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Home›Kohler›Kohler 38RCL

Kohler 38RCL Generator Set

The Kohler 38RCL is a 38 kW (38 kVA) Natural Gas and LPG standby generator set powered by a Kohler KG2204T engine. It is available at 120/240 V, 120/208 V, 127/220 V and 277/480 V, 60 Hz. It holds about 4.2 L (1.1 gal) of oil and 13.2 L (3.5 gal) of coolant, with a maximum ambient rating of 45 °C. Starting uses 1 group-24 battery rated 630 CCA at 12 V. The set measures 1880×836×1169 mm (74.0×32.9×46.0 in), weighs about 621 kg (1369 lb) and produces 61 dBA at 7 m.

38 kW
Standby
2.2 L
Displacement
4.2 L
Oil capacity
7
Document types

How to read your Kohler serial & model number →

Specifications

FuelNatural Gas and LPG
Frequency60.0 Hz
Standby power38 kW
Standby kVA38
ControllerRDC2
Oil capacity4.2 L
Voltage options120/240 V, 120/208 V, 127/220 V, 277/480 V
Battery group24
Battery cranking630 CCA
Battery voltage12 V
Battery quantity1
Coolant capacity13.2 L
Max ambient45 °C
Dimensions (L×W×H)1880×836×1169 mm
Dry weight621 kg
Sound level61.0 dBA @ 7 m

Engine

Kohler KG2204T
Oil capacity4.2 L
Coolant capacity13.2 L
Displacement2.2 L
AspirationTurbocharged
Rated speed1800 rpm

Maintenance & consumables

for the Kohler KG2204T
ItemSpecCapacityPart #Interval
Air filter0A4637200 hr Amazon eBay $49.95
Fuel filter—200 hr find
Oil filter0A37970001200 hr Amazon eBay $16.00
Belt—200 hr find
Coolant17.0 L—
Oil5.7 L—150 hr

Common questions

What is the power rating of the Kohler 38RCL?

The Kohler 38RCL is rated 38 kW standby (38.0 kVA).

What engine does the Kohler 38RCL use?

The Kohler 38RCL is powered by the Kohler KG2204T engine.

What fuel does the Kohler 38RCL use?

The Kohler 38RCL runs on Natural Gas and LPG.

What is the oil capacity of the Kohler 38RCL?

The Kohler KG2204T engine in the Kohler 38RCL has an oil capacity of 4.2 liters.

Troubleshooting

3

Symptoms & remedies

SymptomCauseRemedy
ExplosionBattery short circuitsDisconnect the battery before generator set installation or maintenance. Remove all jewelry before servicing the equipment. Use tools with insulated handles. Remove the negative (--) lead first when disconnecting the battery. Reconnect the negative (--) lead last when reconnecting the battery.
Battery short circuitsDisconnect the battery before generator set installation or maintenance.
Gas fuel leaksCheck the LPG vapor or natural gas fuel system for leakage by using a soap and water solution with the fuel system test pressurized to 6--8 ounces per square inch (10--14 inches water column). Do not operate the generator set in the presence of fuel leaks, fuel accumulation, or sparks.

