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 ...

Peterbilt 589 features a Sleeper configuration to go with a Cummins X15 turbodiesel engine and an 18-speed manual ...

Coming in at number one on our list is an unsuspecting hero of the Diesel World. It's the outgoing Nissan Titan XD. It's powered by a 5.0-liter Cummins turbo-diesel V-8 that outputs 310 horsepower and ...