Specifications
| Fuel | NG (natural gas) |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 275 kW |
| Standby kVA | 343 |
| Controller | PowerCommand 3.3 |
| Oil capacity | 61.0 L |
| Voltage options | 120/240 V, 120/208 V, 127/220 V, 139/240 V, 220/380 V, 240/416 V, 254/440 V, 277/480 V, 347/600 V |
| Battery group | 8D |
| Battery voltage | 24 V V |
| Battery quantity | 2 |
| Max ambient | 40 °C |
| Dimensions (L×W×H) | 3734×1689×2083 mm |
Engine
| Oil capacity | 61.0 L |
|---|---|
| Coolant capacity | 76.0 L |
| Displacement | 18.8 L |
| Aspiration | Natural Gas |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Cummins/Onan KTA 19G| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | — | ||||
| Oil filter | — | ||||
| Battery | — | ||||
| Belt | — | ||||
| Coolant | — | ||||
| Oil | — | ||||
| Spark plug | — |
Service specifications
12| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Other | Battery charging alternator | 37 | amps | |
| Other | Cranking current | 880 | amps | at ambient temp of 0 °C (32 °F) |
| Other | Frequency regulation | Isochronous | ||
| Other | Random frequency variation | ±0.5 | % | |
| Other | Regenerative power | 33 | kW | |
| Pressure | Fuel inlet pressure at GenSet connection | 356 to 508 | mm WC (14 to 20 in. WC) | |
| Pressure | Silencer back pressure (factory enclosed units only) | 5.6 | mm Hg (.22 in. Hg) | Factory enclosed units only |
| Pressure | Total system back pressure allowed | 51 | mm Hg (2 in. Hg) | |
| Speed | Overspeed limit | 2100 | rpm | |
| Temperature | Standard temperature rise (alternator) | 125 | °C | |
| Voltage | Random voltage variation | ±1 | % | Three-phase only |
| Voltage | Voltage regulation, no load to full load | ±1 | % |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Recommended fluids
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Fuel | NG (natural gas) | Fuel inlet pressure at GenSet connection: 356 to 508 mm WC (14 to 20 in. WC) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
How many kW is the Cummins/Onan C275N6?
The Cummins/Onan C275N6 is rated 275 kW standby (343.0 kVA).
What engine does the Cummins/Onan C275N6 use?
The Cummins/Onan C275N6 is powered by the Cummins/Onan KTA 19G engine.
What fuel type does the Cummins/Onan C275N6 take?
The Cummins/Onan C275N6 runs on NG (natural gas).
What's the oil capacity on a Cummins/Onan C275N6?
The Cummins/Onan KTA 19G engine in the Cummins/Onan C275N6 has an oil capacity of 61.0 liters.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 1040.99 | 275.0 | |
| Standby | 1040.99 | 275.0 |
Available documents
Spec sheet — C275N6C A042J421 (Cummins/Onan)