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  • General Motors, Isuzu Duramax Engines Hit Ten-Year Milestone

General Motors, Isuzu Duramax Engines Hit Ten-Year Milestone

Andrew Peterson
Aug 23, 2010
In 2000, Isuzu and General Motors began producing diesel engines together for use in full-size, heavy-duty pickup trucks known as Duramax diesels. Over one million engines later, Duramax is celebrating a decade of diesel engine production today.
Photo 2/12   |   2011 Chevrolet Silverado 3500 HD Front Three Quarters View In Motion With Trailer
"Over our company's ten-year history, the Duramax diesel engine has become a success story and the pride of loyal Duramax owners around the world," said Maho Mitsuya, CEO of DMAX, builder of Duramax diesels. "We're proud of the role we've played in producing the leading reputation for quality, reliability, and durability in the heavy-duty truck market."
The first Duramax diesel engines were used in '01-model year heavy-duty pickup trucks. The turbo-diesel V-8s displaced 6.6 liters and produced 300 horsepower and 520 pound-feet of torque. Since then, the turbo-diesel V-8 configuration and displacement have remained the same, but the engine's power output and refinement have been upgraded.
Photo 3/12   |   2011 GMC Sierra 3500 HD Towing
For 2011, the engine builder introduced its most powerful and efficient V-8: a 6.6-liter monster that produces 397 horsepower and 765 pound-feet of torque, up 32 horsepower and 102 pound-feet of torque over its predecessor. Additionally, the engine is over 11 percent more efficient than the outgoing engine and produces over 63 percent fewer harmful emissions.
DMAX is one of GM's only remaining ties to now-defunct (at least in the U.S.) Isuzu, as the engine is still a 60/40 GM-Isuzu venture. The engines are used in GM's full-size, heavy-duty pickup trucks and full-size vans, and Duramax has produced over 1.2 million engines in the past decade.
Photo 4/12   |   2011 GMC Sierra 3500 Hd Hood
Source: General Motors

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