The Cummins Onan C70-D5 generator is listed with standby output of 56 kW, Diesel fuel, 50 Hz operation, and 7 available voltage configurations.
Generator • Diesel • 50 Hz
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
23.9 kW
20.4 kW
56 kW
50 kW
How the Cummins Onan C70-D5 compares
This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.
About 36% above the similar-output Cummins Onan average. Around the 99th percentile for this field.
About 7% above the similar-output Cummins Onan average. Around the 63rd percentile for this field.
About 13% above the similar-output Cummins Onan average. Around the 50th percentile for this field.
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | C70-D5 |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 50 Hz |
Electrical output
| Standby power | 56 kW |
|---|---|
| Prime power | 50 kW |
| Standby kVA | 70.0 |
| Voltage options | 254/440 V, 240/416 V, 230/400 V, 220/380 V, 127/220 V, 115/200 V, 110/190 V |
Engine, cooling and controls
| Engine model | Cummins/Onan 4BT3.9-G4 |
|---|---|
| Engine displacement | 239 cu in (3.92 L) |
| Aspiration / cooling | Turbocharged |
| Rated engine speed | 1500 rpm |
| Engine oil capacity | 2.88 gal (10.9 L) |
| Engine coolant capacity | 5.6 gal (21.2 L) |
| Oil capacity | 2.88 gal (10.9 L) |
| Coolant capacity | 5.6 gal (21.2 L) |
| Maximum ambient | 122 °F (50 °C) |
| Controller | PCC1300 |
Physical specifications
| Dry weight | 2, 344 lb (1, 063 kg) |
|---|---|
| Dimensions (L × W × H) | 76.8 × 42.7 × 58.3 in (1950 × 1084 × 1480 mm) |
Battery
| Battery voltage | 12 V |
|---|
Fuel system and runtime
| Fuel tank | 28 gal (106 L) |
|---|---|
| Tank runtime | 8 hr |
Fuel consumption
| Standby | 16 L/h |
|---|---|
| Prime | 15 L/h |
Maintenance and service parts
| Engine oil | Specification: Lubrication system oil capacity; Capacity: 10.9 l |
|---|---|
| Oil filter | Specification: Oil and fuel filter fitted, water separator |
| Air filter | Specification: Normal duty air filter |
| Coolant | Specification: Coolant capacity (only engine); Capacity: 7.2 l |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.