Service parts for the 50REOZJ
Grouped by system, with how many of each the parts manual calls for.
Oil 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 | 50 kW |
| Standby kVA | 50 |
| Prime power | 45 kW |
| Emissions | Tier 3 EPA-Certified for Stationary Emergency Applications |
| Controller | Decision-Maker 3000 |
| Oil capacity | 12.5 L |
| Alternator | 4P8 (12-lead) / 4Q10 (4-lead) (4-pole, Class Class H insulation) |
| Voltage options | 120/208 V, 127/220 V, 120/240 V, 139/240 V, 220/380 V, 277/480 V, 347/600 V, 110/190 V, 115/200 V, 110/220 V, 230/400 V, 240/416 V |
| Phase | 3-phase |
| Power factor | 0.8 three-phase, 1.0 single-phase |
| Battery cranking | 640 CCA |
| Battery voltage | 12/24 V |
| Coolant capacity | 17.2 L |
| Engine jacket water | 8.5 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 2200×1040×1274 mm |
| Wet weight | 993 kg |
Engine
| Oil capacity | 12.5 L |
|---|---|
| Coolant capacity | 8.5 L |
| Displacement | 4.5 L |
| Aspiration | Turbocharged |
| Rated speed | 1800 rpm |
Filters for the John Deere 4045TF150 (60 Hz) / 4045TF120 (50 Hz)
6Engine-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 | P551352 | Lube Filter, Spin-On Full Flow | JOHN DEERE DZ118286, JOHN DEERE PMLF3703, NAPA 401062, BALDWIN B40168 | buy |
| 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 filter | P550090 | Fuel Filter, In-Line | JOHN DEERE AE20952, JOHN DEERE AT101565, ASV INCORPORATED 0201914, LOESING 025125 | FridayParts $45.66 |
| 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 |
| Fuel / water separator | P551424 | Fuel Filter, Water Separator Spin-On | JOHN DEERE RE503198, JOHN DEERE RE522868, NAPA 3532, NAPA 600094 | KuduParts $16.00 FridayParts $18.50 |
Maintenance & consumables
for the John Deere 4045TF150 (60 Hz) / 4045TF120 (50 Hz)| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | Primary | 223414 | Amazon eBay $13.45 NAPA $34.79 | ||
| Fuel filter | Secondary | GM63894 | Amazon eBay $34.99 NAPA $36.26 | ||
| Oil filter | 1, Cartridge | GM32809 | Amazon Amazon Amazon Amazon eBay $26.25 NAPA $28.76 | ||
| Belt | GM23828 | Amazon eBay | |||
| Coolant | 17.2 L | — | |||
| Oil | 13.5 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
How many kW is the Kohler 50REOZJ?
The Kohler 50REOZJ is rated 50 kW standby (50.0 kVA).
Which engine powers the Kohler 50REOZJ?
The Kohler 50REOZJ is powered by the John Deere 4045TF150 (60 Hz) / 4045TF120 (50 Hz) engine.
What kind of fuel does the Kohler 50REOZJ run on?
The Kohler 50REOZJ runs on Diesel.
How much oil does the Kohler 50REOZJ take?
The John Deere 4045TF150 (60 Hz) / 4045TF120 (50 Hz) engine in the Kohler 50REOZJ has an oil capacity of 12.5 liters.
What is the coolant capacity of the Kohler 50REOZJ?
The Kohler 50REOZJ cooling system holds 17.2 liters (4.5 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the prime power rating of the Kohler 50REOZJ?
The Kohler 50REOZJ is rated 45 kW prime (59 kVA), against 50 kW standby.
What voltage does the Kohler 50REOZJ produce?
The Kohler 50REOZJ is offered in 120/208 V, 127/220 V, 120/240 V, 139/240 V, 220/380 V, 277/480 V, 3-phase-phase.
How many cold cranking amps does the Kohler 50REOZJ require?
The Kohler 50REOZJ uses 12/24 V each, 640 CCA, per the manufacturer specification sheet.
Which alternator is fitted to the Kohler 50REOZJ?
The Kohler 50REOZJ uses a 4P8 (12-lead) / 4Q10 (4-lead) alternator. It has 4 poles. Insulation class Class H.
What oil filter does the Kohler 50REOZJ use?
The Kohler 50REOZJ uses oil filter part number GM32809.
Which fuel filter part number does the Kohler 50REOZJ take?
The Kohler 50REOZJ uses fuel filter part numbers 223414, GM63894.
Parts
1| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 360031 | Filter, oil | 1 | Oil filter | Amazon eBay $37.99 NAPA $27.91 FridayParts $34.99 |
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% | 6.1 | 1.6 |
| Prime | 50% | 9.0 | 2.4 |
| Prime | 75% | 11.8 | 3.1 |
| Prime | 100% | 15.0 | 4.0 |
| Standby | 25% | 6.4 | 1.7 |
| Standby | 50% | 9.4 | 2.5 |
| Standby | 75% | 12.8 | 3.4 |
| Standby | 100% | 16.5 | 4.4 |
Available documents
This page was generated from the 17 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.