Service parts for the 40REOZJ
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredOil system
1 requiredBelts
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 40 kW |
| Standby kVA | 50 |
| Prime power | 38 kW |
| Emissions | Tier 3 |
| Controller | Decision-Maker 550 |
| Oil capacity | 8.5 L |
| Alternator | Fast-Response PMG (Class Class H insulation) |
| Voltage options | 480 V |
| Phase | 3-phase |
| Power factor | 0.8 |
| Battery cranking | 640 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 13.6 L |
| Engine jacket water | 5.7 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 2000×1040×1274 mm |
| Wet weight | 758 kg |
Engine
| Oil capacity | 8.5 L |
|---|---|
| Coolant capacity | 5.7 L |
| Displacement | 2.9 L |
| Aspiration | Turbocharged |
| Rated speed | 1800 rpm |
Filters for the John Deere 3029TF150
3Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Oil filter | P550020 | Lube Filter, Spin-On Full Flow | JOHN DEERE AR58956, JOHN DEERE AT19044T, NAPA 1243, RENAULT VI 0003132302 | KuduParts $23.00 FridayParts $25.67 |
| Fuel filter | P551130 | Fuel Filter, Box | JOHN DEERE AR50041, JOHN DEERE R16951, NAPA 3370, BALDWIN BF909 | KuduParts $37.00 |
| Fuel / water separator | P551423 | Fuel Filter, Water Separator Spin-On | JOHN DEERE RE503254, JOHN DEERE RE50455, NAPA 3531, NAPA 600091 | KuduParts $18.00 FridayParts $20.00 |
Maintenance & consumables
for the John Deere 3029TF150| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dry | 002175339000 | Amazon eBay $40.50 | ||
| Fuel filter | Secondary 8 Microns @ 98% Efficiency | GM91830 | Amazon eBay | ||
| Oil filter | 1, Cartridge | GM32809 | Amazon Amazon Amazon Amazon eBay $26.25 NAPA $28.76 | ||
| Belt | GM23828 | Amazon eBay | |||
| Coolant | 13.6 L | — | |||
| Oil | 8.5 L | — |
Service specifications
30| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Other | 10 in. weld flange bolt circle diameter B | 361.95 | mm (14.25 in.) | |
| Other | 10 in. weld flange outside diameter C | 406.4 | mm (16.0 in.) | |
| Other | 10 in. weld flange quantity of bolts / bolt hole diameter D | 12, 25.40 | mm (1.00 in.) | |
| Other | 12 in. weld flange bolt circle diameter B | 431.80 | mm (17.00 in.) | |
| Other | 12 in. weld flange outside diameter C | 482.6 | mm (19.0 in.) | |
| Other | 12 in. weld flange quantity of bolts / bolt hole diameter D | 12, 25.40 | mm (1.00 in.) | |
| Other | 14 in. weld flange bolt circle diameter B | 476.25 | mm (18.75 in.) | |
| Other | 14 in. weld flange outside diameter C | 533.4 | mm (21.0 in.) | |
| Other | 14 in. weld flange quantity of bolts / bolt hole diameter D | 12, 28.58 | mm (1.13 in.) | |
| Other | 16 in. weld flange bolt circle diameter B | 539.75 | mm (21.25 in.) | |
| Other | 16 in. weld flange outside diameter C | 596.9 | mm (23.5 in.) | |
| Other | 16 in. weld flange quantity of bolts / bolt hole diameter D | 16, 28.58 | mm (1.13 in.) | |
| Other | 18 in. weld flange bolt circle diameter B | 577.85 | mm (22.75 in.) | |
| Other | 18 in. weld flange outside diameter C | 635.0 | mm (25.0 in.) | |
| Other | 18 in. weld flange quantity of bolts / bolt hole diameter D | 16, 31.75 | mm (1.25 in.) | |
| Other | 20 in. weld flange bolt circle diameter B | 635.00 | mm (25.00 in.) | |
| Other | 20 in. weld flange outside diameter C | 698.5 | mm (27.5 in.) | |
| Other | 20 in. weld flange quantity of bolts / bolt hole diameter D | 20, 31.75 | mm (1.25 in.) | |
