Cummins diesel engines and the Ram truck combined forces some years ago, creating what some would describe as the best partnership since peanut butter and jelly. The first-gen Cummins engines cost ...

Cummins’ venerable 5.9-liter diesel engine has undergone many revisions. Here are some highlights of each one. What is a 5.9-liter Cummins diesel engine? Well, for hardcore enthusiasts, it's ...