Detroit Diesel Introduces the DD16 Engine with BlueTec Emissions Technology for Western Star Trucks Detroit Diesel’s newest and most powerful engine is ideal for Western Star applications

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REDFORD, Mich. – March 19, 2009 – Western Star Trucks today announced that the new Detroit Diesel DD16™ engine – the latest in Detroit Diesel’s series of all-new, heavy-duty engines – will be in production for the Western Star 4900 series in March 2010 and the Western Star 6900 in July 2010. The DD16 is the most powerful engine offered by Detroit Diesel and will be equipped with BlueTec® emissions technology.

The DD16 displaces 15.6 liters and is ideal for owner-operators, small fleets and specialty applications that include the mining, petroleum, agriculture, logging, hazardous material and heavy-haul segments. Part of the Detroit Diesel engine family, the DD16 shares a common platform design that is leveraged on a global scale by Daimler Trucks.

The DD16 features a robust core design, amplified common rail fuel system (ACRS™), turbo compounding technology and superior power curves that gives drivers the torque response and pulling power they demand. It will be offered with a large variety of output and multi-torque power ratings from 1,750 to 2,050 lb-ft torque and 475 to 600 horsepower.

In addition, the DD16’s remarkable pulling power allows the driver to haul heavier payloads up and down the steepest grades and hang in top gear longer. Thanks to the DD16’s integrated engine brake, getting down the other side is just as easy. With the DD16, Western Star customers can carry bigger loads with increased gross combination weight (GCW).

“The powerful DD16 will provide Western Star customers with yet another engine choice to tackle the most challenging jobs in the most extreme environments,” said Richard Shearing, senior manager of product strategy for Western Star. “Not only does the DD16 feature superior durability that will result in less engine wear-and-tear, it’s backed by Detroit Diesel’s proven engine technology.”

Additional features include the DD16’s multi-torque ratings will help improve fuel economy without compromising the engines extreme power. The engine’s wide, flat torque curves, peak at low RPMs and also help with vehicle launch and maintain pulling power on steep grades.

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Western Star Trucks Sales, Inc., headquartered in Redford, Mich., produces heavy-duty custom trucks for long-haul and vocational applications.

Western Star is a subsidiary of Daimler Trucks North America LLC. Daimler Trucks North America produces and markets Class 3-8 vehicles and is a Daimler company, the world's leading commercial vehicle manufacturer.

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