Four heavy heavy-duty diesel engines will also be evaluated: the Caterpillar C15, Cummins ISX, Volvo D13 and DDC Series 60," and more engines may be added to the benchmark later.

The 6.6 Duramax and 6.7 Power Stroke are two engines powering some of the most well-known pickups in the country, but how do ...

Which pickup trucks have the best diesel engines? These oil burners are made to deliver excellent power for towing and ...

An example is the transition in heavy duty diesel engine oils in the 1980s from monograde ... and lubricity for moving mechanical parts. The presence of the oil decreases friction of metal parts ...

Petro-Canada’s new Duron UHP 10W-30 provides improved performance and protection for heavy-duty fleets, the company said.