Dodge RAMs have a well-documented history of bulletproof engines, and when lugging around a heavy-duty pickup truck, it's one of the most useful assets you could have. An engine with enough torque to ...

Both Cummins and Ford offer 6.7-liter diesel engines. They share a few similarities, but those don't go much further than their displacements.

Since 1989, RAM (earlier Dodge RAM) has been using engines made by Cummins on their popular pickup trucks. The journey, which started with the first generation 5.9-liter 160 hp turbo diesel, has ...