Facts About Generators
GeneratorsDirectoryEnginesControllersPartsManufacturersGuides
Search models or part #
Home›Kohler›Kohler 30RFZ

Kohler 30RFZ Generator Set

The Kohler 30RFZ is a 27 kW (34 kVA) Gasoline standby generator set powered by a Ford CSG-649 engine. It is available at 110/220 V, 110/190 V, 220/380 V, 230/400 V, 240/416 V and 120/208 V, 3-phase, 50 Hz and rated 89 A. It holds about 6.6 L (1.7 gal) of oil and 20.1 L (5.3 gal) of coolant, with a maximum ambient rating of 40 °C. The set measures 2242×737×1059 mm (88.3×29.0×41.7 in). The same CSG-649 engine also powers generator sets from Industrial Engines.

27 kW
Standby
4.951 L
Displacement
6.6 L
Oil capacity
1
Document types

How to read your Kohler serial & model number →

Specifications

FuelGasoline
Frequency50.0 Hz
Standby power27 kW
Standby kVA34
Prime power24 kW
Oil capacity6.6 L
AlternatorKohler 4P5
Voltage options110/220 V, 110/190 V, 220/380 V, 230/400 V, 240/416 V, 120/208 V
Phase3
Rated current89 A
Power factor0.8
Coolant capacity20.1 L
Max ambient40 °C
Dimensions (L×W×H)2242×737×1059 mm

Engine

Ford CSG-649
Oil capacity6.6 L
Coolant capacity28.8 L
Displacement4.951 L
AspirationNatural Aspiration
Rated speed1800 rpm

Maintenance & consumables

for the Ford CSG-649
ItemSpecCapacityPart #Interval
Air filter— find
Fuel filter— find
Oil filter— find
Belt— find
Coolant—
Coolant filter— find
Oil—

Common questions

What is the power rating of the Kohler 30RFZ?

The Kohler 30RFZ is rated 27 kW standby (34.0 kVA).

What engine does the Kohler 30RFZ use?

The Kohler 30RFZ is powered by the Ford CSG-649 engine.

What fuel does the Kohler 30RFZ use?

The Kohler 30RFZ runs on Gasoline.

What is the oil capacity of the Kohler 30RFZ?

The Ford CSG-649 engine in the Kohler 30RFZ has an oil capacity of 6.6 liters.

What alternator does the Kohler 30RFZ use?

The Kohler 30RFZ uses a Kohler 4P5 alternator.

