Specifications
| Fuel | NG/LP |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 125 kW |
| Standby kVA | 156 |
| Emissions | EPA |
| Controller | PCC2100, PowerCommand PCC2100 |
| Oil capacity | 6.1 L |
| Alternator | Brushless, revolving field, 12-lead (Class H insulation) |
| Voltage options | 120/208 V, 120/240 V, 127/220 V, 139/240 V, 240/416 V, 254/440 V, 277/480 V, 347/600 V |
| Phase | 1 |
| Rated current | 1042 A |
| Power factor | 1.0 |
| Circuit breaker | 600 A |
| Battery cranking | 620 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Max ambient | 40 °C |
| Dimensions (L×W×H) | 3607×1524×1778 mm |
| Dry weight | 1441 kg |
| Wet weight | 1225 kg |
| Sound level | 75.2 dBA @ 7 m |
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | — | ||||
| Oil filter | Single spin-on canister-combination full flow with bypass | — | |||
| Battery | — | ||||
| Belt | — | ||||
| Coolant | — | ||||
| Oil | — | ||||
| Spark plug | — |
Common questions
What size generator is the Cummins/Onan GGHJ?
The Cummins/Onan GGHJ is rated 125 kW standby (156.0 kVA).
What fuel does the Cummins/Onan GGHJ use?
The Cummins/Onan GGHJ runs on NG/LP.
Which alternator is fitted to the Cummins/Onan GGHJ?
The Cummins/Onan GGHJ uses a Brushless, revolving field, 12-lead alternator. Insulation class H.
Parts
9model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 130-5258 | Thermostat (85°C) (Must Purchase F1VY-8255-A O-ring seal from Ford) | 1 | Thermostat | Amazon eBay |
| 167-1639 | Plug, Spark (Ford Part Number AGSF-22-FM1) (.035 Gap) | 10 | Spark plug | Amazon eBay $16.00 |
| 193-0529-01 | Sensor, Temperature | 1 | Sensor | Amazon eBay |
| 193-0551-02 | Map, Sensor | 1 | Sensor | Amazon eBay |
| 503-2223 | Hose, Breather | 1 | Hose | Amazon eBay |
| 503-2233 | Hose, Crank Case - Vent | 1 | Hose | Amazon eBay |
| 511-0161-21 | Belt, Serpentine - 6 Groove | 1 | Belt | Amazon eBay |
| YC22-8575-AA | Thermostat - 192F, optional (Ford Part Number) | 1 | Thermostat | Amazon eBay |
| 123-2176 | Separator, Oil | 1 | Service part / kit | Amazon eBay $61.00 |
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.
Available documents
Spec sheet — Cummins-125-GGHJ-Ford-V10T-6.8L (Cummins/Onan)Spec sheet — NAS-5524-EN (Cummins/Onan)Spec sheet — NAS-5630-EN (Cummins/Onan)Reference (Cummins/Onan)Parts manual — 0928-0245 I32 202105 (Cummins/Onan)