| Other | 5 in. weld flange bolt circle diameter B | 215.90 | mm (8.50 in.) | |
| Other | 5 in. weld flange outside diameter C | 241.30 | mm (9.50 in.) | |
| Other | 5 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | 6 in. weld flange bolt circle diameter B | 254.0 | mm (10.0 in.) | |
| Other | 6 in. weld flange outside diameter C | 279.4 | mm (11.0 in.) | |
| Other | 6 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | 8 in. weld flange bolt circle diameter B | 298.45 | mm (11.75 in.) | |
| Other | 8 in. weld flange outside diameter C | 342.9 | mm (13.5 in.) | |
| Other | 8 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | Weld flange angle A (10, 12, 14 in. nominal pipe size) | 30 | deg. | |
| Other | Weld flange angle A (16, 18, 20 in. nominal pipe size) | 22.5 | deg. | |
| Other | Weld flange angle A (5, 6, 8 in. nominal pipe size) | 45 | deg. |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Recommended fluids
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Fuel | #2 Diesel | Recommended fuel |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Voltage reconnection
| Voltage | Phase | Connection | Leads | Notes |
|---|---|---|---|---|
| 12-lead optional voltage connections | 12 | Alternator optional feature | ||
| 4-lead dedicated voltages | 4 | Alternator standard feature | ||
| 110/127/139/240/254/277 | single-phase | switchable | Towable generator model specifications; some models n/a | |
| 208/220/240/415/440/480 | 3-phase | reconnectable | Towable generator model specifications | |
| 208/220/240/415/440/480 | 3-phase | switchable | Towable generator model specifications |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
What is the power rating of the Kohler 40REOZJ?
The Kohler 40REOZJ is rated 40 kW standby (50.0 kVA).
Which engine powers the Kohler 40REOZJ?
The Kohler 40REOZJ is powered by the John Deere 3029TF150 engine.
What fuel does the Kohler 40REOZJ use?
The Kohler 40REOZJ runs on diesel.
How much oil does the Kohler 40REOZJ take?
The John Deere 3029TF150 engine in the Kohler 40REOZJ has an oil capacity of 8.5 liters.
How much coolant does the Kohler 40REOZJ hold?
The Kohler 40REOZJ cooling system holds 13.6 liters (3.6 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the continuous rating of the Kohler 40REOZJ?
The Kohler 40REOZJ is rated 38 kW prime (48 kVA), against 40 kW standby.
What voltages is the Kohler 40REOZJ available in?
The Kohler 40REOZJ is offered in 480 V, 3-phase-phase.
How many cold cranking amps does the Kohler 40REOZJ require?
The Kohler 40REOZJ uses 1 battery, 12 V each, 640 CCA, per the manufacturer specification sheet.
Which alternator is fitted to the Kohler 40REOZJ?
The Kohler 40REOZJ uses a Fast-Response PMG alternator. Insulation class Class H.
Which oil filter part number does the Kohler 40REOZJ take?
The Kohler 40REOZJ uses oil filter part number GM32809.
What fuel filter does the Kohler 40REOZJ use?
The Kohler 40REOZJ uses fuel filter part number GM91830.
What air filter fits the Kohler 40REOZJ?
The Kohler 40REOZJ uses air filter part number 002175339000.
Parts
155model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 222337 | Air Cleaner, Heavy Duty | 1 | Air filter | buy |
| 222338 | Air Cleaner, Heavy Duty | 1 | Air filter | buy |
| 223595 | Thermostat | 1 | Thermostat | eBay |
| 223604 | Filter, oil | 1 | Oil filter | Amazon eBay $13.00 |
| 223626 | Gasket | 1 | Gasket | buy |
| 223640 | Belt, 11/16 x 49 1/2 in. | 1 | Belt | Amazon eBay $149.99 |
