The Cummins Onan 275 DFBF generator is listed with standby output of 275 kW, Diesel fuel, 60 Hz operation, and Three phase.
Cummins Onan Generator Specifications
Generator • Diesel • 60 Hz • Three phase
Standby power: 275 kW
Key specifications
275 kW Standby power
Diesel Fuel
Three phase Phase
60 Hz Frequency
How the Cummins Onan 275 DFBF compares
This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.
Standby power
275 kW
18% above avg
69th percentile
Oil capacity
10.49 gal
37% above avg
82nd percentile
Standby power275 kW
Low 150 kWAverage 232.8 kWHigh 354.6 kW
About 18% above the similar-output Cummins Onan average. Around the 69th percentile for this field.
Oil capacity10.49 gal
Low 1.81 galAverage 7.66 galHigh 13.73 gal
About 37% above the similar-output Cummins Onan average. Around the 82nd percentile for this field.
This model Peer average
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | 275 DFBF |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 275 kW |
|---|---|
| Standby kVA | 343.0 |
| Phase | Three phase |
| Power factor | 0.8 |
Engine, cooling and controls
| Engine model | Cummins/Onan NT855-G6 |
|---|---|
| Engine displacement | 854 cu in (14 L) |
| Aspiration / cooling | turbocharged |
| Rated engine speed | 1800 rpm |
| Engine oil capacity | 10.6 gal (40 L) |
| Engine coolant capacity | 17 gal (64.4 L) |
| Oil capacity | 10.5 gal (39.7 L) |
| Coolant capacity | 16.4 gal (62 L) |
Battery
| Battery voltage | 12 V |
|---|---|
| Battery quantity | 2 |
Maintenance and service parts
| Engine oil | Specification: SAE 10W-30 (-13°F to 95°F); SAE 15W-40 (-14°F and above); SAE 20W-40 (32°F and above); Capacity: 42.0 quarts |
|---|
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.