The Cummins Onan C20N6H generator is listed with standby output of 18 kW, Natural Gas Only fuel, 60 Hz operation, 120/240 V output, and Single phase.
Generator • Natural Gas Only • 60 Hz • Single phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
33.9 kW
19.2 kW
18 kW
18 kW
How the Cummins Onan C20N6H compares
This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.
About 13% below the similar-output Cummins Onan average. Around the 32nd percentile for this field.
About 59% below the similar-output Cummins Onan average. Around the 5th percentile for this field.
About 66% below the similar-output Cummins Onan average. Around the 5th percentile for this field.
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | C20N6H |
| Generator type | Generator |
| Fuel | Natural Gas Only |
| Frequency | 60 Hz |
Electrical output
| Standby power | 18 kW |
|---|---|
| Prime power | 18 kW |
| Voltage options | 120/240 V |
| Phase | Single phase |
Engine, cooling and controls
| Oil capacity | 0.61 gal (2.3 L) |
|---|---|
| Controller | Alternator, Transfer Switch |
Physical specifications
| Dry weight | 531 lb (241 kg) |
|---|---|
| Dimensions (L × W × H) | 34.1 × 36 × 27.3 in (865 × 915 × 694 mm) |
Battery
| Battery group | 51 |
|---|---|
| Battery cranking | 450 CCA |
| Battery voltage | 12 V |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.