The Cummins Onan DQBA generator is listed with standby output of 300 kW, Diesel fuel, 60 Hz operation, 24 V output, Three phase, and rated current of 12:00 AM.
Cummins Onan Generator Specifications
Generator • Diesel • 60 Hz • Three phase
Standby power: 300 kWVoltage options: 24 VRated current: 12:00 AM
Key specifications
300 kW Standby power
Diesel Fuel
24 V Voltage options
Three phase Phase
12:00 AM Rated current
60 Hz Frequency
How the Cummins Onan DQBA 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
8.98 gal
17% above avg
62nd 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 capacity8.98 gal
Low 1.81 galAverage 7.66 galHigh 13.73 gal
About 17% above the similar-output Cummins Onan average. Around the 62nd percentile for this field.
This model Peer average
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | DQBA |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 300 kW |
|---|---|
| Voltage options | 24 V |
| Phase | Three phase |
| Rated current | 12:00 AM |
Engine, cooling and controls
| Engine model | Cummins/Onan N14-G2 |
|---|---|
| Rated engine speed | 7300 rpm |
| Oil capacity | 8.98 gal (34 L) |
| Coolant capacity | 13.5 gal (51 L) |
| Controller | Detector |
Battery
| Battery group | 8D |
|---|---|
| Battery cranking | 1400 CCA |
| Battery voltage | 12 V |
| Battery quantity | 2 |
Fuel system and runtime
| Fuel tank | 20.8 gal (78.8 L) |
|---|
Maintenance and service parts
| Engine oil | Interval: 50 hr; Capacity: 36 |
|---|---|
| Oil filter | Interval: 250 hr |
| Fuel filter | Interval: 4 hr |
| Coolant | Specification: Coolant |
| Coolant filter | Interval: 5060 hr |
| Belt | Interval: 3 hr |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.