Service parts for the 30RFZ
Grouped by system, with how many of each the parts manual calls for.
Belts
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Gasoline |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 27 kW |
| Standby kVA | 34 |
| Prime power | 24 kW |
| Oil capacity | 6.6 L |
| Alternator | 4P5 |
| Voltage options | 110/220 V, 110/190 V, 220/380 V, 230/400 V, 240/416 V, 120/208 V |
| Phase | 3 |
| Rated current | 89 A |
| Power factor | 0.8 |
| Coolant capacity | 20.1 L |
| Max ambient | 40 °C |
| Dimensions (L×W×H) | 2242×737×1059 mm |
Engine
| Oil capacity | 6.6 L |
|---|---|
| Coolant capacity | 28.8 L |
| Displacement | 4.951 L |
| Aspiration | Natural Aspiration |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Ford CSG-649| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | — | ||||
| Oil filter | — | ||||
| Battery | — | ||||
| Belt | BELT | D78P-4201-F | Amazon eBay | ||
| Coolant | 50% ethylene glycol and 50% clean, softened water | 28.8 L | — | ||
| Coolant filter | — | ||||
| Oil | — | ||||
| Spark plug | — |
Common questions
What size generator is the Kohler 30RFZ?
The Kohler 30RFZ is rated 27 kW standby (34.0 kVA).
What engine is in the Kohler 30RFZ?
The Kohler 30RFZ is powered by the Ford CSG-649 engine.
Is the Kohler 30RFZ diesel or gas?
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 comes on the Kohler 30RFZ?
The Kohler 30RFZ uses a 4P5 alternator.
Parts
89| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 12A199 | Duraspark Il Ignition Module | Ignition module | Amazon eBay | |
| 240976 | Switch, high temperature 268298 Sender, temperature | 1 | Sensor | Amazon eBay |
| 254471 | Element, air cleaner | 1 | Air filter | Amazon $24.99 eBay $54.34 |
| 255264 | Switch, low water temperature | 1 | Sensor | Amazon eBay |
| 258276 | Spark Plugs | 4 | Spark plug | Amazon eBay |
| 271425 | Switch, anticipatory | 1 | Sensor | Amazon eBay |
| 276206 | Hose, molded | 1 | Hose | Amazon eBay |
| 41085-1D | REMOVAL AND INSTALLATION | Removal and installation | Amazon eBay | |
| 41086-1D | DISASSEMBLY AND ASSEMBLY (Continued) | Disassembly and assembly continued | Amazon eBay | |
| 41092-1E | STARTER DRIVE REPLACEMENT | Starter drive replacement | Amazon eBay | |
| 41372-2C | MILLED GEARS | Milled gears | Amazon eBay | |
| 82322.1D | GASKET | Gasket | buy | |
| 82630-18 | FABRICATED ADAPTER FITTING | Fabricated adapter fitting | Amazon eBay | |
| A218 | Cylinder head gasket | Gasket | Amazon eBay | |
| A2232-1E | FEELER GAUGE | Gauge | Amazon eBay | |
| A2274-1B | Coolant | Fluid | Amazon eBay | |
| A2857-0 | Valve lifter | Valve lifter | Amazon eBay | |
| A2895-1B | STRAIGHT EDGE | Straight edge | Amazon eBay | |
| A2897-1C | Seat Width Scale | Seat width scale | Amazon eBay | |
| A2901-1C | AVS 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 JOURNAL | Out of round checker | Amazon eBay | |
| A2905-4 | Oil Pan | Oil pan | Amazon eBay | |
| A29B-1A | TAPPET BLEED DOWN WRENCH | Tool | Amazon eBay | |
| A2K32-1E | Cylinder head gasket | Gasket | Amazon eBay | |
| A3196-1D | STUD | Hardware | Amazon eBay | |
| A3245-1C | INSTALLATION OF CYLINDER HEAD | Installation guide | Amazon eBay | |
| A3453-1E | Valve Face Angle | Valve face angle | Amazon eBay | |
| A4B70-14 | INSTALLATION OF CYLINDER HEAD | Installation guide | Amazon eBay | |
| A5765-18 | front cover seal remover tool | 1 | Tool | Amazon eBay |
| A9077-1A | CRANKSHAFT VIBRATION DAMPER | Crankshaft vibration damper | Amazon eBay | |
| A9401-10 | Straight Edge | Straight edge | Amazon eBay | |
| A9402-1A4 | RING GROOVE CLEANER (TOOL - D81L-6002-D) | Ring groove cleaner | Amazon eBay | |
| A9621-18 | D78P-4201-G | Dial indicator | Amazon eBay | |
| A9623-1A | PUSH ROD + P | Push rod | Amazon eBay | |
| A9625-1A | VALVE SPRING PRESSURE TESTER - 4 | Valve spring pressure tester | Amazon eBay | |
| AB76S-1C | Feeler Gauge | Feeler gauge | Amazon eBay | |
| AN87-16 | LOCATION FOR 5/16" - 18 LIFTING EYE | Location marking | Amazon eBay | |
| B4082-20 | Blue Grommet-Duraspark 11 | Grommet | Amazon eBay | |
| B4084.24 | Spark Plugs | Spark plug | buy | |
| B9A-14294-J | Blade Terminal | 1 | Blade terminal | Amazon eBay |
