1989-2007 Cummins 5.9L

Through the years, Cummins has promoted higher power density turbo charged diesel engines, and that dedication to power can be seen in today’s RAM pickups. As technologies have evolved, the 6.7L Turbo Diesel continues the Cummins legacy of performance and legendary reliability.

The Cummins 5.9L engine is a diesel engine that is known for its reliability and performance. It is a 6-cylinder engine that was available in both 12-valve and 24-valve versions. 

The 12-valve 5.9L Cummins engine was offered in vehicles from 1989 through 1998 while the 24-valve version was offered from 1998 to 2007.