
(212) 702-4300
(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)

December 6, 2011
(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report
the acquisition that is the subject of this Schedule 13D, and is filing this
schedule because of Section 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check
the following box / /.

NOTE: Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See Rule 13d-7 for other parties
to whom copies are to be sent.

*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
disclosures provided in a prior cover page.

The information required on 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).

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SCHEDULE 13D

Item 1. Security and Issuer

This statement constitutes Amendment Number 3 to the Schedule 13D relating
to the Common Stock, par value $0.10 (the "Shares"), issued by Navistar
International Corporation (the "Issuer"), and hereby amends the Schedule 13D
filed with the Securities and Exchange Commission (the "SEC") on September 13,
2011, as amended by the Amendment Number 1 to Schedule 13D, filed with the SEC,
on November 2, 2011, and by the Amendment Number 2 to Schedule 13D, filed with
the SEC, on November 15, 2011 (together, the "Schedule 13D"), on behalf of the
Reporting Persons (as defined in the Schedule 13D), to furnish the additional
information set forth herein. All capitalized terms contained herein but not
otherwise defined shall have the meanings ascribed to such terms in the Schedule
13D.

Item 4. Purpose of Transaction

Item 4 of the Schedule 13D is hereby amended by the addition of the
following:

Mr. Icahn stated during a telephone interview on CNBC on December 6, 2011,
in response to a question regarding the fact that he owns stock of both the
Issuer and Oshkosh Corporation, that the Reporting Persons believe there may be
significant synergies between the Issuer and Oshkosh Corporation and that
shareholders of both companies could benefit from these synergies and that the
Reporting Persons would be supportive of a merger.

<PAGE>
SIGNATURE

After reasonable inquiry and to the best of each of the undersigned
knowledge and belief, each of the undersigned certifies that the information set
forth in this statement is true, complete and correct.

Dated: December 7, 2011

ICAHN PARTNERS MASTER FUND LP
ICAHN PARTNERS MASTER FUND II

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