The Cummins/Onan X2.5-G22 is a 19 kW (32.7 kVA) standby generator set powered by a Cummins/Onan X2.5-G22 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).
Heavy Duty Dry replaceable element with restriction indicator
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Fuel filter
Spin-on fuel filters with water separator
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Oil filter
Spin-on full flow filter
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Battery
12-volt
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Coolant
50% ethylene glycol; 50% water
11.0 l
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Oil
8.0 l
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Service specifications
1
Type
Item
Value
Unit
Condition
Temperature
Limiting ambient temp.** (°C)
50
°C
** @ 13 mm H20
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Recommended fluids
Fluid
Grade
Standard
Ambient
Capacity
Notes
Coolant
50% ethylene glycol; 50% water
11.0 l
Jacket Water After cooled cooling system design
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
What size generator is the Cummins/Onan X2.5-G22?
The Cummins/Onan X2.5-G22 is rated 19 kW standby.
What engine does the Cummins/Onan X2.5-G22 use?
The Cummins/Onan X2.5-G22 is powered by the Cummins/Onan X2.5-G22 engine.
What's the oil capacity on a Cummins/Onan X2.5-G22?
The Cummins/Onan X2.5-G22 engine in the Cummins/Onan X2.5-G22 has an oil capacity of 8.0 liters.