Navistar Hits Milestone with 100,000th EPA 2010 MaxxForce Engine
Customer-Friendly Engine Technology Delivers Performance and Fuel Efficiency

LISLE, Ill. – MARCH 21, 2012 — Navistar announced at the Mid-America Trucking Show, that as of January, more than 100,000 2010 EPA compliant MaxxForce® diesel engines have been built, making it one of the most quickly adopted engines in the industry.

“Customer demand and feedback for MaxxForce continues to be high because they provide the efficiency and technology modern fleets need to succeed,” said Jim Hebe, Navistar’s senior vice president of Northern American sales operations. “MaxxForce engines are conceptualized and built without compromise and provide performance, durability, and efficiency proven for over 75 years.”

MaxxForce engines by Navistar provide a full range of power options enabling fleets to pair strength with efficiency to conquer some of the most demanding applications, with an emissions technology that is the most advanced in the industry. MaxxForce CleanBurn™ Emissions Technology uses an intelligent control system integrated with a proprietary high pressure-injector and combustion bowl for a more complete and cleaner burn, achieving current emissions compliance in-cylinder and eliminating the need for additional equipment, fluids or hassle.

The most recent addition to the MaxxForce lineup, the 15-liter design combines the most advanced technologies to deliver unprecedented hauling power and unrivaled durability. It’s designed to deliver extreme power and durability in the most severe duty applications, with dual sequential turbos and a high-pressure injection system. MaxxForce 15 has been integrated into ProStar®+, PayStar® and 9900i models, available now through International Truck dealers throughout the United States and Canada.

MaxxForce 13 continues to provide customers with a winning combination of lightweight, fluid-efficient power and is now available with up to 500 hp in LoneStar® models. Leaders in weight savings and payload advantages, MaxxForce 11 and MaxxForce 13 engines provide superior strength, less fatigue and years of reliable service. The compacted graphite iron (CGI) engine design offers up to 500 pounds of weight savings over traditional, big-bore, gray-iron engines. This weight reduction translates to greater payload capacity.

The MaxxForce mid-range I-6 diesel line-up has been the engine of choice in Class 6-7 commercial truck and bus applications for decades and is a key ingredient to our continued leadership in medium duty vehicles for the past two decades. 

Built for performance, reliability, durability and fuel-efficiency, MaxxForce engines keep vehicles and fleets operating at their highest levels. From the city to the open road, the MaxxForce portfolio of engines meets our customers evolving product needs.

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, Monaco® RV brands of recreational vehicles, and Workhorse® brand chassis for motor homes and step vans. The company also provides truck and diesel engine service parts. Another affiliate offers financing services. Additional information is available at


Media contact: Steve Schrier, 331-332-2264
Investor contact: Heather Kos, 331-332-2406
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