The Cummins Onan QG 4000 generator is listed with standby output of 4000 kW, gasoline fuel, 60 Hz operation, 120 V output, Single phase, rated current of 33.3 A, and sound level of 66 dBA @ 10 ft (3 m).
Generator • gasoline • 60 Hz • Single phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
0.6 gal/hr
0.9 gal/hr
22,966.7 kW
55.6 kW
4,000 kW
4 kW
How the Cummins Onan QG 4000 compares
This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.
About 118% above the similar-output Cummins Onan average. Around the 99th percentile for this field.
About 90% below the similar-output Cummins Onan average. Around the 59th percentile for this field.
About 99% below the similar-output Cummins Onan average. Around the 8th percentile for this field.
About 18% below the similar-output Cummins Onan average. Around the 14th percentile for this field.
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | QG 4000 |
| Generator type | Generator |
| Fuel | gasoline |
| Frequency | 60 Hz |
Electrical output
| Standby power | 4000 kW |
|---|---|
| Prime power | 4 kW |
| Voltage options | 120 V |
| Phase | Single phase |
| Rated current | 33.3 A |
| Power factor | 1 |
Physical specifications
| Dry weight | 174 lb (79 kg) |
|---|---|
| Dimensions (L × W × H) | 30 × 19.7 × 14.4 in (762 × 500 × 365 mm) |
| Sound level | 66 dBA @ 10 ft (3 m) |
Battery
| Battery voltage | 12 V |
|---|---|
| Battery quantity | 1 |
Fuel consumption
| Standby | 0.6 gal/h (2.27 L/h) @ 50%; 0.9 gal/h (3.41 L/h) @ 100% |
|---|
Maintenance and service parts
| Oil filter | Specification: Replace air filter. |
|---|---|
| Air filter | Specification: Check for blocked air flow or other possible causes of overheating. |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.