Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 53 kW |
| Standby kVA | 66 |
| Prime power | 48 kW |
| Emissions | EPA Tier 3 |
| Controller | PowerStart 600 |
| Oil capacity | 8.0 L |
| Alternator | UCI UCI22 4F/UC224E, UCI22 4G/UC224F |
| Voltage options | 163/125 V, 150/105 V |
| Phase | Wye, 3-phase |
| Power factor | 0.8 |
| Coolant capacity | 10.7 L |
| Max ambient | 55 °C |
| Dimensions (L×W×H) | 2277×1038×1937 mm |
| Dry weight | 1490 kg |
| Tank runtime | 12 hr |
Engine
| Oil capacity | 8.0 L |
|---|---|
| Aspiration | Turbocharged and after-cooled |
| Rated speed | 1500 rpm |
Common questions
What is the power rating of the Cummins/Onan C66D5R?
The Cummins/Onan C66D5R is rated 53 kW standby (66.0 kVA).
What engine does the Cummins/Onan C66D5R use?
The Cummins/Onan C66D5R is powered by the Cummins/Onan 4BTAA3.3-G14 engine.
What fuel does the Cummins/Onan C66D5R use?
The Cummins/Onan C66D5R runs on Diesel.
What is the oil capacity of the Cummins/Onan C66D5R?
The Cummins/Onan 4BTAA3.3-G14 engine in the Cummins/Onan C66D5R has an oil capacity of 8.0 liters.
What alternator does the Cummins/Onan C66D5R use?
The Cummins/Onan C66D5R uses a UCI UCI22 4F/UC224E, UCI22 4G/UC224F alternator.
Troubleshooting
5Fault codes
| Code | Meaning |
|---|---|
| 59 | High AC voltage shutdown |
| 27 | Low AC voltage shutdown |
| 81 u | Under frequency shutdown |
| 51 | High Current warning/shutdown |
| 81 o | Over frequency shutdown/warning |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 0% | 4.5 | 1.2 |
| Standby | 0% | 4.8 | 1.3 |
Available documents
Spec sheet — D-6568 (Cummins/Onan)Spec sheet — S-6569 (Cummins/Onan)Spec sheet — rental-generator-sets-rating-cards-international-50-60hz-10-2025Reference — 0075763