A Ranger with a 4BT Cummins swap is delivering results that defy expectations. This build focuses on the diesel swap and how ...

One of the most reliable heavy-duty engine manufacturers of all time, Cummins, was founded in 1919. Over the decades, it has built its reputation and become a cornerstone of American diesel power, ...

Given the reemerging popularity of diesel engines at the OE level, it’s no surprise that the aftermarket has jumped back on the diesel bandwagon, and rightly so. Today’s direct-injection turbocharged ...

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 ...