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Cummins/Onan X2.5 G4 Generator Set

The Cummins/Onan X2.5 G4 is a 28.7 kW standby generator set powered by a Cummins/Onan X2.5-G4 engine. It holds about 6.5 L (1.7 gal) of oil and 5.5 L (1.5 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 1005×700×803 mm (39.6×27.6×31.6 in) and weighs about 283 kg (624 lb).

28 kW
Standby
2.5 L
Displacement
6.5 L
Oil capacity
1
Document types

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Specifications

Standby power28 kW
Prime power25 kW
Oil capacity6.5 L
Coolant capacity5.5 L
Max ambient50 °C
Dimensions (L×W×H)1005×700×803 mm
Dry weight283 kg

Engine

Cummins/Onan X2.5-G4
Oil capacity8.0 L
Coolant capacity11.0 L
Displacement2.5 L
Aspirationnaturally aspirated

Common questions

How many kW is the Cummins/Onan X2.5 G4?

The Cummins/Onan X2.5 G4 is rated 28 kW standby.

What engine is in the Cummins/Onan X2.5 G4?

The Cummins/Onan X2.5 G4 is powered by the Cummins/Onan X2.5-G4 engine.

What's the oil capacity on a Cummins/Onan X2.5 G4?

The Cummins/Onan X2.5-G4 engine in the Cummins/Onan X2.5 G4 has an oil capacity of 8.0 liters.

What is the coolant capacity of the Cummins/Onan X2.5 G4?

The Cummins/Onan X2.5 G4 cooling system holds 5.5 liters (1.5 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the continuous rating of the Cummins/Onan X2.5 G4?

The Cummins/Onan X2.5 G4 is rated 25 kW prime, against 28 kW standby.

What is the dry weight of the Cummins/Onan X2.5 G4?

The Cummins/Onan X2.5 G4 has a dry weight of 283 kg (623 lb).

Fuel consumption

RatingLoadL/hgal/h
Base100%5.51.4
Prime25%2.50.5
Prime50%3.70.7
Prime75%5.31.4
Prime100%7.21.9
Standby100%8.02.1

Available documents

Spec sheet — X2.5-G4

This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.

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