The Cummins/Onan QSL9-G9 is a 8.9 L 6-cylinder turbocharged and after-cooled engine rated at 1800 rpm. It powers generator sets from Cummins/Onan and MQ Power, including the C275 D2Re and CG250DUAL. It holds 18.9 L (5.0 gal) of oil and 53 L (14.0 gal) of coolant.
Also known as: Cummins QSL9-G9
Part of the Cummins/Onan QSL9 engine family — 11 variants share parts & fitment.
| Oil capacity | 18.9 L |
|---|---|
| Coolant capacity | 53.0 L |
| Displacement | 8.9 L |
| Cylinders | 6 |
| Aspiration | turbocharged and after-cooled |
| Rated speed | 1800 rpm |
Shared across brands: Cummins/Onan, MQ Power
| Part # | Description | Category |
|---|---|---|
| 0518-0548-15 | Clamp | clamp |
| 0518-0548-22 | Clamp | clamp |
| 0518-0548-29 | Clamp | clamp |
| 0518-0548-35 | Clamp | clamp |
| A056F113 | Clamp | clamp |
| A052T655 | Gasket | gasket |
| A047A980 | Heater, Blanket | heater |
| A045P359 | Hose, DEF | hose |
| A045P417 | Hose, DEF | hose |
| A051B439 | Hose, DEF | hose |
| A030X751 | Box | other_service |
| A030Y642 | Hinge | other_service |
| A031A954 | Panel, Enclosure | other_service |
| A034N673 | Grill, Enclosure | other_service |
| A034N943 | Bolt, Carriage | other_service |
| A034P011 | Bolt, Carriage | other_service |
| A034P012 | Washer, Flat | other_service |
| A034P026 | Screw, Hex Flange Head | other_service |
| A034P039 | Nut | other_service |
| A034P108 | Screw, Hex Flange Head | other_service |
| A035H898 | Screw, Hex Head | other_service |
| A035P345 | Lead, Electrical | other_service |
| A041D550 | Header, Door | other_service |
| A041E195 | Panel, Enclosure | other_service |
| A041E396 | Panel, Enclosure | other_service |
| A041E596 | Header, Door | other_service |
| A041E928 | Post, Enclosure | other_service |
| A041M317 | Door, Control | other_service |
| A041S526 | Insulation, Door | other_service |
| A046F214 | Panel, Enclosure | other_service |
| A046F238 | Panel, Enclosure | other_service |
| A047V570 | Panel, Window | other_service |
| A052S411 | Latch | other_service |
| A053J589 | Screw, Hex Head | other_service |
| A053J591 | Screw, Hex Head | other_service |
| A053T433 | Padlock, Attachment | other_service |
| A055G556 | Screw, Socket Head | other_service |
| A056C784 | Latch, Mechanical | other_service |
| A056H470 | Hinge | other_service |
| A056M306 | Bolt, Carriage | other_service |
| A063L015 | Door, Enclosure | other_service |
| A063L064 | Header, Door | other_service |
| A063L069 | Header, Door | other_service |
| A063L072 | Panel, Enclosure | other_service |
| A063L080 | Panel, Enclosure | other_service |
| A064U218 | Cover, Electrical Connector | other_service |
| A072Y708 | Door, Enclosure | other_service |
| A072Y709 | Panel, Enclosure | other_service |
| A045J792 | Pump, Doser (See Page 70 for Components) | pump |
| 0821-0016 | Screw, Locking | screw |
| 0821-0029 | Screw, Locking | screw |
| 0821-6002-03 | Screw, Hex Head | screw |
| 0821-6003-01 | Screw, Hex Head | screw |
| A030Y648 | Edging, Seal (3.304 FT) | seal |
| A047V572 | Seal, Weather | seal |
| A054S414 | Seal, Door | seal |
| A054S416 | Seal, Door | seal |
| A046D072 | Strap, Tank | strap |
| A049G884 | Tank, DEF Complete (Includes Header and Heated Blanket) (See Page 66 for Components) | tank |
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 QSL9-G9 engine has an oil capacity of 18.9 liters.
The Cummins/Onan QSL9-G9 has a displacement of 8.9 liters with 6 cylinders.
The Cummins/Onan QSL9-G9 powers 2 generator set(s), including Cummins/Onan C275 D2Re, MQ Power CG250DUAL.