As good as the 5.9-liter Cummins engine is, it could do with the nicer variable geometry turbo from the newer 6.7-liter. Is ...

The new cylinder head featured a rocker box that accommodated the injectors and crossover tubes as well as heavier-duty intake and exhaust valves. From 2003 to 2007, Cummins offered two different ...

a 12-valve cast-iron cylinder head, and a gear-driven cam drive, it was built to withstand years of hardcore punishment. The first-gen 5.9-liter Cummins (6BT) wasn't the only diesel engine ...

The most notable problem with the Cummins engine is what's become known as the "Killer Dowel Pin," where the timing cover ...