The Cummins/Onan QSX15 is a 15 L 6-cylinder turbocharged engine rated at 1800 rpm, producing up to 494 kW. It powers generator sets from Cummins/Onan and Kawasaki, including the CFP15E-F10, CFP15E-F20, CFP15E-F30 and CFP15E-F70. It holds 83 L (21.9 gal) of oil and 52.6 L (13.9 gal) of coolant.
Also known as: CUMMINS QSX15
Part of the Cummins/Onan QSX15 engine family — 8 variants share parts & fitment.
| Oil capacity | 83.0 L |
|---|---|
| Coolant capacity | 52.6 L |
| Displacement | 15.0 L |
| Cylinders | 6 |
| Aspiration | turbocharged |
| Rated speed | 1800 rpm |
| Gross power | 494 kW |
Shared across brands: Cummins/Onan, Kawasaki
This engine also powers 6 machine(s) on Power Equipment Info.
| Part # | Description | Category |
|---|---|---|
| AF25544 | Recommended air cleaner element - (heavy duty) primary element | air_filter |
| AF25545 | Recommended air cleaner element - (heavy duty) secondary element | air_filter |
| 19802521 | ECM Dataplate | ecm |
| 3331096 | Cummins, Part No. 3331096 | fuel_filter |
| FS1007 | Fleetguard® Nelson®, Part No. FS1007 | fuel_filter |
| M-4376220 | Upper Gasket Set | gasket |
| M-4376221 | Lower Gasket Set | gasket |
| 3406810 | Combination Full-Flow/Bypass Lubricating Oil Filter Cummins Part No. 3406810 | oil_filter |
| 17200015 | Engine Shutdown | other_service |
| 17690172 | Engine Braking System | other_service |
| 17800006 | Engine Model | other_service |
| 3163156 | Service cable for InPower™ | other_service |
| 3822735 | Plastic bead media | other_service |
| 3886301 | InPower™ electronic service tool | other_service |
| 956-0120 | other_service | |
| 956-0220 | other_service | |
| 960-0132 | other_service | |
| 960-0174B | other_service | |
| M-5473065 | 150mm Kit de Motor M-5473066 | other_service |
| M-5473069 | 152mm Kit de Motor M-5473070 | other_service |
| M-5473074 | Kit de Motor M-5473075 | other_service |
| TB3-5 | Generator Set Control Panel Terminal Block | other_service |
| TB3-6 | Generator Set Control Panel Terminal Block | other_service |
| ol204vt | Torque Peak | other_service |
| M-5473087 | Piston Kit | piston_kit |
| M-5484414 | Piston Pin | piston_pin |
| 3375044 | Torque Wrench | tool |
| 3375049 | oil filter wrench | tool |
| 3376807 | Coolant Filter Wrench | tool |
| M-3685996 | Valvula de admision - M-3685996 | valve |
| M-3686661 | Valvula de escape - M-3686661 | valve |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
The Cummins/Onan QSX15 engine has an oil capacity of 83.0 liters.
The Cummins/Onan QSX15 has a displacement of 15.0 liters with 6 cylinders.
The Cummins/Onan QSX15 powers 17 generator set(s), including Cummins/Onan CFP15E-F10, Cummins/Onan CFP15E-F20, Cummins/Onan CFP15E-F30, Cummins/Onan CFP15E-F70, Cummins/Onan CFP15EVS-F10.