The Cummins/Onan L9-G18 is a 8.9 L 6-cylinder turbocharged & charge air cooled engine rated at 1500 rpm. It powers generator sets from Cummins/Onan, including the G 18. It holds 27.5 L (7.3 gal) of oil and 20.46 L (5.4 gal) of coolant.
Part of the Cummins/Onan L9 engine family — 2 variants share parts & fitment.
| Oil capacity | 27.5 L |
|---|---|
| Coolant capacity | 20.46 L |
| Displacement | 8.9 L |
| Cylinders | 6 |
| Aspiration | Turbocharged & Charge Air Cooled |
| Rated speed | 1500 rpm |
| Part # | Description | Category |
|---|---|---|
| OxLi364 | Record Button Assembly | other_service |
| OxLi464 | [Not specified] | other_service |
| QBP1771 | Holder Spring | other_service |
| QBP1923 | [Not specified] | other_service |
| QXL1363 | Eject Button Assembly | other_service |
| QXL1365 | Rewind Button Assembly | other_service |
| QXL1366 | Fast Forward Button Assembly | other_service |
| QXL1463 | [Not specified] | other_service |
| QXL1466 | [Not specified] | other_service |
| QxL1465 | [Not specified] | other_service |
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 L9-G18 engine has an oil capacity of 27.5 liters.
The Cummins/Onan L9-G18 has a displacement of 8.9 liters with 6 cylinders.
The Cummins/Onan L9-G18 powers 1 generator set(s), including Cummins/Onan G 18.