Cummins B3.3 engine

The Cummins B series is a family of engines ranging from 4 to 6 cylinders. The B 3.3 is the 4-cylinder model featuring a mechanical injection system, and the QSB 3.3 model features a common-rail direct injection system. Installed on agricultural and construction machinery.

The B.3.3 model is often installed on compact machines such as skid-steer loaders, forklifts, turf equipment, telescopic handlers, compact tractors, pumps, compressors, generators and compaction equipment.