A deep dive into the strengths and common issues of the legendary 5.9 Cummins 24-valve diesel engine. What makes this engine so loved—and sometimes so frustrating? 12 deaths in six years on dangerous ...

The first RAM with a Cummins engine under the hood was launched in 1989 and has continued to evolve, now in it's fifth generation. In 2003, the popular heavy-duty truck offered the Cummins third ...

A closer look at the strengths, weaknesses, and common issues of the 5.9 Cummins 24-valve diesel engine.