Over the past 40-some years I've had the pleasure of towing trailers loaded with cattle, horses, furniture, cars, and, lately, nearly all of my worldly possessions as I traipse around the country ...

The amount of horsepower and torque delivered by a stock 6.7L Cummins diesel engine depends on when it was released. The earliest versions of the 6.7 Cummins diesel, introduced around the middle of ...