| 223673 | Filter, oil | 1 | Oil filter | Amazon eBay $26.99 NAPA $35.41 KuduParts $14.00 |
| 223676 | Thermostat | 1 | Thermostat | Amazon eBay |
| 223762 | Thermostat Gasket | 1 | Gasket | buy |
| 223941 | Injector | 1 | Injector | buy |
| 223953 | Filter, fuel | 1 | Fuel filter | Amazon eBay $80.00 NAPA $56.25 |
| 223959 | Fan Belt | 1 | Belt | Amazon eBay |
| 223965 | Injector | 1 | Injector | buy |
| 224012 | Gasket | 1 | Gasket | Amazon eBay |
| 224171 | Injector | 1 | Injector | buy |
| 224256 | Fan Belt | 1 | Belt | Amazon eBay $29.99 |
| 224263 | Belt set (matched set of 2) | 1 | Belt | Amazon eBay $20.00 |
| 224299 | Injector | 1 | Injector | buy |
| 224795 | Filter, fuel (round) | 1 | Fuel filter | Amazon eBay |
| 241308 | Switch, high temperature | 1 | Sensor | Amazon eBay $182.00 |
| 241481 | Switch, high temperature 268298 Sender, water temperature | 1 | Sensor | Amazon eBay |
| 241623 | Sensor, ferromagnetic | 1 | Sensor | Amazon eBay |
| 241927 | Sensor, speed | 1 | Sensor | Amazon eBay $75.00 |
| 253107 | Element, Air Cleaner | 1 | Air filter | Amazon eBay $69.00 NAPA $55.23 |
| 253108 | Element, air cleaner | 1 | Air filter | Amazon eBay $71.99 |
| 254477 | Element, air cleaner | 1 | Air filter | Amazon eBay $59.99 |
| 254832 | Coolant Level Sensor (serial 363369 and after) | 1 | Sensor | buy |
| 255520 | Hose, reducer | 1 | Hose | Amazon eBay FridayParts $33.99 |
| 258883 | Cleaner assembly, air | 1 | Air filter | buy |
| 265461 | Line, flex. fuel, 18” | 1 | Hose | Amazon eBay |
| 268298 | Sender, water temperature | 1 | Sensor | Amazon eBay |
| 268371 | Alternator Assembly | 1 | Alternator | buy |
| 269373 | Alternator Assembly | 1 | Alternator | Amazon eBay |
| 273417 | Hose, upper radiator | 1 | Hose | Amazon eBay |
| 273418 | Hose, lower radiator | 1 | Hose | Amazon eBay |
| 273442 | Hose, hump 3 id x 5 1/2 | 1 | Hose | buy |
| 273443 | Hose, lower radiator | 1 | Hose | buy |
| 273444 | Hose, upper radiator | 1 | Hose | Amazon |
| 273462 | Hose, upper radiator | 1 | Hose | buy |
| 273520 | Sensor, low coolant | 1 | Sensor | Amazon eBay |
| 273692 | Adapter, water temperature sensor | 1 | Sensor | Amazon eBay |
| 273693 | O-ring, 1.475 ID x 0.118 in. rubber | 1 | Seal | Amazon eBay |
| 273758 | Pickup, RPM | 1 | Sensor | buy |
| 273777 | Hose, lower radiator | 1 | Hose | Amazon |
| 273930 | Hose, lower radiator | 1 | Hose | buy |
| 276574 | Hose, molded | 1 | Hose | Amazon |
| 282897 | Gauge, oil pressure | 1 | Sensor | Amazon eBay $20.00 |
| 291891 | Solenoid, starter | 1 | Starter | Amazon eBay $42.81 |
| 328006 | Hose, reducer (3.00 in. to 2.50 in. ID) | 1 | Hose | Amazon eBay |
| 328308 | Pressure Switch | 1 | Sensor | buy |
| 328309 | Switch assembly, pressure (oil pressure) | 1 | Sensor | Amazon eBay $45.00 |
| 336101 | Hose, upper radiator | 1 | Hose | buy |
| 336445 | Thermostat Gasket | 1 | Gasket | buy |
| 336545 | Fuel Filter | 1 | Fuel filter | Amazon eBay |
| 336923 | Switch, high temperature shutdown | 1 | Sensor | buy |
| 343473 | Sender, oil pressure | 1 | Sensor | eBay |
| 347270 | Sensor, low coolant (serial 363369 and after) | 1 | Sensor | buy |
| 352102 | Hose, upper radiator | 1 | Hose | buy |
| 352192 | Hose, upper radiator | 1 | Hose | buy |
| 352193 | Hose, lower radiator | 1 | Hose | buy |
| 352335 | Hose | 1 | Hose | buy |
| 352337 | Switch, sensor (water temp.) | 1 | Sensor | buy |
