The amount of horsepower and torque delivered by a stock 6.7L Cummins diesel engine depends on when it ... difference in the Cummins-provided specs of the two versions is the compression ratio.

Cummins offers its 6.7L Turbo Diesel as a crate engine in several variations. Here is how many versions it offers and the ...

A refresh of the engine came partway through 2004 that let it hit 325 hp and 610 lb-ft of torque. Each generation of this Cummins engine has its fans, so it's tough to go wrong with any of them.