The Cummins Onan P2500I generator is listed with standby output of 2200 kW, Unleaded Gasoline, 10% Ethanol or less fuel, 60 Hz operation, 120 V output, Single phase, rated current of 20.8 A, and sound level of 52.0 dBA.
Generator • Unleaded Gasoline, 10% Ethanol or less • 60 Hz • Single phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
47,519.2 kW
55.6 kW
2,200 kW
2,200 kW
How the Cummins Onan P2500I compares
This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.
About 20% above the similar-output Cummins Onan average. Around the 74th percentile for this field.
About 94% below the similar-output Cummins Onan average. Around the 23rd percentile for this field.
About 100% below the similar-output Cummins Onan average. Around the 1st percentile for this field.
About 36% below the similar-output Cummins Onan average. Around the 5th percentile for this field.
About 100% below the similar-output Cummins Onan average. Around the 1st percentile for this field.
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | P2500I |
| Generator type | Generator |
| Fuel | Unleaded Gasoline, 10% Ethanol or less |
| Frequency | 60 Hz |
Electrical output
| Standby power | 2200 kW |
|---|---|
| Prime power | 2200 kW |
| Voltage options | 120 V |
| Phase | Single phase |
| Rated current | 20.8 A |
| Circuit breaker | 20 A |
Engine, cooling and controls
| Engine model | Ducar |
|---|---|
| Engine displacement | 60 cu in (0.98 L) |
| Rated engine speed | 5500 rpm |
| Engine oil capacity | 0.1 gal (0.4 L) |
| Oil capacity | 0.1 gal (0.4 L) |
| Emissions | EPA, CARB |
Physical specifications
| Dry weight | 46 lb (21 kg) |
|---|---|
| Dimensions (L × W × H) | 19.7 × 10.5 × 18.2 in (501 × 266 × 463 mm) |
| Sound level | 52.0 dBA |
Fuel system and runtime
| Fuel tank | 1 gal (3.8 L) |
|---|---|
| Tank runtime | 10 hr |
Fuel consumption
| Standby | 0.6 gal/h (2.27 L/h) @ 25%; 0.9 gal/h (3.41 L/h) @ 50%; 100% |
|---|
Maintenance and service parts
| Engine oil | Part number: A058U948; Specification: Check Level, Change; Capacity: 0.37 L |
|---|---|
| Oil filter | Interval: 1000 hr; Specification: Change |
| Fuel filter | Specification: Check/Clean, Replace |
| Air filter | Specification: Check, Clean* |
| Coolant | Specification: Check/Clean |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.