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 ...

Presented by the good folks over at Truck Hub Magazine and filled with parts from great vendors like Roadster Shop, Hurst Performance, or Rotiform, this is an LML Duramax creation by Boneyard Builds ...

Every truck featured in the pages ofhas a unique backstory. Still, some are more meaningful than others. Case in point: This ’11 GMC Sierra Denali 3500HD was purchased brand-new with the goal of ...

Edge Products announced that its Evolution CS2 and CTS2 tuners are now available for 2016 Chevy and GMC pickups equipped with a 6.6-liter LML Duramax engine. Edge has also re-engineered and released ...

GM’s leaked powertrain guide for the 2017 model year denotes that the L5P figures are SAE J1349 certified, which means that the numbers were derived using the latest standards and specifications in ...

General Motors and joint venture partner Isuzu Motors are celebrating the production of the 1.5 millionth Duramax Diesel engine at the DMAX Ltd. plant. The General offers two 6.6 liter Duramax V8 ...

Normally, when issues like damage and high mileage make replacing the cylinder heads on a 6.6L Duramax diesel engine necessary, most people use rebuilt stock heads. This has been the standard practice ...

If you’re in the market for a full-size sport utility vehicle of the body-on-frame flavor, there are plenty to choose. What’s not so plentiful is the option of a turbo diesel engine for these ...