Typically, when people think of diesel engines, they think about torque. Compared to their regular gas-powered counterparts, diesel engines tend to have lower horsepower and higher torque figures.

Trucks are the backbone of the modern global economy, traversing the world's longest highways. In America, semi-rigs are a familiar sight on the interstate networks, hauling tens of thousands of tons ...

Inline-six engines are well-balanced, and they have a great history of being reliable. Four engines in particular are ...

Both Cummins and Ford offer 6.7-liter diesel engines. They share a few similarities, but those don't go much further than their displacements.

With that said, there are some diesel engines with surprisingly high horsepower figures. The semi-truck segment is one such area where diesel engines routinely top 500 horsepower without breaking a ...