| 352505 | Switch, sensor (water temp.) | 1 | Sensor | buy |
| 352522 | Hose, upper radiator | 1 | Hose | buy |
| 352523 | Hose, lower radiator | 1 | Hose | buy |
| 352910 | Hose, 3 x 2.25 | 1 | Hose | buy |
| A-233999 | Heat sink | 1 | Heat sink | buy |
| A-253104 | Air cleaner assembly | 1 | Air filter | Amazon Amazon eBay eBay |
| A-273699 | Air Cleaner Assembly | 1 | Air filter | Amazon Amazon eBay eBay |
| A-273700 | Air cleaner | 1 | Air filter | buy |
| B-258545 | Heat sink | 1 | Heat sink | buy |
| X-312-41 | Hose, 5/8 x 4.5 in. | 1 | Hose | buy |
| X-373-10 | Hose, 3/4 ID x 66 in. | 1 | Hose | buy |
| X-373-11 | Hose, 3/4 ID x 60 in. | 1 | Hose | buy |
| X-373-12 | Hose, 3/4 ID x 78 in. (early) | 1 | Hose | buy |
| X-373-13 | Hose | 1 | Hose | buy |
| X-422-26 | Hose, bypass (thermostat) | 1 | Hose | buy |
| X-507-1 | Hose, reducer 2.5 ID x 2.25 ID | 1 | Hose | buy |
| X-577-38 | Hose, 0.625 in. ID x 20 in. | 1 | Hose | buy |
| X-577-47 | Hose, oil-proof | 1 | Hose | buy |
| X-577-8 | Hose, oil-proof | 1 | Hose | buy |
| X-577-9 | Hose, oil-proof | 1 | Hose | buy |
| X-6350-1 | Hose | 1 | Hose | buy |
| 223316 | Fuse, 10 A, 250 V | 1 | Service part / kit | Amazon eBay $31.37 |
| 224357 | Cap, radiator 7 psi (48 kPa), 3.16 in. | 1 | Service part / kit | buy |
| 224358 | Cap, radiator (7 psi) | 1 | Service part / kit | Amazon eBay |
| 238736 | Voltmeter | 1 | Service part / kit | Amazon eBay $549.00 |
| 241062 | Plug, drain | 1 | Service part / kit | Amazon eBay $24.00 |
| 243273 | Fuse, 3 amp | 5 | Service part / kit | Amazon eBay |
| 253329 | DC Voltmeter | 1 | Service part / kit | eBay |
| 255126 | Bulb (lamp no. 1892) | 1 | Service part / kit | Amazon eBay |
| 257020 | Fan, generator | 1 | Service part / kit | eBay $13.92 |
| 257077 | Actuator, magnetic | 1 | Service part / kit | eBay |
| 257080 | Exciter assembly | 1 | Service part / kit | eBay $205.23 |
| 257081 | Exciter assembly | 1 | Service part / kit | eBay |
| 257173 | Fan, generator | 1 | Service part / kit | eBay |
| 257569 | Exciter assembly, field | 1 | Service part / kit | buy |
| 257855 | Fan, generator | 1 | Service part / kit | eBay |
| 257963 | Exciter assembly, field | 1 | Service part / kit | buy |
| 259391 | Relay | 1 | Service part / kit | Amazon eBay $53.76 |
| 272701 | Valve, oil drain | 1 | Service part / kit | Amazon eBay |
| 273404 | Switch assembly, level (includes 47, 48 and 49) | 1 | Service part / kit | Amazon eBay |
| 273463 | Plug, 1-5/8–12 class 2A str. thd., 1/2–14 NPT tap | 1 | Service part / kit | Amazon eBay |
| 273716 | Solenoid, fuel shutoff | 1 | Service part / kit | buy |
| 276691 | Block Heater | 1 | Service part / kit | Amazon eBay |
| 276941 | Governor throttle kit (replaces governor ball joint linkage) | 1 | Service part / kit | Amazon eBay |
| 280133 | Cable, jumper | 1 | Service part / kit | buy |
| 282800 | AC Ammeter | 1 | Service part / kit | buy |
| 282801 | AC Ammeter | 1 | Service part / kit | buy |
| 282802 | AC Ammeter | 1 | Service part / kit | buy |
| 282803 | AC Ammeter | 1 | Service part / kit | buy |
| 282804 | AC Ammeter | 1 | Service part / kit | buy |
| 282805 | AC Ammeter | 1 | Service part / kit | buy |
| 282806 | AC Ammeter | 1 | Service part / kit | buy |
| 282807 | AC Ammeter | 1 | Service part / kit | buy |
| 282808 | AC Ammeter | 1 | Service part / kit | buy |
| 282814 | Alternator Assembly | 1 | Service part / kit | eBay |
| 282816 | *Voltmeter, AC | 1 | Service part / kit | buy |
