Cummins has been building pickup truck engines since 1989, which is when it first offered its legendary 359 cubic-inch inline-six engine known as the 6BT, often considered one of the best American ...
Ram is also adding an uber-strong diesel-powered truck to its portfolio of halo vehicles.
The Cummins B Series engine reshaped what drivers expected from diesel engines. The B Series engines, consisting of the 6B, 6BT, 6BTA (inline six-cylinder), 4B, 4BT, and 4BTA (inline four-cylinder), ...