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.

The all-new 6.7-liter Cummins High-Output Turbo Diesel is rated at 430 horsepower and 1,075 lb.-ft. of torque. A redesigned block and head, robust heavy-duty pistons, new performance intake manifold, ...