The Duramax diesel is a series of diesel engines manufactured by General Motors. Here's a breakdown of the generations over ...

Cummins (CMI) and Liberty Energy (LBRT) announced that the industry’s first natural gas variable speed, large displacement engine to power ...

The all-new 6.7-liter Cummins High-Output Turbo Diesel is rated at 430 horsepower and 1,075 lb.-ft. of torque. A redesigned ...