The Cummins Onan 300 DFCB generator is listed with standby output of 300 kW, Diesel fuel, 60 Hz operation, and Three phase.
Cummins Onan Generator Specifications
Generator • Diesel • 60 Hz • Three phase
Standby power: 300 kW
Key specifications
300 kW Standby power
Diesel Fuel
Three phase Phase
60 Hz Frequency
How the Cummins Onan 300 DFCB 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
300 kW
29% above avg
77th percentile
Oil capacity
10.49 gal
37% above avg
82nd percentile
Standby power300 kW
Low 150 kWAverage 232.8 kWHigh 354.6 kW
About 29% above the similar-output Cummins Onan average. Around the 77th 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 | 300 DFCB |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 300 kW |
|---|---|
| Standby kVA | 375.0 |
| Phase | Three phase |
| Power factor | 0.8 |
Engine, cooling and controls
| Engine model | Cummins/Onan NTA855-G6 |
|---|---|
| Oil capacity | 10.5 gal (39.7 L) |
| Coolant capacity | 16.9 gal (64 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.