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Kohler 250REOZJD Generator Set

The Kohler 250REOZJD is a 250 kW (313 kVA) Diesel standby generator set powered by a John Deere 6090HF484 engine. It is available at 120/208 V, 127/220 V, 120/240 V, 139/240 V, 220/380 V, 240/416 V, 277/480 V and 347/600 V, 3-phase and 60 Hz. It holds about 33.4 L (8.8 gal) of oil and 36 L (9.5 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 2 batteries rated 950 CCA at 12 V. The set measures 3100×1250×1703 mm (122.0×49.2×67.0 in). The same 6090HF484 engine also powers generator sets from AKSA and MTU.

250 kW
Standby
9.0 L
Displacement
33.4 L
Oil capacity
2
Document types

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Specifications

FuelDiesel
Frequency60.0 Hz
Standby power250 kW
Standby kVA313
Prime power225 kW
EmissionsTier 3
ControllerDecision-Maker 550
Oil capacity33.4 L
AlternatorKohler 4UA10
Voltage options120/208 V, 127/220 V, 120/240 V, 139/240 V, 220/380 V, 240/416 V, 277/480 V, 347/600 V
Phase3
Power factor0.8
Battery cranking950 CCA
Battery voltage12 V
Battery quantity2
Coolant capacity36 L
Max ambient50 °C
Dimensions (L×W×H)3100×1250×1703 mm

Engine

John Deere 6090HF484
Oil capacity33.4 L
Coolant capacity36.0 L
Displacement9.0 L
AspirationTurbocharged, Charge Air-Cooled
Rated speed1800 rpm

Maintenance & consumables

for the John Deere 6090HF484
ItemSpecCapacityPart #Interval
Air filterDry find
Fuel filterGM80460 PartsGeek $48.97
Fuel filterSecondaryGM50263 Amazon eBay $99.99 PartsGeek
Oil filterGM48731 Amazon eBay $25.24 PartsGeek
Belt find
Coolant53.5 L
Oil33.4 L

Compatible filters for the John Deere 6090HF484 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: John Deere RE587794 John Deere 4S00686R John Deere AH115833 John Deere F071151 John Deere F071150

Common questions

What is the power rating of the Kohler 250REOZJD?

The Kohler 250REOZJD is rated 250 kW standby (313.0 kVA).

What engine does the Kohler 250REOZJD use?

The Kohler 250REOZJD is powered by the John Deere 6090HF484 engine.

What fuel does the Kohler 250REOZJD use?

The Kohler 250REOZJD runs on Diesel.

What is the oil capacity of the Kohler 250REOZJD?

The John Deere 6090HF484 engine in the Kohler 250REOZJD has an oil capacity of 33.4 liters.

What alternator does the Kohler 250REOZJD use?

The Kohler 250REOZJD uses a Kohler 4UA10 alternator.

What oil filter does the Kohler 250REOZJD use?

The Kohler 250REOZJD uses oil filter part number GM48731.

What fuel filter does the Kohler 250REOZJD use?

The Kohler 250REOZJD uses fuel filter part numbers GM80460, GM50263.

What air filter does the Kohler 250REOZJD use?

The Kohler 250REOZJD uses air filter part numbers JOHN DEERE RE587794, JOHN DEERE 4S00686R.

Parts

11
Part #DescriptionQtySystem
GM17672-MA136AlternatorAlternator PartsGeek
GM17425-MA31Controller, Decision-Maker 550Service part / kit PartsGeek
GM21224-MA1Air Intake, Heavy Duty1Service part / kit PartsGeek
GM32385-KP1Flexible Exhaust Connector1Service part / kit PartsGeek
GM34651-KP1Exhaust Manifold BlanketService part / kit PartsGeek
GM51053-GA2Engine and DecalsService part / kit PartsGeek
GM51053-GA4Engine and DecalsService part / kit PartsGeek
GM51055-MA1Cooling, Unit Mounted RadiatorService part / kit PartsGeek
GM51056-MA1SkidService part / kit PartsGeek
GM51057-MA3Control and HarnessService part / kit PartsGeek
GM52903-MA1SkidService 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%18.44.9
Prime50%31.68.3
Prime75%45.312.0
Prime100%59.115.6
Standby25%20.55.4
Standby50%35.09.2
Standby75%50.413.3

Available documents

Spec sheet — Kohler-250REOZJD (Kohler)Service manual — tp6439 (Kohler)