The Cummins/Onan QSB7 series is a 6.69 L 6-cylinder direct injection engine rated at 1500 rpm. It powers generator sets from Cummins G-Drive Engines and Cummins/Onan, including the QSB7, C100 D6, C125 D6D and C150 D6D. It holds 18.9 L (5.0 gal) of oil.
Part of the Cummins/Onan QSB7 engine family — 8 variants share parts & fitment.
| Oil capacity | 18.9 L |
|---|---|
| Displacement | 6.69 L |
| Cylinders | 6 |
| Aspiration | direct injection |
| Rated speed | 1500 rpm |
Shared across brands: Cummins G-Drive Engines, Cummins/Onan
| 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 manual | other_service |
| 518-0601 | Sealant, Thread (6 ml Tube) | other_service |
| V2403-M-E3BG | Engine Model | 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 QSB7 series engine has an oil capacity of 18.9 liters.
The Cummins/Onan QSB7 series has a displacement of 6.69 liters with 6 cylinders.
The Cummins/Onan QSB7 series powers 13 generator set(s), including Cummins G-Drive Engines QSB7, Cummins/Onan C100 D6, Cummins/Onan C125 D6D, Cummins/Onan C150 D6D, Cummins/Onan C175 D6.