| 282817 | AC Voltmeter | 1 | Service part / kit | buy |
| 282818 | *Meter, Frequency | 1 | Service part / kit | buy |
| 282898 | Strip, terminal (9-terminal) | 1 | Service part / kit | eBay |
| 283645 | Fuse, 15 Amp | 5 | Service part / kit | Amazon eBay |
| 291207 | Fuse, 1.5 amp | 1 | Service part / kit | Amazon eBay |
| 291269 | Heater, strip (anti-condensation) | 2 | Service part / kit | buy |
| 291740 | Rectifier or Coil | 1 | Service part / kit | Amazon eBay |
| 295069 | Meter, frequency | 1 | Service part / kit | Amazon eBay |
| 326228 | Block Heater | 1 | Service part / kit | Amazon eBay NAPA $75.00 |
| 347715 | Cap, radiator 9 psi (62 kPa) | 1 | Service part / kit | buy |
| 352565 | AC Ammeter | 1 | Service part / kit | buy |
| A-255041 | Potentiometer assembly | 1 | Service part / kit | eBay |
| A-257099 | Circuit board, FR-II activator | 1 | Service part / kit | Amazon eBay |
| A-336415 | Controller Includes * *Circuit Board, Dec-3+ Main | 1 | Service part / kit | buy |
| A-336430 | Indicator Board (variations 78, 79) | 1 | Service part / kit | buy |
| A-336432 | Main circuit board | 1 | Service part / kit | Amazon eBay $199.95 |
| B-258549 | HEATSINK ASSEMBLY | 1 | Service part / kit | buy |
| B-292357 | Indicator Board | 1 | Service part / kit | Amazon eBay |
| B-292789 | Regulator assembly, voltage | 1 | Service part / kit | buy |
| B-292902 | Photo Board / Split Activator | 1 | Service part / kit | Amazon eBay FridayParts $271.50 |
| C-255670 | Voltage Regulator | 1 | Service part / kit | Amazon eBay |
| G-292806 | Main Circuit Board | 1 | Service part / kit | Amazon eBay $550.00 |
| X-256-3 | Valve, drain | 1 | Service part / kit | Amazon eBay |
| X-256-5 | Valve, drain | 1 | Service part / kit | Amazon eBay |
| X-545-100 | Cable, battery | 1 | Service part / kit | buy |
| X-545-101 | Cable, battery | 1 | Service part / kit | buy |
| X-545-111 | Cable, battery | 1 | Service part / kit | buy |
| X-545-132 | Cable, battery | 1 | Service part / kit | buy |
| X-545-97 | Cable, battery | 1 | Service part / kit | buy |
| X-545-99 | Cable, battery | 1 | Service part / kit | buy |
| X-57-60 | Breaker, circuit | 1 | Service part / kit | buy |
| X-758-2 | Bearing, ball | 1 | Service part / kit | Amazon eBay $83.65 |
| X-758-6 | Bearing, ball | 1 | Service part / kit | Amazon eBay $50.00 |
| X-758-9 | Bearing, ball (4UAW) | 1 | Service part / kit | eBay |
| X-796-1 | Breaker, circuit (Kits PA-255127 and PA-255127-SD) | 1 | Service part / kit | buy |
| X-796-2 | Breaker, circuit (Kits PA-255130 and PA-255130-SD) | 1 | Service part / kit | buy |
| X-796-3 | Breaker, circuit (Kits PA-255131 and PA-255131-SD) | 1 | Service part / kit | buy |
Compiled from this model's family documentation — may include parts for closely-related variants. 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% | 4.1 | 1.1 |
| Prime | 50% | 6.4 | 1.7 |
| Prime | 75% | 8.8 | 2.3 |
| Prime | 100% | 11.0 | 2.9 |
| Standby | 25% | 4.4 | 1.2 |
| Standby | 50% | 7.0 | 1.8 |
| Standby | 75% | 9.6 | 2.5 |
| Standby | 100% | 12.2 | 3.2 |
Available documents
Spec sheet — Kohler-40REOZJB-spec-sheet (Kohler)Reference — 40-300REOZJ G6099 (Kohler)Reference — G6-39 0918AZ (Kohler)Reference — Katalog-promyshlennoj-produktsii (Kohler)Parts manual — tp5408 (Kohler)Service manual — tp5851 (Kohler)Service manual — tp6798 (Kohler)
This page was generated from the 7 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.