The Cummins Onan C120D5 generator is listed with standby output of 96 kW, Diesel fuel, 50 Hz operation, 4 available voltage configurations, and A (U) / B (V) / C (W).
Generator • Diesel • 50 Hz • A (U) / B (V) / C (W)
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
31.4 kW
31.8 kW
96 kW
87 kW
How the Cummins Onan C120D5 compares
This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.
About 3% above the similar-output Cummins Onan average. Around the 59th percentile for this field.
About 14% below the similar-output Cummins Onan average. Around the 62nd percentile for this field.
About 4% above the similar-output Cummins Onan average. Around the 62nd percentile for this field.
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | C120D5 |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 50 Hz |
Electrical output
| Standby power | 96 kW |
|---|---|
| Prime power | 87 kW |
| Standby kVA | 120.0 |
| Voltage options | 50 V, 480/277 V, 380/220 V, 220/127 V |
| Phase | A (U) / B (V) / C (W) |
| Power factor | 0.8 |
Engine, cooling and controls
| Engine model | Cummins/Onan 6BT5.9-G6 |
|---|---|
| Engine displacement | 360 cu in (5.9 L) |
| Aspiration / cooling | Turbocharged |
| Rated engine speed | 1800 rpm |
| Engine oil capacity | 4.33 gal (16.4 L) |
| Engine coolant capacity | 6.5 gal (24.6 L) |
| Oil capacity | 4.33 gal (16.4 L) |
| Coolant capacity | 6.02 gal (22.8 L) |
| Maximum ambient | 171 °F (77 °C) |
| Controller | PowerCommand |
| Emissions | Tier 1 |
Physical specifications
| Dry weight | 3, 060 lb (1, 388 kg) |
|---|---|
| Wet weight | 4, 244 lb (1, 925 kg) |
| Dimensions (L × W × H) | 123.8 × 42.9 × 73.4 in (3145 × 1090 × 1865 mm) |
Battery
| Battery quantity | 1 |
|---|
Fuel system and runtime
| Fuel tank | 66 gal (250 L) |
|---|
Fuel consumption
| Standby | 27 L/h |
|---|---|
| Prime | 24 L/h |
Maintenance and service parts
| Engine oil | Specification: Lubrication system oil capacity; Capacity: 16.4 l |
|---|---|
| Oil filter | Specification: Oil and fuel filter fitted, water separator. |
| Air filter | Specification: Normal duty air filter. |
| Coolant | Specification: Coolant capacity (engine and radiator); Capacity: 22.8 l |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.