Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they ...

The longest-lived diesel still rolling out of factories is not a museum piece or a limited-run curiosity. It is a workhorse straight-six that has powered everything from farm trucks to modern ...

If you're involved in the diesel truck world, you'll know that there is a trifecta of American engine lines that have dominated the diesel market for decades. Those include the Dodge/Cummins, Chevy ...