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

Parts

87
Part #DescriptionQtySystem
253107Element, Air Cleaner1Air filter Amazon eBay $69.00
254471Element, air cleaner1Air filter Amazon eBay $94.38
326230Block HeaterBlock heater buy
326231Block HeaterBlock heater buy
326232Block HeaterBlock heater buy
326233Block HeaterBlock heater buy
A-273699Air Cleaner Assembly1Air filter buy
GM103784Battery heater wrap1Battery heater wrap buy
GM103786Battery heater wrap1Battery heater wrap buy
GM104699Battery heater wrap1Battery heater wrap buy
GM104701Battery heater wrap1Battery heater wrap buy
GM104708Battery heater wrap1Battery heater wrap buy
GM16123Bracket, pulley1Belt buy
GM16151Retainer, spark plug wire (3)2Spark plug buy
GM16180Alternator, 70 amp1Alternator buy
GM22171Spark plug6Spark plug Amazon eBay
GM29608Sensor, coolant1Sensor buy
GM72292Sensor, O21Sensor buy
GM75153Retainer, 1 Wire Spark Plug6Spark plug buy
GM75154Distributor, HVS Ignition1Spark plug buy
GM75164Coil, Ignition HVS1Spark plug buy
GM79552RadiatorRadiator buy
GM82861Hose, Intake1Hose buy
GM82862Bracket, Air Cleaner1Air filter buy
GM86771Air Filter, Oil, qts. 5.0L GM837186.4 (14.1)Air filter buy
GM90232--CAir Intake Assy1Air filter buy
GM90232--FAir Intake Assy1Air filter buy
GM90232--GR1Air Intake Assy1Air filter buy
GM90232--GR2Air Intake Assy1Air filter buy
GM90280Air Cleaner Assy1Air filter buy
GM90281Element, Air Cleaner1Air filter kuduparts $43.00
GM91571Hose, Fuel Line1Hose buy
GM95583Hose, Air Intake1Hose buy
X-215-19Elbow, pipe (90 deg x 1/8”npt)1Hose buy
X-386-141Line, Flex2Hose buy
X-426-1Clamp, hose, 2.81/3.75 in.3Hose buy
X-426-2Clamp, hose, 2.31/3.25 in.2Hose buy
X-426-5Clamp, hose, 3.56/4.5 in.3Hose buy
X-426-9Clamp, hose, .25/.70 in.2Hose buy
X-6380-11Hose, Charged Air Cooler1Hose buy
X-672-40Clamp, Insulated1Hose buy
30RCLKOHLER 30RCL generatorService part / kit buy
GM16117Dipstick, oil 4.3L1Service part / kit buy
GM24341Fitting1Service part / kit buy
GM29586Valve, throttle, 60 mm1Service part / kit buy
GM29604Isolator, relay box2Service part / kit buy
GM69492Tube, 0.625 ID x 3 in.1Service part / kit buy
GM69516Washer, 3/82Service part / kit buy
GM69517Bolt, 5/16-18 x 3/4 skt hd, gr. 54Service part / kit buy
GM69524Bolt, M4 x .70 x 16 sht hd4Service part / kit buy
GM69525Stud, M6 x 1.0 x 304Service part / kit buy
GM69526Nut, M6 hex, flanged4Service part / kit buy
GM72311Bolt, M8-1.25 x 20 hxhd gr 8.84Service part / kit buy
GM72312Nut, M8-1.25 flange serrated1Service part / kit buy
GM72321Bolt, M8-1.25 x 20 flange head2Service part / kit buy
GM72584EPR assembly (dual fuel)1Service part / kit buy
GM75103Nut, Flange 1/4-20 Serrated2Service part / kit buy
GM75129Tube, Dipstick1Service part / kit buy
GM75138Harness Stationary, IEPR1Service part / kit buy
GM75144Bracket, Lifting Eye1Service part / kit buy
GM75160Loom, Split 1/4” 46 in.1Service part / kit buy
GM75161Yoke, HVS Dist Alignment1Service part / kit buy
GM75163Bracket, Ignition coil1Service part / kit buy
GM75220Oil Pressure Fitting1Service part / kit buy
GM75221Clamp, Dipstick1Service part / kit buy
GM75618Adapter, EPR, 3/4 NPT1Service part / kit buy
GM82973Mounting Bracket1Service part / kit buy
GM90277Pipe, Exhaust1Service part / kit buy
GM92075Figure 1-24 Coolant Fill (30RCL and 38RCLB shown)1Service part / kit buy
GM96976Valve, Dual Solenoid1Service part / kit buy
M125A-06-80Washer, Plain6Service part / kit buy
M125A-08-80Washer, Plain 8.4 ID x 16.0 OD8Service part / kit buy
M125A-10-80Washer, Plain 10.5 ID x 20.0 OD14Service part / kit buy
M6921-06016-60Screw, Hex Flnge M6x16mm flly thrd js5003Service part / kit buy
M6923-06-80Nut, Hex 6mm2Service part / kit buy
M931-08040-60Screw, Hex Cap2Service part / kit buy
M933-06010-60Screw, Hex Cap2Service part / kit buy
M933-06016-60Screw, hex cap, M6x16mm, js500 full thrd2Service part / kit buy
M933-08012-60Screw, Hex Cap2Service part / kit buy
M933-08016-60Screw, Hex Cap3Service part / kit buy
M934-08-60Nut, Hex1Service part / kit buy
M982-06-80Nut, hex elastic stop, 6MM4Service part / kit buy
M982-08-80Nut, hex elastic stop, 8MM2Service part / kit buy
X-25-40Washer, Plain, .281 ID X .625 in. OD2Service part / kit buy
X-284-7Grommet, round1Service part / kit buy
X-6047-31Channel, U1Service part / kit buy
X-75-10Plug, pipe (3/8” nptf)2Service part / kit 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
Standby3.4
Standby25%5.8
Standby50%9.3
Standby75%11.4
Standby100%13.9

Available documents

BrochureSpec sheetInstallation manualReferenceOwner's manualParts manualService manual

Other sets with this engine

Kohler 25CCLKohler 30CCLKohler 30RCLKohler 36CCL