Power is provided by a turbocharged 5.9-liter Cummins straight-six diesel engine that sends 500 hp and 1,000 lb-ft through a four-speed automatic transmission and two-speed transfer case to 37 ...

If you're sold on the 5.9 Cummins (and fair enough, it's a beast when it's right), aim for the 2003 to 2007 model years. These trucks use the high-pressure, common-rail injection system, ditching ...

Cummins and Ram claim that the switch to glow plugs is a result of changes in the engine layout and an attempt to improve ignition time.

Cummins has dominated diesel engines for decades. The engines are built all over the world, though interestingly, the company ...