Specifications
| Fuel | Natural Gas/Propane |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 156 kW |
| Standby kVA | 156 |
| Emissions | EPA |
| Controller | PowerCommand 2.3 |
| Voltage options | 120/240 V, 120/208 V, 277/480 V, 347/600 V, 127/220 V |
| Phase | 3-phase |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 2867×1016×1415 mm |
| Dry weight | 1580 kg |
Engine
| Displacement | 8.9 L |
|---|---|
| Aspiration | in-line, spark-ignition (SI) |
| Rated speed | 1800 rpm |
Common questions
What is the power rating of the Cummins/Onan 125?
The Cummins/Onan 125 is rated 156 kW standby (156.0 kVA).
What engine does the Cummins/Onan 125 use?
The Cummins/Onan 125 is powered by the Cummins/Onan QSJ8.9G engine.
What fuel does the Cummins/Onan 125 use?
The Cummins/Onan 125 runs on Natural Gas/Propane.
Parts
9| Part # | Description | Qty | System | |
|---|---|---|---|---|
| GM28980 | UEGO Oxygen Sensor | Sensor | PartsGeek | |
| GM17010-KP4 | LP gas mixer and fuel regulator kit | Service part / kit | PartsGeek | |
| L447/9T | N/A | - | Service part / kit | PartsGeek |
| LG230 | Home Maintenance Kit | Service part / kit | PartsGeek | |
| SBBADMR125D | Bell Alarm and Alarm Relay Combination Module for 125V AC (Drawout Application) | Service part / kit | PartsGeek | |
| SBDMR125 | Alarm Relay for 125V AC (Drawout Application) | Service part / kit | PartsGeek | |
| SBEO125LEC | Electric Operator with Local Electric Close and CCX Option | Service part / kit | PartsGeek | |
| SBEO125LECCCX | Electric Operator with Local Electric Close and CCX Option | Service part / kit | PartsGeek | |
| SBRCS125LEC | Remote Closing Solenoid for 125V AC | Service part / kit | PartsGeek |
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 |
|---|---|---|---|
| Prime | |||
| Standby |
Available documents
Spec sheet — NAS-6298 (Cummins/Onan)