| D78P-4201-F | BELT | 1 | Belt | Amazon eBay |
| J1083-1N | STARTER RELAY | Starter relay | Amazon eBay | |
| J1086-2M | VOLTMETER CARBON PILE RHEOSTAT | Voltmeter carbon pile rheostat | Amazon eBay | |
| J1087-1G | ARMATURE OPEN CIRCUIT TEST | Armature open circuit test | Amazon eBay | |
| J1088.16 | ARMATURE AND FIELD GROUNDED CIRCUIT TEST | Armature and field grounded circuit test | buy | |
| J2574-1B | GASOLINE ENGINE | Engine | Amazon eBay | |
| J3566-1A | DISCONNECT HOLDING COIL GROUND LEAD (FINE WIRE INSIDE FRAME) | Disconnect holding coil ground lead | Amazon eBay | |
| J3567-2A | DISASSEMBLY AND ASSEMBLY | Disassembly and assembly | Amazon eBay | |
| T70P-68070-A | front cover seal installer tool | 1 | Tool | Amazon eBay |
| T70P-68070-B | front cover seal removing tool | 2 | Tool | Amazon eBay |
| T74P-6666-A | Spark Plug Wire Remover | 1 | Spark plug | Amazon eBay |
| X-577-41 | Hose | 1 | Hose | Amazon eBay |
| X-797-2 | Hose, flex | 1 | Hose | Amazon eBay |
| 276370 | Engine Block Heater Service Kit Tank Type 30RZ 120V | 1 | Service part / kit | Amazon eBay |
| 276371 | Engine Block Heater Service Kit Tank Type 30RZ 240V | 1 | Service part / kit | Amazon eBay |
| 2811-18 | OIL RING SPACER | Service part / kit | Amazon eBay | |
| 285127 | Silencer Industrial I-N (Table 1) | 1 | Service part / kit | Amazon eBay |
| 285775 | Silencer Residential R-M (Table 1) | 1 | Service part / kit | Amazon eBay |
| 286788 | Silencer Critical C-BM (Table 1) | 1 | Service part / kit | Amazon eBay |
| 290483 | Silencer Residential R-BM (Table 1) | 1 | Service part / kit | Amazon eBay |
| 290484 | Silencer Residential R-N (Table 1) | 1 | Service part / kit | Amazon eBay |
| 290495 | Silencer Critical C-M (Table 1) | 1 | Service part / kit | Amazon eBay |
| 290496 | Silencer Critical C-N (Table 1) | 1 | Service part / kit | Amazon eBay |
| 326222 | Block Heater | Service part / kit | Amazon eBay | |
| 326224 | Block Heater | Service part / kit | Amazon eBay | |
| 326230 | Installed Block Heater Kit (120V) | Service part / kit | Amazon eBay | |
| 326231 | Installed Block Heater Kit (240V) | Service part / kit | Amazon eBay | |
| 343160 | Switch, high water temperature | 1 | Service part / kit | Amazon eBay |
| 345207 | Switch, vacuum | 1 | Service part / kit | Amazon eBay |
| 3791535 | BOLT-377850-S | Service part / kit | Amazon eBay | |
| 42227-2E | STATOR WINDINGS | Service part / kit | Amazon eBay | |
| 42228-2D | ELECTRONIC VOLTAGE REGULATOR | Service part / kit | Amazon eBay | |
| 6565-AB | CUP SHAPED ADAPTER TOOL | Service part / kit | Amazon eBay | |
| A-258495 | LP Gas Mixer | 1 | Service part / kit | Amazon eBay |
| A2176-20 | Identification Decal | Service part / kit | Amazon eBay | |
| A2834-A | BASIC ENGINE REMOVAL AND INSTALLATION (Continued) | Service part / kit | Amazon eBay | |
| A2843-26 | BASIC ENGINE REMOVAL AND INSTALLATION (Continued) | Service part / kit | Amazon eBay | |
| A2868-A | INSTALLING AND MEASURING PLASTIGAGE | Service part / kit | Amazon eBay | |
| A3010- | CLEANING AND INSPECTION | Service part / kit | Amazon eBay | |
| B4187-14 | Diaphragm Assembly | Service part / kit | Amazon eBay | |
| B5A-19554-A | oil resistant sealer | 1 | Service part / kit | Amazon eBay |
| BSA-14294-PAK | KIT NO. BSA-14294-PAK | Service part / kit | Amazon eBay | |
| D78P-4201-G | DIAL INDICATOR | Service part / kit | Amazon eBay | |
| D81P-6002-E | VALVE SEAT RUNOUT GAUGE | Service part / kit | Amazon eBay | |
| DOAZ-19584-A | Ford Polyethylene Grease | Service part / kit | Amazon eBay | |
| NUT..383256-S36 | WASHER —380097-S36 | 1 | Service part / kit | buy |
| S2572-10 | Service part / kit | Amazon eBay | ||
| SCREW-20324S | Screw | Service part / kit | Amazon Amazon eBay eBay | |
| SCREW-20346-S | Screw | Service part / kit | Amazon eBay | |
| WASHER.34806-5 | Washer | Service 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
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 25% | 7.57 | 2.0 |
| Prime | 50% | 9.84 | 2.6 |
| Prime | 75% | 11.73 | 3.1 |
| Prime | 100% | 14.76 | 3.9 |
Available documents
Spec sheet — 44923002 kohler 30rz spec sheet (Kohler)