Featured Duramax & General Motors Diesel Tech
Maintenance schedule, fluid capacities, and parts guide for all generation 6.6L Duramax diesels.
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.
Overview of the 2.8L Duramax powered GMC Canyon and Chevrolet Colorado midsize pickups, which feature an EPA rated 30 mpg on the highway.
How to properly service the NV4500 5 speed manual transmission, including important information on fluid selection.
How do the Chevrolet Colorado and GMC Canyon stack up against Toyota's midsize segment leader?
Information on the 6.5L GM diesel, which was produced for Chevrolet and GMC fullsize trucks from 1992 through 2002.
Information on the 6.2L GM diesel, which was produced for Chevrolet and GMC fullsize trucks from 1982 through 1993 before replaced by the larger 6.5L.
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.
How to rebuild the king pins on the I-beam front axle found on heavy duty C3500HD model trucks by Chevrolet and GMC.