Navistar Introduces MaxxPower™ Line of Proprietary Components
Fully Integrated, Factory Installed Components Will Deliver Increased Value for Customers;
Battery Powered HVAC No-Idle Solution and Front Air Suspension are First Offerings

WARRENVILLE, ILL. (March 17, 2009) – Providing customers with a new level of quality and value, Navistar (NYSE: NAV) is launching a new global brand of proprietary components for its vehicle brands.

MaxxPower™ brand components will soon be available on International® brand trucks, IC Bus brand school and commercial buses and Workhorse chassis products.

“The launch of our new MaxxPower line of components creates a tremendous opportunity to provide the quality and value our customers are looking for,” said Jack Allen, president of Navistar’s North American Truck Group. “Delivering fully-integrated products and solutions designed from the outset for our vehicles will help deliver maximum performance and reliability.”

MaxxPower products are engineered and tested to meet the demands of a wide variety of vocations and applications to ensure maximum value for the customer. These products will be designed and engineered by and for Navistar as original equipment and factory-installed. Fully integrated and designed to work with Navistar truck and bus products, MaxxPower components will be backed by Navistar’s comprehensive distribution network with replacement parts and warranty through the International, IC Bus and Workhorse dealer networks.

MaxxPower products will include drive train and suspension components and options like auxiliary no-idle solutions. The first of an extensive line of MaxxPower offerings will be introduced to the public at the Mid-America Trucking Show this week. These offerings include the MaxxPower Front Air Suspension and MaxxPower Battery Powered HVAC No-Idle Solution, both available on the International ProStar® and LoneStar® tractors. Future products will be released throughout the year. For more information, go to

About Navistar
Navistar International Corporation (NYSE: NAV) is a holding company whose subsidiaries and affiliates produce International brand commercial and military trucks, MaxxForce® brand diesel engines, IC Bus 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

Media contact:   Steve Schrier, 630-753-2264
Investor contact:   Heather Kos, 630-753-2406
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