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.

When you find yourself in need of a new engine for your vehicle, you'll likely end up buying a remanufactured engine instead of rebuilding it or having it rebuilt. That decision depends on the type of ...

The longest-lived diesel still rolling out of factories is not a museum piece or a limited-run curiosity. It is a workhorse ...