Here's the story of perhaps the most legendary diesel engine ever made, the Cummins 5.9L.

The Caterpillar brand has long been associated with vehicles in the heavy-machining world, with its unmistakable logo emblazoned on the side of vehicles regularly seen moving dirt, rocks, and ...

Five-cylinder engines occupy a strange sweet spot in automotive history, sitting between the balance of a straight-six and the compact packaging of a four-cylinder. They have powered everything from ...