The Cummins 4BT and 6BT diesel engines are popular for engine swaps. We compare the two engines so you can decide which will work best for you.

Read about this one-of-a-kind Cummins 4BT-powered 1998 Ford Ranger diesel, only on dieselpowermag.com, the official website of Diesel Power Magazine ...

The 3.9L 4BT is tough as an anvil but also big and very heavy. The R2.8 is a smaller, more modern, and much lighter-weight 2.8L engine that’s perfect for stuffing in a small Jeep Wrangler—and ...

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 ...