Parts

72
Part #DescriptionQtySystem
12A199Duraspark Il Ignition ModuleIgnition module PartsGeek
255264Switch, low water temperature1Sensor PartsGeek
271425Switch, oil pressure1Sensor PartsGeek
343160Switch, high water temperature1Sensor PartsGeek
345207Vacuum switch1Sensor PartsGeek
41085-1DREMOVAL AND INSTALLATIONRemoval and installation PartsGeek
41086-1DDISASSEMBLY AND ASSEMBLY (Continued)Disassembly and assembly continued PartsGeek
41092-1ESTARTER DRIVE REPLACEMENTStarter drive replacement PartsGeek
41372-2CMILLED GEARSMilled gears PartsGeek
82322.1DGASKETGasket PartsGeek
82630-18FABRICATED ADAPTER FITTINGFabricated adapter fitting PartsGeek
A218Cylinder head gasketGasket PartsGeek
A2232-1EFEELER GAUGEGauge PartsGeek
A2274-1BCoolantFluid PartsGeek
A2857-0Valve lifterValve lifter PartsGeek
A2868-APlastigagePlastigage PartsGeek
A2895-1BSTRAIGHT EDGEStraight edge PartsGeek
A2897-1CSeat Width ScaleSeat width scale PartsGeek
A2901-1CAVS B= VERTICAL TAPER C VS D == HORIZONTAL TAPER A VSC AND B VS D = OUT OF ROUND CHECK FOR OUT-OF-ROUND AT EACH END OF JOURNALOut of round checker PartsGeek
A2905-4Oil PanOil pan PartsGeek
A29B-1ATAPPET BLEED DOWN WRENCHTool PartsGeek
A2K32-1ECylinder head gasketGasket PartsGeek
A3196-1DSTUDHardware PartsGeek
A3245-1CINSTALLATION OF CYLINDER HEADInstallation guide PartsGeek
A3453-1EValve Face AngleValve face angle PartsGeek
A4B70-14INSTALLATION OF CYLINDER HEADInstallation guide PartsGeek
A5765-18front cover seal remover tool1Tool PartsGeek
A9077-1ACRANKSHAFT VIBRATION DAMPERCrankshaft vibration damper PartsGeek
A9401-10Straight EdgeStraight edge PartsGeek
A9402-1A4RING GROOVE CLEANER (TOOL - D81L-6002-D)Ring groove cleaner PartsGeek
A9621-18D78P-4201-GDial indicator PartsGeek
A9623-1APUSH ROD + PPush rod PartsGeek
A9625-1AVALVE SPRING PRESSURE TESTER - 4Valve spring pressure tester PartsGeek
AB76S-1CFeeler GaugeFeeler gauge PartsGeek
AN87-16LOCATION FOR 5/16" - 18 LIFTING EYELocation marking PartsGeek
B4082-20Blue Grommet-Duraspark 11Grommet PartsGeek
B4084.24Spark PlugsSpark plug PartsGeek
D78P-4201-GVALVE STEM INDICATORDial indicator PartsGeek
D81P-6002-EVALVE SEAT RUNOUT GAUGEValve seat runout gauge PartsGeek
J1083-1NSTARTER RELAYStarter relay PartsGeek
J1086-2MVOLTMETER CARBON PILE RHEOSTATVoltmeter carbon pile rheostat PartsGeek
J1087-1GARMATURE OPEN CIRCUIT TESTArmature open circuit test PartsGeek
J1088.16ARMATURE AND FIELD GROUNDED CIRCUIT TESTArmature and field grounded circuit test PartsGeek
J2574-1BGASOLINE ENGINEEngine PartsGeek
J3566-1ADISCONNECT HOLDING COIL GROUND LEAD (FINE WIRE INSIDE FRAME)Disconnect holding coil ground lead PartsGeek
J3567-2ADISASSEMBLY AND ASSEMBLYDisassembly and assembly PartsGeek
T70P-68070-Afront cover seal installer tool1Tool PartsGeek
T70P-68070-Bfront cover seal removing tool2Tool PartsGeek
T74P-6666-ASPARK PLUG WIRE REMOVAL TOOL1Spark plug wire removal tool PartsGeek
2811-18OIL RING SPACERService part / kit PartsGeek
3791535BOLT-377850-SService part / kit PartsGeek
42227-2ESTATOR WINDINGSService part / kit PartsGeek
42228-2DELECTRONIC VOLTAGE REGULATORService part / kit PartsGeek
539979005S/N 09592 need parts manualService part / kit PartsGeek
6565-ABCUP SHAPED ADAPTER TOOLService part / kit PartsGeek
A2176-20Identification DecalService part / kit PartsGeek
A2834-ABASIC ENGINE REMOVAL AND INSTALLATION (Continued)Service part / kit PartsGeek
A2843-26BASIC ENGINE REMOVAL AND INSTALLATION (Continued)Service part / kit PartsGeek
A3010-CLEANING AND INSPECTIONService part / kit PartsGeek
B4187-14Diaphragm AssemblyService part / kit PartsGeek
B5A-19554-Aoil resistant sealer1Service part / kit PartsGeek
B9A-14294-JSET OHMMETERService part / kit PartsGeek
BSA-14294-PAKKIT NO. BSA-14294-PAKService part / kit PartsGeek
CSG-649I-6005-FCondition: Refurbished Inspection per Factory manual - Preventive WARRANTY 90 DAYS PARTS by Ford CSG-649 Gasoline EnginesService part / kit PartsGeek
D78P-4201-FDIAL INDICATOR BRACKETRYService part / kit PartsGeek
DOAZ-19584-Apolyethylene greaseService part / kit PartsGeek
MMJN98-1Original Ford 134-172-192 CID Gasoline Engines Parts List ManualService part / kit PartsGeek
NUT..383256-S36WASHER —380097-S361Service part / kit PartsGeek
S2572-10Service part / kit PartsGeek
SCREW-20324SScrewService part / kit PartsGeek
SCREW-20346-SScrewService part / kit PartsGeek
WASHER.34806-5WasherService 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.

Fuel consumption

RatingLoadL/hgal/h
Prime25%2.0
Prime50%2.6
Prime75%3.1
Prime100%3.9

Available documents

Spec sheet — 44923002 kohler 30rz spec sheet (Kohler)

Other sets with this engine

Industrial Engines FNG 40Kohler 30 RZ