Featured Duramax & General Motors Diesel Tech
GM's new Duramax is here, rated at a pavement stomping 445 horsepower and 910 lb-ft of torque. Changes including greater coolant and lubrication flow, induction hardened cylinder walls, and an electronically actuated variable geometry turbocharger.
Comparison between GMC, Chevrolet, Ford, and Ram diesel powered pickups. See how the competition stacks up with regards to power and capability for the 2017 model year.
Overview of the 2.8L Duramax powered GMC Canyon and Chevrolet Colorado midsize pickups, which have earned up to an EPA rated 31 mpg.
Allison 1000 transmission specs, ratios, and service information. The Allison 1000, Duramax diesel combination has been the tried-and-true powertrain package for GMC and Chevrolet HD pickups since there introduction for the 2001 model year.
Service intervals for all generations of the 6.6L Duramax diesel - LB7, LBZ, LLY, LMM, and LML.
The ZF S6-650 manual transmission was available in Duramax equipped GMC and Chevrolet pickups for the 2001 to 2006 model year, before General Motors retired a manual transmission option from the HD pickup line indefinitely in favor of the popular Allison 1000 automatic.
Once a planned offering for Sierra and Silverado 1500 models, the 4.5L Duramax is now nothing more than a concept, although GM has hinted that they'd like to revisit the idea.
GM's Chevrolet pickup brand extends the "High Country" trim package to 2500 and 3500 HD models.