Service parts for the 400REOZJ
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredOil system
1 requiredBelts
1 requiredCooling system
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 | 400 kW |
| Standby kVA | 500 |
| Prime power | 365 kW |
| Emissions | Tier 3 |
| Controller | APM402, APM603, Decision-Maker 550, Decision-Maker 6000 |
| Oil capacity | 40.0 L |
| Alternator | 4M4021 / 5M4027 / 5M4028 / 4M4266 / 5M4272 (4-pole, Class Class H, Synthetic, Nonhygroscopic insulation) |
| Voltage options | 120/208 V, 127/220 V, 139/240 V, 220/380 V, 240/416 V, 277/480 V, 347/600 V |
| Phase | 3 |
| Rated current | 481 A |
| Power factor | 0.8 |
| Circuit breaker | 1388 A |
| Battery group | Two |
| Battery cranking | 950 CCA |
| Battery voltage | 12 V |
| Battery quantity | 2 |
| Coolant capacity | 67.2 L |
| Engine jacket water | 18.0 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 3630×1725×1993 mm |
| Wet weight | 3901 kg |
Engine
| Oil capacity | 40.0 L |
|---|---|
| Coolant capacity | 18.0 L |
| Displacement | 13.5 L |
| Aspiration | 4-Cycle, Turbocharged, Charge Air-Cooled |
| Rated speed | 1800 rpm |
Filters for the John Deere 6135HF485
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 | P550595 | Lube Filter, Spin-On Combination | JOHN DEERE DZ118269, JOHN DEERE RE530107, NAPA 7777, BALDWIN BD7310 | KuduParts $44.00 |
| Fuel filter | P502392 | Fuel Filter, Box | JOHN DEERE N378886, BALDWIN BF7912, SEPAR 01030, SEPAR 01030HV | FridayParts $39.99 |
| Fuel / water separator | P552952 | Fuel Filter, Water Separator Spin-On | JOHN DEERE DZ130550, JOHN DEERE RE532952, NAPA 3969, BALDWIN BF9866-O | FridayParts $59.99 |
Same engine, other brands
1 brandThe John Deere 6135HF485 in this set also powers 1 generator set sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.
| Brand | Models |
|---|---|
| Generac | SD300 |
Maintenance & consumables
for the John Deere 6135HF485| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Filter | 20145-17038 | Amazon eBay | ||
| Fuel filter | GM80460 | 500 hr | Amazon eBay $93.00 PartsGeek $48.97 | ||
| Fuel filter | 10 Microns | — | |||
| Oil filter | 1, Cartridge | GM80434 | 500 hr | Amazon eBay $118.44 NAPA $104.59 | |
| Battery | ×2 | — | |||
| Belt | Belt | 20145-17044 | Amazon eBay | ||
| Coolant | 67.2 | — | |||
| Coolant filter | Coolant Filter | 20145-17042 | Amazon eBay | ||
| Oil | 40.0 | — | 500 hr | ||
| Spark plug | — |
Service specifications
41| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Gap | Max. restriction of cooling air, intake and discharge side of radiator | 0.125 | kPa | (0.5 in. H2O) |
| 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 | Compression ratio | 16.0:1 | ||
| Other | Max. fuel flow | 196.5 | Lph | (51.9 gph) |
| 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. | |
| Pressure | Max. return line restriction | 35 | kPa | (10.3 in. Hg) |
| Pressure | Maximum allowable back pressure (max.) | 10 | kPa | exhaust, (3.0 in. Hg) |
| Pressure | Maximum allowable back pressure (min.) | 4 | kPa | exhaust, (1.2 in. Hg) |
| Speed | Frequency regulation, steady state | 0.25 | % | |
| Speed | Piston speed | 594 | m/min | (1950 ft./min.) |
| Speed | Rated rpm | 1800 | rpm | |
| Temperature | Ambient temperature | 50 | °C | (122 °F) |
| Temperature | Exhaust temperature at rated kW, dry exhaust | 471 | °C | rated kW (880 °F) |
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 400REOZJ?
