The all-new 6.7-liter Cummins High-Output Turbo Diesel is rated at 430 horsepower and 1,075 lb.-ft. of torque. A redesigned ...

The redesigned Cummins of the 2025 Ram HD features a CGI block and cast iron for the head, larger intake and exhaust valves, a different intake manifold, top feed injectors, lubrication ...