HomeCummins/OnanCummins/Onan X2.5-G2

Cummins/Onan X2.5-G2 Generator Set

The Cummins/Onan X2.5-G2 is a 27 kW (32.7 kVA) standby generator set powered by a Cummins/Onan X2.5G2 engine. It is available at 12 V. It holds about 8 L (2.1 gal) of oil and 11 L (2.9 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 1036.5×687.5×823.5 mm (40.8×27.1×32.4 in) and weighs about 258 kg (569 lb).

27 kW
Standby
2.5 L
Displacement
8.0 L
Oil capacity
1
Document types

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

Specifications

Standby power27 kW
Prime power24 kW
Oil capacity8.0 L
Voltage options12 V
Coolant capacity11 L
Max ambient50 °C
Dimensions (L×W×H)1036×687×823 mm
Dry weight258 kg

Engine

Cummins/Onan X2.5G2
Oil capacity7.3 L
Coolant capacity11.0 L
Displacement2.5 L
AspirationNaturally aspirated
Rated speed1500 rpm

Common questions

What is the power rating of the Cummins/Onan X2.5-G2?

The Cummins/Onan X2.5-G2 is rated 27 kW standby.

What engine does the Cummins/Onan X2.5-G2 use?

The Cummins/Onan X2.5-G2 is powered by the Cummins/Onan X2.5G2 engine.

What is the oil capacity of the Cummins/Onan X2.5-G2?

The Cummins/Onan X2.5G2 engine in the Cummins/Onan X2.5-G2 has an oil capacity of 7.3 liters.

Parts

34
Part #DescriptionQtySystem
0193-0430-01Switch-Pressure1Sensor PartsGeek yemparts $67.75
0193-0432Thermostat1Thermostat PartsGeek
0502-1507Adapter-Hose (Oil)1Hose PartsGeek
0100-3922Engine-B3.3G11Service part / kit PartsGeek
0155-4215Guard-Exhaust (Support)2Service part / kit PartsGeek
0155-4311-02Guard-Exhaust1Service part / kit PartsGeek
0320-1981-01Accessories-CB (SD Contact)1Service part / kit PartsGeek
0320-1981-02Accessories-CB (Shunt Trip)1Service part / kit PartsGeek
0320-2225-01Accessories-CB (Shunt Trip)1Service part / kit PartsGeek
0320-2225-02Accessories-CB (SD Contact)1Service part / kit PartsGeek
0331-0618-02Locknut Conduit2Service part / kit PartsGeek
0332-4001-01Rail-Terminal Block (300mm)1Service part / kit PartsGeek
0337-3583-04Strap-Ground2Service part / kit PartsGeek
0338-4487Harness-Engine (Mechanical governor)1Service part / kit PartsGeek
0338-4720Harness-Engine (Electronic governor)1Service part / kit PartsGeek
0338-4819-02Harness AC1Service part / kit PartsGeek
0338-4819-03Harness AC1Service part / kit PartsGeek
0504-0264-01Valve-Hydraulic (Oil)1Service part / kit PartsGeek
0505-0019Bushing-Reducer1Service part / kit PartsGeek
0505-2235Adaptor-Pipe1Service part / kit PartsGeek
0526-0399-56Washer-Flat (M5)2Service part / kit PartsGeek
0526-0399-60Washer-Flat (M8)4Service part / kit PartsGeek
0526-0399-62Washer-Flat (M10)2Service part / kit PartsGeek
0800-0309-93Screw-Hex Head (M5)2Service part / kit PartsGeek
0800-3017-19Screw-Hex Head (M8 X 20)2Service part / kit PartsGeek
0800-3017-35Screw HHC (M10)1Service part / kit PartsGeek
0800-3017-37Screw-Hex Head (M10 X 25)2Service part / kit PartsGeek
0850-0114-52Washer-Lock (M5)2Service part / kit PartsGeek
0850-0114-54Washer-Lock (M8)2Service part / kit PartsGeek
0850-0114-55Washer-Lock (M10)2Service part / kit PartsGeek
0862-0026-55Nut-Hex (M8)2Service part / kit PartsGeek
0862-0026-56Nut Hex (M10)1Service part / kit PartsGeek
0872-0020-01Standoff2Service part / kit PartsGeek
0872-0021Standoff1Service part / kit PartsGeek

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
Base100%4.91.3
Prime100%6.01.6
Standby100%6.51.7

Available documents

Spec sheet — 0064190

Other sets with this engine