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 has finally revealed its 2025 HD and Chassis Cab lineups, incorporating many of the flashy upgrades that have already hit the standard Ram 1500 pickup. But there’s more to this overhaul than a fancier cabin and a new grille.

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.

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 unveils its lineup of updated 2025 HD trucks, with the offering getting a revised diesel engine and a new 8-speed automatic transmission.

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

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