Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 196 kW |
| Standby kVA | 233 |
| Prime power | 168 kW |
| Emissions | 3,3a |
| Oil capacity | 18.9 L |
| Alternator | 100 amps |
| Voltage options | 12 V |
| Phase | single |
| Coolant capacity | 17.0 L |
| Max ambient | [50, 55] °C |
| Dimensions (L×W×H) | 1742×858×1187 mm |
| Dry weight | 585 kg |
| Sound level | 4.2 dBA @ 1 m |
Engine
| Oil capacity | 4.6 L |
|---|---|
| Displacement | 6.69 L |
| Aspiration | turbocharged and after-cooled |
Maintenance & consumables
for the Cummins/Onan QSB7-G3| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Filter, Air − Normal Duty | A047M180 | Amazon eBay $236.52 | ||
| Fuel filter | Strata pore fuel filter | — | 500 hr | find | |
| Oil filter | — | 1000 hr | find | ||
| Belt | — | 1000 hr | find | ||
| Coolant | 26.95 | — | |||
| Coolant filter | — | find | |||
| Oil | 18.9 | — |
Common questions
What is the power rating of the Cummins/Onan QSB7?
The Cummins/Onan QSB7 is rated 196 kW standby (233.0 kVA).
What engine does the Cummins/Onan QSB7 use?
The Cummins/Onan QSB7 is powered by the Cummins/Onan QSB7-G3 engine.
What fuel does the Cummins/Onan QSB7 use?
The Cummins/Onan QSB7 runs on Diesel.
What is the oil capacity of the Cummins/Onan QSB7?
The Cummins/Onan QSB7-G3 engine in the Cummins/Onan QSB7 has an oil capacity of 4.6 liters.
What alternator does the Cummins/Onan QSB7 use?
The Cummins/Onan QSB7 uses a 100 amps alternator.
What air filter does the Cummins/Onan QSB7 use?
The Cummins/Onan QSB7 uses air filter part number A047M180.
Parts
6| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 4915973 | Alternator Manual | Alternator | buy | |
| A047M180 | Filter, Air − Normal Duty | 1 | Air filter | Amazon eBay $236.52 |
| A054E584 | Filter, Air − Heavy Duty | 1 | Air filter | Amazon eBay |
| A055Z870 | Filter, Air − Replacement − Heavy Duty | 1 | Air filter | Amazon eBay $251.32 |
| 0908-0110-00 | Health and Safety (Diesel Generator Sets) | 1 | Service part / kit | buy |
| 518-0601 | Sealant, Thread (6 ml Tube) | 1 | Service part / kit | buy |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Continuous power | 100% | 47.0 | 12.4 |
| Prime power | 100% | 51.0 | 13.5 |
| Standby | 100% | 58.0 | 15.4 |
| Continuous | 100% | 40.0 | 10.5 |
| Fuel_load | 12.25 | 46.4 | |
| Prime | 10.0 | 37.9 | |
| Prime | 25% | 14.0 | 3.6 |
| Prime | 50% | 26.0 | 6.9 |
| Prime | 75% | 37.0 | 9.8 |
| Prime | 80% | 250.0 | |
| Prime | 100% | 59.0 | 15.5 |
| Prime | 110% | 310.0 | |
| Standby | 8.45 | 32.0 | |
| Standby | 25% | 12.0 | 3.1 |
| Standby | 50% | 24.0 | 6.4 |
| Standby | 75% | 34.0 | 8.9 |
| Standby | 100% | 51.0 | 13.4 |
Available documents
Engine spec — 0032900 (Cummins/Onan)Engine spec — 0043688 (Cummins/Onan)Spec sheet — 0070819 (Cummins/Onan)Spec sheet — 0070820 (Cummins/Onan)Spec sheet — QSB7-G3 (Cummins/Onan)Spec sheet — QSB7-G4 (Cummins/Onan)Spec sheet — QSB7-G4 0Spec sheet — QSB7-G5 (Cummins/Onan)Spec sheet — QSB7-G6 (Cummins/Onan)Spec sheet — QSB7-G9 (Cummins/Onan)Spec sheet — rental-generator-sets-rating-cards-north-america-50-60hz-2025-aug (Cummins/Onan)Reference — Schedule Technical2012 (Cummins/Onan)Service manual — 908-0604 Cummins QSB7-G3 Engine Installation Manual (4-2007) (Cummins/Onan)Service manual — 908-0615 Cummins QSB7-G5 Engine Installation Manual (12-2009) (Cummins/Onan)Service manual — 908-0617 Cummins QSB7-G5 3.3 Engine Installation Manual (12-2009) (Cummins/Onan)