Specs for the new 8.3L Duramax, aka Mongoose, are impressive, making over 1,200 lb-ft of torque. However, it looks as though ...

GM has confirmed its all-new Mongoose 8.3L Duramax turbodiesel V8, but one very important question remains: how much power ...

General Motors has teased a new Duramax diesel 8.3-liter engine that it has dubbed “Mongoose.” GM’s teaser video took shots ...

The all-new V-8 powers the 2027 Chevy Silverado HD and GMC Sierra HD, with maximum towing capacity climbing to 38,000 pounds.

GM has answered the heavy-duty diesel horsepower race with the most American fix available: more displacement. The 2027 ...

Given the fact that GM's new Mongoose diesel V8 makes more power than the Ford Super Duty's 6.7L V8 Power Stroke, should The ...

The heavy-duty diesel wars have officially entered their wildlife phase. General Motors has confirmed an enormous new Duramax ...

The largest among the Big Three in Detroit has released teaser footage of the much-awaited Megamax, which is actually codenamed Mongoose ...

General Motors is continuing its full-scale truck overhaul, dropping a teaser for the engine set to power its upcoming heavy-duty pickup lineup: a massive 8.3-liter Duramax turbodiesel V8 nicknamed ...

It doesn’t sound as cool as “Megamax,” but the General has a good reason for the moniker.