Ram unveiled its new 2025 Ram heavy-duty trucks, featuring a new 6.7-liter Cummins High-Output Turbo Diesel engine. Ram’s ...

The Heavy Duty Ram trucks also feature the 6.4-liter Hemi gasoline V8 that makes 405 hp and 429 lb-ft of torque. Rams says its updated 3500 Heavy Duty can tow up to 36,610 pounds from a gooseneck ...

Ram's new heavy-duty pickups not only have a fresh look, they're also packing an overhauled diesel engine under the bonnet – though the trusty Hemi V8 lives on.

Ram is showing off its freshened 2025 Ram 2500 and 3500 Heavy Duty trucks and reassuring potential buyers that the company will still be offering the popular HEMI engines for the big trucks.