The Cummins Onan DFBJ generator is listed with standby output of 250 kW, 50 Hz operation, and Three phase.
Cummins Onan Generator Specifications
Generator • 50 Hz • Three phase
Standby power: 250 kW
Key specifications
250 kW Standby power
Three phase Phase
50 Hz Frequency
How the Cummins Onan DFBJ 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
250 kW
7% above avg
62nd percentile
Oil capacity
10.57 gal
38% above avg
89th percentile
Standby power250 kW
Low 150 kWAverage 232.8 kWHigh 354.6 kW
About 7% above the similar-output Cummins Onan average. Around the 62nd percentile for this field.
Oil capacity10.57 gal
Low 1.81 galAverage 7.66 galHigh 13.73 gal
About 38% above the similar-output Cummins Onan average. Around the 89th percentile for this field.
This model Peer average
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | DFBJ |
| Generator type | Generator |
| Frequency | 50 Hz |
Electrical output
| Standby power | 250 kW |
|---|---|
| Phase | Three phase |
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 | 10.6 gal (40 L) |
| Controller | Detector |
Battery
| Battery voltage | 24 V |
|---|
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.