With nearly 1.3 million Duramax diesel engines put into operation since its launch in 2000, no other automaker has as much diesel engine development experience for meeting the demands of the heavy-duty truck customer as General Motors.
For 2011, that bar has been raised with new Duramax 6.6L turbo diesel engines, which are offered on the new GMC Sierra Denali HD, 2500HD and 3500HD, as well as commercial chassis cab and box-delete models, launching this summer. There are two versions – one for pickups (engine code LML) and one for chassis cab and box-delete vehicles (engine code LGH).
The Duramax is the most powerful in the heavy-duty pickup segment, with the LML rated at 397 horsepower (296 kW) at 3,000 rpm and 765 lb.-ft. of torque (1,037 Nm) at 1,600 rpm. The LGH is rated at 335 horsepower (249 kW) at 3,100 rpm and 685 lb.-ft. of torque (928 Nm) at 1,600 rpm.
The 2011 Duramax diesel lineup helps make the new Sierra heavy-duty trucks more capable and advances GMC’s 109-year legacy of building capable, durable heavy-duty trucks. Both versions share enhancements that bring:
