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.

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.

The 2007 year engine produced 350 hp of power and made 650 lb-ft of torque. In 2013, the power figures climbed to 385 hp, and 850 pounds-feet torque. In 2019, Cummins finally breached the 1,000 lb ...