While Dodge diesel trucks didn't always have Cummins engines, their shared history dates all the way back to 1989. That's when the inline six-cylinder 5.9-liter Cummins diesel first appeared in Dodge ...

The 5.9-liter Cummins is diesel royalty. It's the reason thousands of Ram trucks from the late '90s and early 2000s are still climbing hills, pulling trailers, and terrifying Priuses in the fast lane.

Switching from a gasoline engine to a diesel-powered setup is an enticing possibility, but it requires a lot more work than ...

If you want to squeeze more power out of a 24-valve diesel Cummins engine, you might want to change out its fuel-injection ...