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Cummins 5285407 Fuel Injection Pump Assembly
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| Pump Type | Common Rail High Pressure (Denso HP3) |
|---|---|
| Maximum Rail Pressure | 180 MPa (1800 bar) |
| Rated Voltage | 24V DC |
| Drive Type | Gear Driven |
| Number of Pumping Elements | 3 |
| Fuel Inlet Thread | M14 x 1.5 |
| Fuel Outlet Thread | M12 x 1.5 |
| Mounting Flange | SAE 2-Bolt |
| Net Weight | 6.5 kg |
| Package Dimensions | 25.4 × 20.3 × 12.7 cm |
Manufacturer No.
- 5285407
OEM Part No.
- 5285407
- 3917510
- CM5285407
Engine Part No.
- Cummins QSB3.3 CM2250 B137
- Cummins QSB3.3 CM2250 EC
- Komatsu SAA4D95LE-5
Interchange No.
- 528-5407
Fitment Vehicles
- JLG Telehandlers
- SkyTrak 6036
- Komatsu PC35-7
- Komatsu PC30MR-3
The Cummins 5285407 is a high-pressure common rail fuel injection pump designed for the QSB3.3 CM2250 engine series. It utilizes Denso HP3 pump technology to deliver precise fuel quantity and timing control across the operating range. The pump is gear-driven from the engine camshaft and features an integrated fuel metering valve (FMV) and fuel pressure sensor for closed-loop rail pressure control. It supports engine ratings up to 130 hp (97 kW) in Tier 4 Interim / Stage IIIB emissions configurations. The assembly includes the pump head, rotor, drive shaft, and mounting flange. It is a direct replacement for Cummins part numbers 5285407 and 3917510 assembly.
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