Cummins was founded in the 1919 by Clessie Lyle Cummins in Columbus, Indiana. Cummins has a rich history of innovating and creating efficient and effective engines, and because of this, it is used in multiple different equipment models, and the Cummins QSB 4.5 engine is no different. This engine is used in–forklifts, telehandlers, articulating boom lifts.
Equipment Models using the Cummins QSB 4.5:
- Hyster H190HD2 H210HD2 H280HD2
- Skyjack ZB2044
- JLG G10-55A, 544D10-55
- Genie GTH6025R
- Broderson IC400-3A
- Taylor Machine Works TX-160 TX-175 THC-250S THC-300S PTX-55 TT-300
- Ingersol Rand VR1056C
- UN Forklift FD80T FD90T FD100T
Specifications:
Configuration: | Inline 4 cylinder, B series engine family | ||
Displacement: | 275 cubic inches, 4.5 liters | ||
Bore x Stroke: | 4.02 inches x 5.39 inches | ||
Injection: | High pressure common rail, up to 1,600 BAR | ||
Aspiration: | Holset Turbocharger, intercooled. | ||
Weight: | 745 lbs (wet) | ||
Horsepower: | 110 – 173 hp @ 2,200 – 2,500 rpm | ||
Torque: | 305 lb-ft @ 1,500 rpm |



