The Cummins/Onan QSB7-G7 is a 6.7 L turbocharged engine rated at 1800 rpm. It powers generator sets from MQ Power, including the DCA150SSCU. It holds 17.5 L (4.6 gal) of oil and 43 L (11.4 gal) of coolant.
Also known as: Cummins QSB7-G7
Part of the Cummins/Onan QSB7 engine family — 8 variants share parts & fitment.
| Oil capacity | 17.5 L |
|---|---|
| Coolant capacity | 43.0 L |
| Displacement | 6.7 L |
| Aspiration | turbocharged |
| Rated speed | 1800 rpm |
How to read your Cummins/Onan engine serial & model number →
| Part # | Description | Category |
|---|---|---|
| A047M180 | Filter, Air − Normal Duty | Air filter |
| A054E584 | Filter, Air − Heavy Duty | Air filter |
| A055Z870 | Filter, Air − Replacement − Heavy Duty | Air filter |
| 4915973 | Alternator Manual | Alternator |
| PI144D1 | Alternator Model | Alternator |
| UC274C | Alternator Model | Alternator |
| UC274K | Alternator Model | Alternator |
| 0908-0110-00 | Health and Safety (Diesel Generator Sets) | Service part / kit |
| V2403-M-E3BG | Engine Model | Service part / kit |
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 QSB7-G7 engine has an oil capacity of 17.5 liters.
The Cummins/Onan QSB7-G7 has a displacement of 6.7 liters.
The Cummins/Onan QSB7-G7 powers 1 generator set(s), including MQ Power DCA150SSCU.