It is easier to hit emissions standards with gas engines. With diesel prices remaining 50c per gallon or more above the price ...

Highlights include a new 6.7-liter Cummins High-Output Turbo Diesel engine delivering 430 horsepower and 1,075 lb-ft of ...

The new engine produces up to 300 horsepower and 660 lb-ft of torque, and it will initially power Kentworth's semis.

The moment you climb into a Ram 2500, your sneakers become oil-waxed Lucchese, the airplane snacks squirreled away in your ...

For years, Cummins fans have wondered what a gasoline version of the legendary 6BT would look like. The original 5.9-liter I6 ...

The 2025 Ram HD line of trucks gets a new Cummins 6.7-liter six-cylinder turbocharged diesel that sends 430 hp and 1,075 ...

Ram’s top tower 2500 and 3500 HD brings a revised diesel engine for 2025, and after driving it, we can say it’s a whopper.

The SPELAB 6.7 intake horn demonstrates an upgraded design through its wide-open structure which enables faster turbocharger spool-up by decreasing airflow resistance. A well-designed intake manifold ...