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Cummins/Onan GFBA Generator Set

The Cummins/Onan GFBA is a 185 kW (231 kVA) Dry Processed Natural Gas standby generator set powered by a Cummins/Onan GTA855-G1 engine. It is available at 120/208 V, 220/380 V, 347/600 V, 240/416 V, 254/440 V, 277/480 V, 120/240 V, 127/220 V and 139/240 V, single-phase and 60 Hz. It holds 97 L (25.6 gal) of coolant, with a maximum ambient rating of 40 °C. The set measures 3632×1524×1752 mm (143.0×60.0×69.0 in) and weighs about 2926 kg (6451 lb).

185 kW
Standby
14.0 L
Displacement
1
Document types

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Specifications

FuelDry Processed Natural Gas
Frequency60.0 Hz
Standby power185 kW
Standby kVA231
Prime power160 kW
ControllerPowerCommand
Voltage options120/208 V, 220/380 V, 347/600 V, 240/416 V, 254/440 V, 277/480 V, 120/240 V, 127/220 V, 139/240 V
Phasethree phase reconnectable / single phase non-reconnectable / three phase non-reconnectable
Power factor0.8
Battery voltage24-volt, negative ground V
Coolant capacity97 L
Max ambient40 °C
Dimensions (L×W×H)3632×1524×1752 mm
Dry weight2926 kg

Engine

Cummins/Onan GTA855-G1
Coolant capacity97.0 L
Displacement14.0 L
AspirationSpark ignited
Rated speed1500 rpm

Filters for the Cummins/Onan GTA855-G1

1

Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.

Listed for this engine in only one kind of machine, so they may depend on how the engine was installed:

SystemFilterDescriptionCross-references
Oil filterP551670Lube Filter, Spin-On Full FlowCUMMINS 298670, CUMMINS 299670, NAPA 1970, CARBOCOL 0026 FridayParts $26.68

Maintenance & consumables

for the Cummins/Onan GTA855-G1
ItemSpecCapacityPart #Interval
Oil filterSingle spin-on canister-combination full flow with bypass—

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
FuelDry Processed Natural Gas905 BTU per standard cubic foot lower heating valueRunning pressure to carburetor (after regulation) 5-7 in H2O (127-177 mm H2O); running pressure to engine mounted regulator 10-20 in H2O (254-508 mm H2O); minimum gas supply pipe size @ engine 2.0 in (50.8 mm); gas supply filter pressure rating 100 PSI (690 kPa). Propane (HD-5) also listed applicable at 8.5:1 compression.

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 is the power rating of the Cummins/Onan GFBA?

The Cummins/Onan GFBA is rated 185 kW standby (231.0 kVA).

Which engine powers the Cummins/Onan GFBA?

The Cummins/Onan GFBA is powered by the Cummins/Onan GTA855-G1 engine.

What kind of fuel does the Cummins/Onan GFBA run on?

The Cummins/Onan GFBA runs on Dry Processed Natural Gas.

What is the cooling system capacity of the Cummins/Onan GFBA?

The Cummins/Onan GFBA cooling system holds 97 liters (25.6 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the continuous rating of the Cummins/Onan GFBA?

The Cummins/Onan GFBA is rated 160 kW prime (200 kVA), against 185 kW standby.

What is the dry weight of the Cummins/Onan GFBA?

The Cummins/Onan GFBA has a dry weight of 2926 kg (6450 lb).

What voltages is the Cummins/Onan GFBA available in?

The Cummins/Onan GFBA is offered in 120/208 V, 220/380 V, 347/600 V, 240/416 V, 254/440 V, 277/480 V, three phase reconnectable / single phase non-reconnectable / three phase non-reconnectable-phase.

Available documents

Spec sheet — GTA855G1GFBA (Cummins/Onan)

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.