We supply the Cummins B4.5 – a 4.5L inline 4 common rail diesel engine delivering 100-170kW and 700N·m torque with Tier 4 Final / Stage V certification. Unlike the old mechanical 4BT, this modern B-series engine features 1800-bar common rail and DOC+DPF aftertreatment (no SCR), making it the clean and simple choice for skid steers, mini excavators, compact tractors, and gensets in emission-regulated regions. As a China exporter, we offer complete engines, ECUs, DPF units, and wiring looms – all dyno-tested with data logs. We can also depopulate or calibrate the ECM for stationary genset or off-highway use. Send your equipment model, target horsepower, and emission requirement for a matched solution.
Production specification
B4.5-150 | B4.5-170 | B4.5-200 | |
Cyl No. and Arrangement | 4-Cyl in-line | ||
Bore/Stroke(mm) | 107/124 | ||
Air-intake way | Turbo charged cooling | ||
Combustion system | Direct injection | ||
Cooling way | Water-cooled | ||
Displacement(L) | 4.5 | ||
Max.Torque(N.m) | 112 | 127 | 149 |
Power(kw) | 283 | 313 | 358 |
Power(hp) | 150 | 170 | 200 |
Speed(rpm) | 2000 | ||
Net Weight(kg) | 380 | ||
Weight(kg) | 450 | ||
Dimension(L*W*H/cm) | 85*65*90 | ||
Application: | construction machinery / generator set / mining equiment / water pump / truck | ||
Certification | ISO9001:2000 | ||
Warranty | 12 Months / 1000 Hours | ||
Quality Control | The engines have been rigorously tested | ||
Payment | T/T, Western Union, Alibaba online payment. | ||
Service | Guidance on product issues through online and video support | ||
The price varies based on configu-ration, serial number, and part quality. For an accurate quote, contact a supplier with your specific engine serial number ornameplate. | |||