Winter actually causes more damage to diesel trucks than most owners think. Every year problems like gelled fuel, failure to start or weak start, longer warm-up time and even cut short regeneration ...

You don't have to be a diesel-head to have heard about Cummins engines. The Indiana-based diesel truck engine manufacturer has outdone itself in developing some of the strongest and reliable engines ...

The Cummins X15 engine delivers heavy-duty performance supported by a sophisticated diagnostic system that logs and ...

X15 diesels showed quick throttle response and strong acceleration on the TRC's tracks. Engine brakes were impressively strong, even at low rpm's. A parade of X15-powered tractor-trailers led the ...

If you ever want to start an argument between diesel enthusiasts, just bring up the topic of the 6.7 Cummins and PowerStroke diesel engines and see the sparks fly. It's a rivalry as old as time itself ...