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Kohler COM6 Generator Set

The Kohler COM6 is a 6 kW Natural Gas or LP Vapor standby generator set powered by a Kohler CH20 engine. It is available at 24 V and 48 V, 3-phase and rated 230 A. It holds about 2 L (0.5 gal) of oil. Starting uses 1 group-500 battery rated 500 CCA at 12 V. The set measures 712×966×712 mm (28.0×38.0×28.0 in) and weighs about 193 kg (425 lb). The same CH20 engine also powers generator sets from AlphaGen.

6 kW
Standby
8.5 L
Displacement
2.0 L
Oil capacity
1
Document types

How to read your Kohler serial & model number →

Compare with other 5–10 kW Bi-Fuel (NG/LP) generators →

Specifications

FuelNatural Gas or LP Vapor
Standby power6 kW
EmissionsEPA: CARB: EXTENDED
ControllerIntegrated
Oil capacity2.0 L
AlternatorKohler COM6
Voltage options24 V, 48 V
Phase3-phase
Rated current230 A
Circuit breaker10A A
Battery group500 CCA at 0°F
Battery cranking500 CCA
Battery voltage12 V
Battery quantity1
Dimensions (L×W×H)712×966×712 mm
Dry weight193 kg

Engine

Kohler CH20
Oil capacity1.9 L
Coolant capacity0.0 L
Displacement8.5 L
Aspirationair-cooled
Rated speed3600 rpm

Maintenance & consumables

for the Kohler CH20
ItemSpecCapacityPart #Interval
Air filter24 083 02500 hr PartsGeek
Fuel filter find
Oil filter×151050200 hr PartsGeek
Belt find
Coolant
Oil5810321581032150 hr PartsGeek

Common questions

What is the power rating of the Kohler COM6?

The Kohler COM6 is rated 6 kW standby.

What engine does the Kohler COM6 use?

The Kohler COM6 is powered by the Kohler CH20 engine.

What fuel does the Kohler COM6 use?

The Kohler COM6 runs on Natural Gas or LP Vapor.

What is the oil capacity of the Kohler COM6?

The Kohler CH20 engine in the Kohler COM6 has an oil capacity of 1.9 liters.

What alternator does the Kohler COM6 use?

The Kohler COM6 uses a Kohler COM6 alternator.

What oil filter does the Kohler COM6 use?

The Kohler COM6 uses oil filter part number 51050.

What air filter does the Kohler COM6 use?

The Kohler COM6 uses air filter part number 24 083 02.

Troubleshooting

2

Symptoms & remedies

SymptomCauseRemedy
Generator does not startFault shutdown has occurred.Reset the controller following fault shutdown.
Remote starting failsCheck remote (immediate) or time delay starting connections and procedures.

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

Parts

33
Part #DescriptionQtySystem
12 050 01Oil filter1Oil filter Amazon eBay PartsGeek FridayParts $13.56
12 050 01-SFilter, oil1Oil filter Amazon eBay PartsGeek
12 132 02Spark plug1Spark plug PartsGeek
12 132 02-SSpark plug2Spark plug PartsGeek
24 050 01-SFilter, breather8Filter PartsGeek
24 083 02Precleaner element1Air filter PartsGeek
24 083 08Air cleaner element1Air filter PartsGeek
24 083 08-SElement, air filter1Air filter PartsGeek
24 083 09-SElement, air filter1Air filter PartsGeek
24 132 01Spark Plug2Spark plug PartsGeek
241927Sensor, speed1Sensor PartsGeek
25 132 14-SSpark plug (RFI)2Spark plug PartsGeek
269373Alternator Assembly5Alternator PartsGeek
745-020-B0-003Enclosure Grounding StudGrounding stud PartsGeek
A-358000A-JOxygen sensor plug1Oxygen sensor PartsGeek
ADV-6823-AAir Filter, Spark Plug Location1Air filter PartsGeek
BKR-8YU11Spark Plug, CH20/CH7404Spark plug eBay PartsGeek
GM28823Sensor, oil temperature1Sensor PartsGeek
GM29253-GA1Controller Wiring Diagram1Controller wiring diagram PartsGeek
223316Fuse, 10 A, 250 V5Service part / kit PartsGeek
24 083 02-SPre-cleaner8Service part / kit PartsGeek
24 083 05-SPre-cleaner8Service part / kit PartsGeek
292937Fuse, 20 A, 250 V5Service part / kit PartsGeek
345095Annual Maintenance Kit1Service part / kit PartsGeek
358337Fuse: Auxiliary Winding (F1) 10 Amp1Service part / kit PartsGeek
F-228605Kit, voltage regulator1Service part / kit PartsGeek
GM10064PCB assembly (relay controller)1Service part / kit PartsGeek
GM29671PCB assy, relay board 12V1Service part / kit PartsGeek
GM62345-SKP1-QSMaintenance Kit1Service part / kit PartsGeek
GM62346-SKP1-QSMaintenance Kit1Service part / kit PartsGeek
GM62347-SKP1-QSMaintenance Kit1Service part / kit PartsGeek
GM90365-SKP1-QSMaintenance Kit1Service part / kit PartsGeek
GM90366-SKP1-QSMaintenance Kit1Service part / kit PartsGeek

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.

Available documents

Owner's manual — tp5863 (Kohler)