Specifications
| Standby power | 125 kW |
|---|---|
| Standby kVA | 156 |
| Prime power | 125 kW |
| Controller | PowerCommand 2.3 |
| Battery cranking | 850 CCA |
| Coolant capacity | ['125 kW - 50° C (122° F) ambient cooling system', '150 kW - 45° C (113° F) ambient cooling system'] L |
| Dimensions (L×W×H) | 2867×1016×1415 mm |
| Dry weight | 1580 kg |
Filters & service parts
model family| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 250 hr | find | ||
| Fuel filter | Check fuel lines and hoses: Visually check for leaks, worn or damaged hoses. To replace, contact your authorized distributor. | — | 24 hr | find | |
| Oil filter | Replace engine oil and filters. Refer to the Engine Oil section for the procedure. | — | 250 hr | find | |
| Belt | Checking drive belt condition and tension: Visually check belt for evidence of wear or slippage. To replace, contact your authorized distributor. | — | 24 hr | find | |
| Coolant | Starts to open within 2 °F (1 °C) of 180 °F (82 °C); Fully open within 2 °F (1 °C) of 203 °F (95 °C); Flow valve and flange clearance (minimum): 0.26 in (6.6 mm) | — | 500 hr | ||
| Oil | Replace engine oil and filters. Refer to the Engine Oil section for the procedure. | — | 250 hr |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.
Common questions
What is the power rating of the Cummins/Onan C125 N6?
The Cummins/Onan C125 N6 is rated 125 kW standby (156.0 kVA).
What engine does the Cummins/Onan C125 N6 use?
The Cummins/Onan C125 N6 is powered by the Cummins/Onan QSJ8.9G engine.
Parts
2model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 3824510 | electronic cleaner | Service part / kit | buy | |
| A047A982 | EControls GCP E-Com USB interface cable | Service part / kit | buy |
Compiled from this model's family documentation — may include parts for closely-related variants. 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 sheetOperator's manualService manual