Click on the picture, below, to learn more about the 'Drive the Difference' Sales Event featuring the Medium Duty, Heavy Duty and Severe Duty International truck products.

13-liter engine with “selective catalytic reduction” clears 2010 emissions standard After redirecting its Class 8 truck engine design program midway through last year, Navistar Inc., has received U.S. Environmental Protection Agency certification for one of its large truck engines incorporating selective catalytic reduction (SCR) emissions technology. The truck and engine builder started shipping trucks with the new technology in December, and now it indicates that EPA certifies its 13-liter heavy-duty engine at or below the required 0.20 g/bhp-hr NOx.

International Ranks Highest in Heavy-Duty Truck Engine Satisfaction Navistar’s International MaxxForce engines rank highest in customer satisfaction with a score of 760 and perform particularly well in four of eight factors: engine reliability and dependability, engine warranty, vibration at idle and average fuel economy.

Navistar, Inc. today announced it will offer the Tremec 10-speed manual transmission in its International® ProStar® model with the company’s 13-liter engine. Tremec offers a wide range of high torque-to-weight ratios designed for weight sensitive over-the-road and city applications. The pairing will also maximize payload for applications such as bulk haul. Navistar will offer four Tremec transmission options paired with the company’s 13-liter engine, available with 370-450 horsepower and 1,350-1,700 lb.-ft. torque for line haul and regional haul applications in the United States and Canada.The company also offers Tremec transmissions as an option in its ProStar with Cummins ISX15.

International® Truck today announced a new fuel efficiency package for the International® ProStar®—the International ProStar ES. The ES, short for efficiency specification, offers industry-leading aerodynamics, a drivetrain with advanced downspeeding and the most efficient rear axles in the industry. In addition, it boasts the spec'ing expertise of International's Performance Engineering Team and Navistar's proprietary OnCommand Connection™ remote diagnostics system. "The ProStar has an established reputation in the industry for being one of the most fuel efficient trucks on the road and the availability of the ProStar ES raises the bar even higher," said Jodi Presswood, vice president, Heavy-duty Truck Product Line.

Navistar, Inc. announced today that it has started customer shipments of its first International® DuraStar® vehicles with the Cummins ISB 6.7-liter engine. The DuraStar is available with the broadest array of specifications in the medium-duty industry and the addition of the Cummins ISB 6.7-liter engine now expands Navistar's product reach to a wider audience. The DuraStar is also available with the MaxxForce® 7, MaxxForce DT and MaxxForce 9 – in many horsepower and torque ranges.

The International ProStar with Cummins ISX15 was named ATD Truck of the Year in the heavy-duty division, while the International TerraStar 4×4 took medium-duty Truck of the Year at the American Truck Dealers Expo in New Orleans, La.