HomeKohlerKohler 250REOZJE

Kohler 250REOZJE Generator Set

The Kohler 250REOZJE is a 250 kW (313 kVA) Diesel standby generator set powered by a John Deere 6090HF484B engine. It is available at 120/208 V, 3-phase, 60 Hz and rated 867 A. It holds about 32.5 L (8.6 gal) of oil and 16 L (4.2 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 2 group-2 batteries rated 925 CCA at 24 V. The set measures 4121×1338×2655 mm (162.2×52.7×104.5 in), weighs about 3606 kg (7950 lb) and produces 75 dBA. An integrated tank holds 555 L (146.6 gal), roughly 24 hours of runtime.

250 kW
Standby
9.0 L
Displacement
32.5 L
Oil capacity
4
Document types

How to read your Kohler serial & model number →

Typical fuel consumption for 250–255 kW Diesel generators →

Compare with other 250–255 kW Diesel generators →

Service parts for the 250REOZJE

Grouped by system, with how many of each the parts manual calls for.

Fuel system

2 required
GM50263Fuel filter (primary)$99.99eBay

Oil system

1 required

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power250 kW
Standby kVA313
Prime power230 kW
EmissionsTier 3
ControllerAPM402, APM603, Decision-Maker 3000, Decision-Maker 6000
Oil capacity32.5 L
Alternator4UA10
Voltage options120/208 V
Phase3
Rated current867 A
Power factor0.8
Circuit breaker1000 A
Battery group2/12V
Battery cranking925 CCA
Battery voltage24 V
Battery quantity2
Coolant capacity16 L
Max ambient50 °C
Dimensions (L×W×H)4121×1338×2655 mm
Dry weight3606 kg
Sound level75.0 dBA
Fuel tank555.0 L
Tank runtime24 hr

Engine

John Deere 6090HF484B
Oil capacity32.5 L
Coolant capacity16.0 L
Displacement9.0 L
AspirationTurbocharged, Charge Air Cooled
Rated speed1800 rpm

Maintenance & consumables

for the John Deere 6090HF484B
ItemSpecCapacityPart #Interval
Air filterAir Cleaner Dry
Fuel filterGM80460 Amazon eBay $93.00 PartsGeek $48.97
Fuel filterPrimaryGM50263 Amazon $148.00 eBay $99.99
Oil filterCartridge×1GM48731 Amazon $20.01 eBay $49.99
BatteryBattery Box and Cables×2
BeltRadiator - Unit Mounted, Blower Fan and Fan Drive
CoolantSystem Coolant Capacity: L (gal) 53.5 (14.13)53.5 L
OilTotal Oil System: L (gal) 31 (8.19)33.4 L
Spark plug

Compatible filters for the John Deere 6090HF484B — 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

Service specifications

30
TypeItemValueUnitCondition
Other10 in. weld flange bolt circle diameter B361.95mm (14.25 in.)
Other10 in. weld flange outside diameter C406.4mm (16.0 in.)
Other10 in. weld flange quantity of bolts / bolt hole diameter D12, 25.40mm (1.00 in.)
Other12 in. weld flange bolt circle diameter B431.80mm (17.00 in.)
Other12 in. weld flange outside diameter C482.6mm (19.0 in.)
Other12 in. weld flange quantity of bolts / bolt hole diameter D12, 25.40mm (1.00 in.)
Other14 in. weld flange bolt circle diameter B476.25mm (18.75 in.)
Other14 in. weld flange outside diameter C533.4mm (21.0 in.)
Other14 in. weld flange quantity of bolts / bolt hole diameter D12, 28.58mm (1.13 in.)
Other16 in. weld flange bolt circle diameter B539.75mm (21.25 in.)
Other16 in. weld flange outside diameter C596.9mm (23.5 in.)
Other16 in. weld flange quantity of bolts / bolt hole diameter D16, 28.58mm (1.13 in.)
Other18 in. weld flange bolt circle diameter B577.85mm (22.75 in.)
Other18 in. weld flange outside diameter C635.0mm (25.0 in.)
Other18 in. weld flange quantity of bolts / bolt hole diameter D16, 31.75mm (1.25 in.)
Other20 in. weld flange bolt circle diameter B635.00mm (25.00 in.)
Other20 in. weld flange outside diameter C698.5mm (27.5 in.)
Other20 in. weld flange quantity of bolts / bolt hole diameter D20, 31.75mm (1.25 in.)
Other5 in. weld flange bolt circle diameter B215.90mm (8.50 in.)
Other5 in. weld flange outside diameter C241.30mm (9.50 in.)
Other5 in. weld flange quantity of bolts / bolt hole diameter D8, 22.23mm (0.88 in.)
Other6 in. weld flange bolt circle diameter B254.0mm (10.0 in.)
Other6 in. weld flange outside diameter C279.4mm (11.0 in.)
Other6 in. weld flange quantity of bolts / bolt hole diameter D8, 22.23mm (0.88 in.)
Other8 in. weld flange bolt circle diameter B298.45mm (11.75 in.)
Other8 in. weld flange outside diameter C342.9mm (13.5 in.)
Other8 in. weld flange quantity of bolts / bolt hole diameter D8, 22.23mm (0.88 in.)
OtherWeld flange angle A (10, 12, 14 in. nominal pipe size)30deg.
OtherWeld flange angle A (16, 18, 20 in. nominal pipe size)22.5deg.
OtherWeld flange angle A (5, 6, 8 in. nominal pipe size)45deg.

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 250REOZJE?

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

Which engine powers the Kohler 250REOZJE?

The Kohler 250REOZJE is powered by the John Deere 6090HF484B engine.

What fuel does the Kohler 250REOZJE use?

The Kohler 250REOZJE runs on Diesel.

What's the oil capacity on a Kohler 250REOZJE?

The John Deere 6090HF484B engine in the Kohler 250REOZJE has an oil capacity of 32.5 liters.

Which alternator is fitted to the Kohler 250REOZJE?

The Kohler 250REOZJE uses a 4UA10 alternator.

What oil filter does the Kohler 250REOZJE use?

The Kohler 250REOZJE uses oil filter part number GM48731.

Which fuel filter part number does the Kohler 250REOZJE take?

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

What air filter does the Kohler 250REOZJE use?

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

Parts

1
Part #DescriptionQtySystem
4UA1015 Relay I/O Board1Battery 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

RatingLoadL/hgal/h
Prime25%18.44.9
Prime50%31.68.3
Prime75%45.312.0
Prime100%59.115.6
Standby25%20.55.4
Standby50%35.09.25
Standby75%50.413.3
Standby100%66.517.6

Available documents

Spec sheet (Kohler)Spec sheet — PO9016 WPC 250-kW-Kohler-250REOZJE-Submittal (Kohler)Spec sheet — g5340 (Kohler)Reference — G6-39 0918AZ (Kohler)Parts manual — WPC PO-6467-250kw-SS-Submittal 01.19.2024 (Kohler)Service manual — tp6439 (Kohler)Service manual — tp6798 (Kohler)Service manual — tp7138 (Kohler)Service manual — tp7149 (Kohler)
Full service, cheapest listings

Priced items from this model's own parts manual.

Fuel filter GM80460$48.97
Fuel filter (primary) GM50263$99.99
Oil filter GM48731$20.01
3 priced items$168.97