LML Duramax Diesel Photo by Brian Williams for Brenda Priddy & Co. Diesel may be in the dumps when it comes to pickup trucks, but things are starting to get hot in the heavy-duty segment. New federal ...

We’ve shown you spy photos and shared what our sources have told us, but now GM has pulled back more of the veil surrounding its next-generation heavy-duty Duramax diesel V-8 engine program. The ...

Hypertech’s Max Energy 2.0 Programmer Adds 45 hp and 68 lb-ft of torque to ’11-to-’16 6.6L Duramax LMLs Just outside Chet Kokkeler’s office sits the fleet of trucks, equipment, trailers, and vehicles ...

Before GM introduced its L5P turbodiesels, there was a standout engine that featured enhanced fuel economy and greater dependability than previous iterations from the automaker. The GM LML Duramax ...

Chevrolet brought an influx of new concepts, accessories and crate engines to the 2017 SEMA show, but buried in the details surrounding the new iron-block 6.0-liter L96 V8 crate engine was another ...

Back in 1998, General Motors and Isuzu teamed up to create a brand-new diesel engine that would be the first high-pressure common-rail, direct-injection powerplant to hit the U.S. vehicle market. The ...