HomeCummins/OnanCummins/Onan P2500I

Cummins/Onan P2500I Generator Set

The Cummins/Onan P2500I is a 2200 kW (2500 kVA) Unleaded Gasoline, 10% Ethanol or less standby generator set powered by a Ducar engine. It is available at 120 V, Single-phase, 60 Hz and rated 20.8 A. It holds about 0.37 L (0.1 gal) of oil. The set measures 501.65×266.7×463.55 mm (19.8×10.5×18.2 in), weighs about 21 kg (46 lb) and produces 52 dBA. An integrated tank holds 3.8 L (1.0 gal), roughly 10 hours of runtime.

2200 kW
Standby
0.98 L
Displacement
0.37 L
Oil capacity
3
Document types

How to read your Cummins/Onan serial & model number →

Specifications

FuelUnleaded Gasoline, 10% Ethanol or less
Frequency60.0 Hz
Standby power2200 kW
Prime power2200 kW
EmissionsEPA, CARB
Oil capacity0.37 L
Voltage options120 V
PhaseSingle
Rated current20.8 A
Circuit breaker20 A
Dimensions (L×W×H)501×266×463 mm
Dry weight21 kg
Sound level52.0 dBA
Fuel tank3.8 L
Tank runtime10 hr

Engine

Ducar
Oil capacity0.37 L
Displacement0.98 L
Rated speed5500 rpm

Maintenance & consumables

for the Ducar
ItemSpecCapacityPart #Interval
Air filterCheck, Clean* find
Fuel filterCheck/Clean, Replace find
Oil filterChange1000 hr find
Belt find
CoolantCheck/Clean
OilCheck Level, Change0.37 LA058U948 Amazon eBay

Common questions

What is the power rating of the Cummins/Onan P2500I?

The Cummins/Onan P2500I is rated 2200 kW standby.

What engine does the Cummins/Onan P2500I use?

The Cummins/Onan P2500I is powered by the Ducar engine.

What fuel does the Cummins/Onan P2500I use?

The Cummins/Onan P2500I runs on Unleaded Gasoline, 10% Ethanol or less.

What is the oil capacity of the Cummins/Onan P2500I?

The None Ducar engine in the Cummins/Onan P2500I has an oil capacity of 0.37 liters.

Parts

4
Part #DescriptionQtySystem
0541-1340Wheel Kit1Wheel kit buy
14L-A2Generator purpose Battery, Type 14L-A21Battery buy
A058U948Torch Spark plugSpark plug Amazon eBay
RL12YSpark plugSpark plug buy

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime
Standby
Standby25%
Standby50%2.270.6
Standby100%3.410.9

Available documents

Spec sheetReferenceService manual