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 ...

Cummins turbodiesel inline six-cylinder engines have long been the backbone of heavy-duty Dodge Ram trucks. Since their launch back in 1989, the oil burners have gone on to provide muscle for Ram's ...