2025 RAM Heavy Duty Chassis Cab: Big Trucks Need Love, Too

RAM recently released its refreshed 3500, 4500, and 5500 chassis cab trucks. Powering the trucks is a new 6.7-liter Cummins I-6 turbodiesel engine.RAM recently released its refreshed 3500, 4500, and 5500 chassis cab trucks. Powering the trucks is a new 6.7-liter Cummins I-6 turbodiesel engine.