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Cummins/Onan GH-200 Generator Set

The Cummins/Onan GH-200 is a 2.8 kW (2.8 kVA) Gasoline, LPG prime generator set powered by a Cummins/Onan GH-200 engine. It is available at 220 V and 120 V, single-phase, 50 Hz and rated 9.1 A. It holds about 1 L (0.3 gal) of oil and 0.8 L (0.2 gal) of coolant. Starting uses group-360 battery rated 360 CCA at 12 V.

1.9 L
Displacement
1.0 L
Oil capacity
0
Document types

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

Service parts for the GH-200

Grouped by system, with how many of each the parts manual calls for.

Air intake

1 required
F51757-4Air filtersee priceAmazon

Fuel system

1 required
FS1756-2Fuel filtersee priceAmazon

Oil system

1 required
G1207-68Oil filtersee priceAmazon

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

FuelGasoline, LPG
Frequency50.0 Hz
Prime power2.8 kW
Oil capacity1.0 L
Voltage options220 V, 120 V
PhaseSingle Phase
Rated current[9.1, 23.3, 20.8] A
Battery group['360']
Battery cranking[360] CCA
Battery voltage['12-Volt'] V

Engine

Cummins/Onan GH-200
Oil capacity0.8 L
Coolant capacity0.8 L
Displacement1.9 L
Aspirationnaturally aspirated
Rated speed3600 rpm

Maintenance & consumables

for the Cummins/Onan GH-200
ItemSpecCapacityPart #Interval
Air filterAir FilterF51757-4500 hr Amazon eBay
Fuel filterFuel FilterFS1756-2100 hr Amazon eBay
Oil filterOil level indicatorG1207-68 Amazon eBay
BatteryKeep the battery case clean and dry. Make certain that the battery cable connections are clean and tight.—150 hr
Belt—100 hr
Coolant0.8—100 hr
Coolant filter—
OilAPI SG1.0 L—100 hr
Spark plugGap 0.025 in—1000 hr

Common questions

What engine does the Cummins/Onan GH-200 use?

The Cummins/Onan GH-200 is powered by the Cummins/Onan GH-200 engine.

What kind of fuel does the Cummins/Onan GH-200 run on?

The Cummins/Onan GH-200 runs on Gasoline, LPG.

What is the oil capacity of the Cummins/Onan GH-200?

The Cummins/Onan GH-200 engine in the Cummins/Onan GH-200 has an oil capacity of 0.8 liters.

What is the cooling system capacity of the Cummins/Onan GH-200?

The Cummins/Onan GH-200 cooling system holds 0.8 liters (0.2 US gallons) for the engine, per the manufacturer specification sheet.

What voltages is the Cummins/Onan GH-200 available in?

The Cummins/Onan GH-200 is offered in 220 V, 120 V, Single Phase-phase.

What size battery does the Cummins/Onan GH-200 need?

The Cummins/Onan GH-200 uses ['12-Volt'] V each, [360] CCA, group ['360'], per the manufacturer specification sheet.

What oil filter does the Cummins/Onan GH-200 use?

The Cummins/Onan GH-200 uses oil filter part number G1207-68.

Which fuel filter part number does the Cummins/Onan GH-200 take?

The Cummins/Onan GH-200 uses fuel filter part number FS1756-2.

What air filter does the Cummins/Onan GH-200 use?

The Cummins/Onan GH-200 uses air filter part number F51757-4.

Troubleshooting

24

Symptoms & remedies

SymptomCauseRemedy
Fails to crankLow batteryCheck battery electrolyte level
Fails to crankPoor battery connectionClean and tighten all battery cable connections
Fails to crankBlown fuseReplace fuse on control panel
Cranks slowlyLow batteryCheck battery electrolyte level
Cranks slowlyBad battery connectionClean and tighten all battery and cable connections
Cranks slowlyOil is too heavyReplace with lighter oil
Cranks slowlyElectrical load connected
Cranks but won't startFuel below genset pickup level in tank
Cranks but won't startFuel supply shutoff valve closed
Cranks but won't startCarbon deposits on spark plug
Cranks but won't startLow oil level
Exhausting black smokeRich fuel mixture
Exhausting black smokeDirty air filter
Exhausting black smokeChoke stuck or out of adjustment
Unit runs then stops or stops when driving around a cornerLow on fuel
Unit runs then stops or stops when driving around a cornerLow oil level
Unit runs then stops or stops when driving around a cornerExcess oil
Unit runs then surgesLoose or defective spark plug lead
Unit runs then surgesIgnition coil, wiring, or control components defective
Unit runs then surgesFaulty spark plug
Unit runs then surgesGovernor out of adjustment
Unit runs then surgesCombustion air preheat malfunction
Circuit breaker trips (genset continues to operate)Overloaded circuit
Circuit breaker trips (genset continues to operate)Hot weather increasing load

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.

Parts

5
Part #DescriptionQtySystem
ES1684s-1Deluxe Remote Control Panel1Remote control panel Amazon eBay
F51757-4Air Filter1Air filter Amazon eBay
FS1756-2Fuel Filter1Fuel filter Amazon eBay
G1207-68Oil Level Indicator1Oil filter Amazon eBay
sc1463-2Utility Power Cord for Switching BreakerService part / kit Amazon eBay

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
Prime100%0.431.6

Available documents

Service manual — 0981-0136 (Onan)Service manual — 981-0136 Onan KV (spec C-D) MicroLite 2800 series RV Genset Operator's Manual (06-1993) (Onan)

This page was generated from the 2 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.

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