HomeCummins/OnanCummins/Onan GEAA

Cummins/Onan GEAA Generator Set

The Cummins/Onan GEAA is a 12.5 kW (12.5 kVA) Natural Gas, Propane standby generator set powered by a Onan Modified Ford 4-cyl. engine. It is available at 12 V, Single Phase-phase, 60 Hz and rated 65 A. It holds about 4 L (1.1 gal) of oil and 11.5 L (3.0 gal) of coolant.

12 kW
Standby
4.0 L
Oil capacity
3
Document types

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

Specifications

FuelNatural Gas, Propane
Frequency60.0 Hz
Standby power12 kW
Prime power10 kW
Oil capacity4.0 L
Voltage options12 V
PhaseSingle Phase
Rated current65 A
Power factor0.8
Battery voltage12 V
Coolant capacity11.5 L

Engine

Onan Modified Ford 4-cyl.
Oil capacity4.5 L
Coolant capacity11.5 L

Maintenance & consumables

for the Onan Modified Ford 4-cyl.
ItemSpecCapacityPart #Interval
Air filterCheck Air Cleaner Xx X xX xX Check or Replace Spark Plugs X200 hr find
Fuel filter find
Oil filterChange Crankcase Oil and Filter X5200 hr find
BeltInspect the belt at the recommended intervals. Replace a worn or damaged belt before belt failure occurs.500 hr find
CoolantCheck the coolant level during shutdown periods at the interval specified in Table 5-1. Use a 50/50 coolant solution (50% pure water and 50% antifreeze).11.0 L90 hr
Coolant filter find
OilChange Crankcase Oil and Filter X5200 hr

Common questions

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

The Cummins/Onan GEAA is rated 12 kW standby.

What engine does the Cummins/Onan GEAA use?

The Cummins/Onan GEAA is powered by the Onan Modified Ford 4-cyl. engine.

What fuel does the Cummins/Onan GEAA use?

The Cummins/Onan GEAA runs on Natural Gas, Propane.

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

The Onan Modified Ford 4-cyl. engine in the Cummins/Onan GEAA has an oil capacity of 4.5 liters.

Parts

3
Part #DescriptionQtySystem
928-0129Oil Filter2Oil filter buy
FS-1176sCrankcase Oil and FilterOil filter buy
LS1169sFILTER1Oil filter 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
Prime25%
Prime50%
Prime75%
Prime100%
Standby

Available documents

Installation manualParts manualService manual

Other sets with this engine