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 ...

With the introduction of the '07 GMT900 trucks, you can get a 2500HD or 3500HD with an all-new body and interior wrapped around a cleaner and more powerful version of the famous Duramax diesel or a ...

Stock is good, but there's always room for improvement. When GM Powertrain set out to build a Duramax-powered GMC truck to help promote its new Duramax boat engine, it turned to Diesel Power to ...

The 6.6-liter LMM Duramax V8 diesel engine was introduced midway through the 2007 model year, when it replaced the 6.6 liter LBZ Duramax variant. As such, it powered Chevrolet Silverado Heavy-Duty and ...

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 ...