or a powerplant that had the performance characteristics of a big-rig's engine: a 5.9-liter Cummins diesel. With the engines installed in Dodge Ram rigs, sales went through the roof. Coupled with ...

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 ...

Diesel engines are common in pickup trucks, like the Cummins 6.7- and 5.9-liter engines that power some Ram trucks. Ford and Navistar teamed up to bring the venerable 7.3-liter Power Stroke diesel ...