1989 5.9L Cummins B Series is a family of American straight-6 diesel truck and industrial piston engines that are manufactured by Cummins. The B Series is known for the 5.9 liters (360.0 cu in) straight-six motors increasing to the 6.7L 24 V Cummins in 2007.5.
The overhead-valve Cummins engine was a hefty 359 cubic inches (5.9 liters); it only had six cylinders, for easier servicing. Horsepower was rated at 160 hp @ 2,500 rpm in 1989, with torque of 400 lb-ft at 1,700 rpm.
5.9L 12V Cummins intercooled, turbocharged “B” series diesel had a cast iron block and head, and used high-pressure mechanical direct injection with 2 overhead valves per cylinder with roller...More Details »
For the 2003 model year, the 5.9L 24 Valve Cummins was introduced with Bosch high pressure common rail fuel injection system, again increasing power output to 305 HP 555 ft-lbs.
See our 5.9L Cummins products below!
6.7L is the latest version of the B Series. It is currently the largest straight-six engine produced for a light duty truck. It produces 350 horsepower and 650 pound-feet in the 2007.5 and newer Dodge 2500/3500 pickup trucks.
Class-Exclusive 3.0L EcoDiesel V6 delivers 240 horsepower and 420 lb-ft of torque at 2,000 rpm. The Ram 1500 is the only half-ton truck in the industry to offer a diesel engine. The 3.0L EcoDiesel...More Details »