Cummins’ venerable 5.9-liter diesel engine has undergone many revisions. Here are some highlights of each one. What is a ...

Cummins engines were dominant in agriculture long before their debut in heavy-duty trucks. The 12-valve 5.9-liter Cummins I-6 engine was developed and installed in Dodge pickups starting in 1989 ...

The Dodge-Cummins relationship is arguably America's strongest automotive partnership. It began in 1989 when Cummins started supplying its B-series engines ... 5.9L 12-valve 6BT turbodiesel ...