The Kohler 400REOZJ is rated 400 kW standby (500.0 kVA).
What engine does the Kohler 400REOZJ use?
The Kohler 400REOZJ is powered by the John Deere 6135HF485 engine.
What fuel does the Kohler 400REOZJ use?
The Kohler 400REOZJ runs on Diesel.
What's the oil capacity on a Kohler 400REOZJ?
The John Deere 6135HF485 engine in the Kohler 400REOZJ has an oil capacity of 40.0 liters.
What is the coolant capacity of the Kohler 400REOZJ?
The Kohler 400REOZJ cooling system holds 67.2 liters (17.8 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the prime power rating of the Kohler 400REOZJ?
The Kohler 400REOZJ is rated 365 kW prime (456 kVA), against 400 kW standby.
What voltage does the Kohler 400REOZJ produce?
The Kohler 400REOZJ is offered in 120/208 V, 127/220 V, 139/240 V, 220/380 V, 240/416 V, 277/480 V, 3-phase.
What battery does the Kohler 400REOZJ use?
The Kohler 400REOZJ uses 2 batteryies, 12 V each, 950 CCA, group Two, per the manufacturer specification sheet.
What alternator comes on the Kohler 400REOZJ?
The Kohler 400REOZJ uses a 4M4021 / 5M4027 / 5M4028 / 4M4266 / 5M4272 alternator. It has 4 poles. Insulation class Class H, Synthetic, Nonhygroscopic.
What oil filter fits the Kohler 400REOZJ?
The Kohler 400REOZJ uses oil filter part number GM80434.
What fuel filter fits the Kohler 400REOZJ?
The Kohler 400REOZJ uses fuel filter part number GM80460.
What air filter does the Kohler 400REOZJ use?
The Kohler 400REOZJ uses air filter part number 20145-17038.
Parts
18| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 20145-17036 | Oil Filter | 1 | Oil filter | Amazon eBay |
| 20145-17038 | Air Filter | 1 | Air filter | Amazon eBay |
| 20145-17040 | Fuel Filter | 1 | Fuel filter | Amazon eBay |
| 20145-17042 | Coolant Filter | 1 | Coolant filter | Amazon eBay |
| 20145-17044 | Belt | 1 | Belt | Amazon eBay |
| 20145-17046 | Spark Plug | 1 | Spark plug | Amazon eBay |
| 115-2422 | Battery | 1 | Service part / kit | eBay |
| A34471 | UN—11OCT88 | 1 | Service part / kit | Amazon eBay |
| RG13887 | A—Engine Serial Number B—Application Data or Type C—Serial Number Plate | 1 | Service part / kit | Amazon eBay |
| RG14798 | Engine Serial Number/Application Data | 1 | Service part / kit | Amazon eBay |
| RG14813 | OEM Engine Option Code Label | 1 | Service part / kit | Amazon eBay |
| RG40854 | 0000007 UN—19—06MAY05 | 1 | Service part / kit | Amazon eBay |
| T6828AB | OILSCAN | Service part / kit | Amazon eBay | |
| T6829AB | COOLSCAN | Service part / kit | Amazon eBay | |
| TS206 | Wear Protective Clothing | 1 | Service part / kit | Amazon eBay $1600.83 NAPA $24.94 |
| TS220 | Remove Paint Before Welding or Heating | 1 | Service part / kit | Amazon eBay $13.89 NAPA $26.31 |
| TS677 | Install Fan Guards | 1 | Service part / kit | Amazon eBay |
| TS953 | UN—15MAY90 | 1 | Service part / kit | Amazon eBay |
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% | 29.6 | 7.8 |
| Prime | 50% | 52.1 | 13.8 |
| Prime | 75% | 75.1 | 19.8 |
| Prime | 100% | 101.3 | 26.8 |
| Standby | 25% | 31.9 | 8.4 |
| Standby | 50% | 57.9 | 15.3 |
| Standby | 75% | 83.8 | 22.1 |
| Standby | 100% | 115.7 | 30.6 |
Available documents
This page was generated from the 13 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.