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MaxxForce™ Diesel Engines Offer Power, Performance, Reliability and Durability


MaxxForce-powered International® WorkStar™ exceeds customer needs.

WARRENVILLE, Ill., May 8, 2007 — International Truck and Engine Corporation, a Navistar company, offers a selection of MaxxForce™ International Diesel Power engines for a wide array of applications including waste collection and recycling vehicles.

MaxxForce-brand diesel engines are the signature powerplant for International® brand on-highway Class 4-8 commercial vehicles. In North America, the seven-model MaxxForce product line ranges from the upgraded V-6 MaxxForce™ 5 to the two new MaxxForce Class 8 big bore engines.

MaxxForce engines stand for performance — reinforcing International’s commitment to high-quality trucks and engines — and are backed by the largest commercial truck dealer network in North America with more than 900 dealer locations, 7,000 service technicians and unmatched parts availability.

For 2008 model year severe service trucks, the MaxxForce engines lineup includes:

MaxxForce™ DT is built on the legendary DT 466 inline 6-cylinder platform and features a premium wet-sleeve design, maintenance-free closed-crankcase ventilation and electrical upgrades including an electronic-control module (ECM) with 32-bit processor and cam-style locking connectors for the wiring harness. These provide reliability, durability, optimal fuel economy, improved serviceability and lower cost of operation to owners and operators. MaxxForce DT powers Class 6-8 International® WorkStar™ trucks with 210-300 hp and 520-860 lb.-ft. of torque.

MaxxForce™ 9, built on International’s industry-leading I-6 architecture, features a bigger EGR system and a foam-molded wiring harness for reliability. An updated crankcase ladder provides added rigidity, strength and noise reduction, which contributes to durability and driver comfort. The MaxxForce 9 powers Class 7-8 International® WorkStar™ trucks with 300-330 hp and 800-950 lb.-ft. of torque.

MaxxForce™ 10 also built on the I-6 architecture, features dual EGR coolers, steel pistons and a titanium turbocharger compressor wheel in order to provide increased reliability and durability for high horsepower and torque applications. MaxxForce 10 powers Class 8 International® WorkStar™ trucks with 310-350 hp and 1,050-1,150 lb.-ft. of torque.

MaxxForce™ 11 and MaxxForce™ 13 are International’s new big bore diesel engines for the Class 8 truck market. These engines take advantage of recent technological advances to offer drivers a strong compacted-graphite iron cylinder block without added weight, outstanding fuel economy, excellent power characteristics and low noise, vibration and harshness. The MaxxForce 11 and MaxxForce 13 will be offered in late 2007 in International® WorkStar™ trucks as well as International® TranStar™ tractors, and the new International® ProStar™ line-haul tractor in early 2008.

For more information on MaxxForce™ big bore engines, the entire line of MaxxForce commercial diesel engines and the MaxxForce™ International Diesel Power brand, visit www.maxxforce.com.

International Truck and Engine

A wholly owned subsidiary of Navistar International Corporation (Other OTC:NAVZ), International Truck and Engine Corporation is a leading producer of medium trucks, heavy trucks, severe service vehicles, mid-range diesel engines, parts and service. International and its affiliates sell their products, parts and services through a network of nearly 1,000 dealer outlets in the United States, Canada, Brazil and Mexico and from more than 60 dealers in 90 countries throughout the world. Additional information is available at: www.navistar.com.

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International Truck And Engine Corporation
Warrenville, IL 60555
Phone: 1.800.44.TRUCK (1.800.448.7825)