The 6.7L Cummins engine has been around for almost two decades. Here's how much horsepower the stock versions of the 6.7 have produced over the years.

Beginning in 1994, there's a jump in horsepower and torque, and that gap increases further depending on whether you have a manual or automatic transmission. For a Cummins 5.9L from 1994 to 1995 ...

Since 1989, RAM (earlier Dodge RAM) has been using engines made by Cummins on their popular pickup trucks. The journey, which started with the first generation 5.9-liter 160 hp turbo diesel, has ...