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 ...

Diesel engines are common in pickup trucks, like the Cummins 6.7- and 5.9-liter engines ... Let's see how they compare in terms of performance specs, known issues, and expected lifespan.

Since 1989, RAM (earlier Dodge RAM) has been using engines made by Cummins on their popular pickup trucks. The journey, which started with the first generation 5.9-liter 160 hp turbo diesel ...