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Cummins Onan GEAB Specs (Power | Fuel Consumption)

The Cummins Onan GEAB generator is listed with standby output of 12 kW, Natural Gas, Propane fuel, 60 Hz operation, 12 V output, Single phase, and rated current of 65 A.

Cummins Onan Generator Specifications

Generator • Natural Gas, Propane • 60 Hz • Single phase

Standby power: 12 kWVoltage options: 12 VRated current: 65 A

Key specifications

12 kW Standby power
Natural Gas, Propane Fuel
12 V Voltage options
Single phase Phase
65 A Rated current
60 Hz Frequency

Useful generator charts

Charts are shown only when this model has enough usable source data.

Power output
Low 10 kW High 12 kW
Standby

12 kW

Prime

10 kW

Model spec snapshot
Representative numeric specifications from this generator.
12 kWStandby
65 ACurrent

How the Cummins Onan GEAB compares

This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.

Standby power
12 kW
92% above avg
87th percentile
Rated current
65 A
114% above avg
92nd percentile
Oil capacity
1.06 gal
35% above avg
70th percentile
Standby power12 kW
Low 1 kWAverage 6.2 kWHigh 14 kW

About 92% above the similar-output Cummins Onan average. Around the 87th percentile for this field.

Rated current65 A
Low 5 AAverage 30 AHigh 80 A

About 114% above the similar-output Cummins Onan average. Around the 92nd percentile for this field.

Oil capacity1.06 gal
Low 0.15 galAverage 0.78 galHigh 1.66 gal

About 35% above the similar-output Cummins Onan average. Around the 70th percentile for this field.

This model Peer average

Generator information

Manufacturer Cummins Onan
Model GEAB
Generator type Generator
Fuel Natural Gas, Propane
Frequency 60 Hz

Electrical output

Standby power 12 kW
Prime power 10 kW
Voltage options 12 V
Phase Single phase
Rated current 65 A
Power factor 0.8

Engine, cooling and controls

Engine model Onan Modified Ford 4-cyl.
Engine oil capacity 1.19 gal (4.5 L)
Engine coolant capacity 3.04 gal (11.5 L)
Oil capacity 1.06 gal (4 L)
Coolant capacity 3.04 gal (11.5 L)

Battery

Battery voltage 12 V

Fuel consumption

Prime 25%; 50%; 75%; 100%

Maintenance and service parts

Engine oil Interval: 200 hr; Specification: Change Crankcase Oil and Filter X5
Air filter Interval: 200 hr; Specification: Check Air Cleaner Xx X xX xX Check or Replace Spark Plugs X
Coolant Interval: 90 hr; Specification: Check 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).; Capacity: 11.0 L
Belt Interval: 500 hr; Specification: Inspect the belt at the recommended intervals. Replace a worn or damaged belt before belt failure occurs.

Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.

Ernie Lo

Ernie Lo is a qualified web designer and web developer. He works as an IT support technician and website manager at Benleigh Vending, and he also fixes vending machines.

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