Cummins’ venerable 5.9-liter diesel engine has undergone many revisions. Here are some highlights of each one. What is a ...

Diesel engines are common in pickup trucks, like the Cummins 6.7- and 5.9-liter engines ... a fault some blame on Ford's split-shot fuel injectors. Over the next couple of years, the engine ...

Ram still assembles the current generation of its half-ton “1500” in Sterling Heights, Michigan. Its parent company ...