Name: Kohler 275REOZJE Generator Set
Brand: Kohler

Service parts for the 275REOZJE

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

Fuel system

2 required

GM80460Fuel filter$48.97PartsGeek

GM50263Fuel filter (secondary)$99.99eBay

Oil system

1 required

GM48731Oil filter$20.01Amazon

Prices 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	275 kW
Standby kVA	344
Prime power	250 kW
Emissions	Tier 3 EPA-Certified
Controller	APM402, Decision-Maker 550, Decision-Maker 6000
Oil capacity	33.4 L
Alternator	4UA10, 4UA13 (4-pole, Class H insulation)
Voltage options	120/208 V, 127/220 V, 120/240 V, 139/240 V, 220/380 V, 240/416 V, 277/480 V, 347/600 V
Phase	3
Power factor	0.8
Battery cranking	950 CCA
Battery voltage	12 V
Battery quantity	2
Coolant capacity	36 L
Max ambient	50 °C
Dimensions (L×W×H)	3000×1300×1891 mm

Engine

John Deere 6090HF484

Oil capacity	31.0 L
Coolant capacity	53.5 L
Displacement	9.0 L
Aspiration	Turbocharged, Charge Air-Cooled
Rated speed	1800 rpm

Maintenance & consumables

for the John Deere 6090HF484

Item	Spec	Capacity	Part #
Air filter	Air Cleaner Dry		—
Fuel filter			GM80460	Amazon eBay $93.00 PartsGeek $48.97
Fuel filter	Secondary		GM50263	Amazon $148.00 eBay $99.99
Oil filter		×1	GM48731	Amazon $20.01 eBay $49.99
Battery	Battery Box and Cables	×2	—
Belt	Radiator - Unit Mounted, Blower Fan and Fan Drive		—
Coolant		53.5 L	—
Oil		33.4 L	—
Spark plug			—

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

Service specifications

Type	Item	Value	Unit
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.

Common questions

What size generator is the Kohler 275REOZJE?

The Kohler 275REOZJE is rated 275 kW standby (344.0 kVA).

What engine is in the Kohler 275REOZJE?

The Kohler 275REOZJE is powered by the John Deere 6090HF484 engine.

What fuel does the Kohler 275REOZJE use?

The Kohler 275REOZJE runs on Diesel.

How much oil does the Kohler 275REOZJE take?

The John Deere 6090HF484 engine in the Kohler 275REOZJE has an oil capacity of 31.0 liters.

What alternator does the Kohler 275REOZJE use?

The Kohler 275REOZJE uses a 4UA10, 4UA13 alternator. It has 4 poles. Insulation class H.

What oil filter does the Kohler 275REOZJE use?

The Kohler 275REOZJE uses oil filter part number GM48731.

What fuel filter fits the Kohler 275REOZJE?

The Kohler 275REOZJE uses fuel filter part numbers GM80460, GM50263.

What air filter does the Kohler 275REOZJE use?

The Kohler 275REOZJE uses air filter part numbers JOHN DEERE RE587794, JOHN DEERE 4S00686R.

Parts

Part #	Description	Qty	System
4UA10	15 Relay I/O Board	1	Battery	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%	20.0	5.3
Prime	50%	35.0	9.2
Prime	75%	50.2	13.3
Prime	100%	66.0	17.4
Standby	25%	22.5	5.9
Standby	50%	39.5	10.4
Standby	75%	56.7	15.0
Standby	100%	74.2	19.6

Available documents

Spec sheet — Kohler-275REOZJE (Kohler)Reference — G6-39 0918AZ (Kohler)Service manual — tp6439 (Kohler)Service manual — tp6798 (Kohler)Service manual — tp7138 (Kohler)Service manual — tp7149 (Kohler)