Detroit Diesel and Cummins are two of the market leaders in the world of diesel engines today, from pickups to semi trucks.

Cummins is a leader in the world of diesel engines, and it's mostly known for inline-six diesel units. However, there are a ...

Not all ultra-class trucks use the QSK95, but one that does is the Komatsu 980E-5SE. This Komatsu uses the most powerful Cummins engine to date to deliver 4,400 horsepower at just 1,800 rpm, and ...

Engine manufacturer Cummins Inc. has agreed to pay a more than $1.67-billion penalty to settle regulatory claims that the company unlawfully altered hundreds of thousands of pickup truck engines ...

“It was the oldest engine he’d ever seen,” Hanson said. In 1971, the 1939 Cummins HB diesel motor hauled its last load of sand to the Dakota oil fields, Hanson said.

5.9-Liter Cummins: Second Generation (Late 12-Valve, 1994-1998, P7100 Injection Pump) In 1994, the 5.9-liter Cummins was similar in many ways to the 1989-1993 engine.