The Cummins Onan 25 GEAF generator is listed with standby output of 25 kW, multi-fuel fuel, 60 Hz operation, 120/240 V output, and Single phase.
Generator • multi-fuel • 60 Hz • Single phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
25 kW
25 kW
How the Cummins Onan 25 GEAF compares
This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.
About 21% above the similar-output Cummins Onan average. Around the 82nd percentile for this field.
About 40% below the similar-output Cummins Onan average. Around the 14th percentile for this field.
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | 25 GEAF |
| Generator type | Generator |
| Fuel | multi-fuel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 25 kW |
|---|---|
| Prime power | 25 kW |
| Standby kVA | 31.0 |
| Voltage options | 120/240 V |
| Phase | Single phase |
Engine, cooling and controls
| Engine model | Onan Modified Ford LRG-423 (Turbocharged) |
|---|---|
| Aspiration / cooling | Turbocharged |
| Engine oil capacity | 1.06 gal (4 L) |
| Engine coolant capacity | 2.91 gal (11 L) |
| Oil capacity | 1.06 gal (4 L) |
| Coolant capacity | 2.91 gal (11 L) |
| Controller | Engine Control Module |
Battery
| Battery voltage | 12 V |
|---|
Maintenance and service parts
| Engine oil | Interval: 200 hr; Specification: API viscosity grade for the temperature conditions |
|---|---|
| Oil filter | Interval: 200 hr |
| Fuel filter | Interval: 90 hr |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.