The new lineup of Ram HD trucks just got extra beefy thanks to an improved diesel engine. The Cummins 6.7-liter turbo diesel is about to change the heavy-duty game. 2025 Ram HD trucks have a new diesel engine The entire 2025 Ram HD truck lineup is available with a reworked Cummins diesel engine.

Cummins unveiled a new 2025 6.7-liter Turbo Diesel Pickup engine system for Ram Heavy Duty, along with its partners at Ram, on Wednesday.

The 430-horsepower Cummins Turbo Diesel delivers a 70% rise in torque. The diesel option is offered on Ram 2500 and 3500 HD and 3500, 4500, 5500 Chassis.

Ram's heavy-duty trucks receive a comprehensive refresh that includes new exterior styling and interior upgrades.

Ram unveiled official specifications for its updated 2025 heavy duty trucks Tuesday, making strides in arguably the biggest pissing contest of the automotive space. For 2025, Ram’s HD trucks bring bolder looks that were teased last year,

The engine maker's new 6.7-liter Turbo Diesel for Ram Heavy Duty's line of pickups and cab-and-chassis trucks comes with news of an extended Cummins/Ram diesel partnership through 2030.

Powering the most basic Ram 2500 and 3500 pickups is still the 6.4-liter gasoline-burning Hemi V8, which drops 5 hp, now delivering 405 hp and 429 lb-ft of torque, pushed through an eight-speed ZF HD 8HP75 transmission.

Following last year's update of the light duty Ram 1500, the heavy duty Ram trucks get a refresh for 2025 with a redesigned Cummins 6.7L diesel and more tech

Ram's heavy-duty pickups will continue to offer V8 power in the US, but the real news is an overhauled turbo-diesel inline six.

After getting booted from the 2025 Ram 1500 lineup, the 6.4-liter Hemi V8 engine carries on for the 2025 2500 and 3500 lineups with 405 horsepower and 429 lb-ft of torque. This mi