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): June 25, 2008

NAVISTAR INTERNATIONAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	1-9618	36-3359573
(State or other jurisdiction of incorporation or organization)	(Commission File No.)	(I.R.S. Employer Identification No.)

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

Registrant’s telephone number, including area code (630) 753-5000

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act

PAGE 2

ITEM 7.01 REGULATION FD DISCLOSURE

In accordance with General Instruction B.2. to Form 8-K, the following information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Navistar International Corporation (the company), the nation’s largest combined commercial truck, school bus and mid-range diesel engine producer, will present via live web cast its fiscal 2008 first and second quarter financial results on Monday, June 30^th. A live web cast is scheduled at approximately 11:00AM EDT. Speakers on the web cast will include Daniel C. Ustian, Chairman, President and Chief Executive Officer, Terry Endsley, Executive Vice President and Chief Financial Officer, and other company leaders.

The web cast can be accessed through a link on the investor relations page of Navistar’s web site at http://ir.navistar.com/events.cfm. Investors are advised to log on to the website at least 15 minutes prior to the start of the web cast to allow sufficient time for downloading any necessary software. The web cast will be available for replay at the same address approximately three hours following its conclusion, and will remain available for a period of 10 days.

Navistar International Corporation (Other OTC: NAVZ) is a holding company whose wholly owned subsidiaries produce International^® brand commercial and military trucks, MaxxForce™ brand diesel engines, IC brand school and commercial buses, and Workhorse brand chassis for motor homes and step vans. It also is a private-label designer and manufacturer of diesel engines for the pickup truck, van and SUV markets. The company also provides truck and diesel engine parts and service. Another affiliate offers financing services. Additional information is available at www.navistar.com.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	NAVISTAR INTERNATIONAL CORPORATION
	Registrant
Date: June 25, 2008	/s/ Terry M. Endsley
	Terry M. Endsley Executive Vice President and Chief Financial Officer