If you're searching for information about the Cummins 4BT diesel engine and how it differs from the 6BT, you likely fall into one of three camps. Camp one enjoys reading about obscure diesel engines.

Brian Hays of Ridgecrest, California, purchased this ’84 GMC Jimmy from a used car dealership in southeastern Washington in 2008. And it was very used. The rig had 300,000 miles on it and the 6.2L ...

This 1994 Ford F-150 Supercab long bed, a 4WD project truck with a Cummins 4BT engine swap, has been meticulously modified over 15 years of ownership, offering 170 hp and 20-22 mpg, ideal for ...

When it comes to engine rebuilding, some powerplants are better candidates than others. Take the Cummins 6BT 5.9-liter 6BT diesel engine for example. From humble, reliable workhorse to powerful ...