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Kohler 500REOZJ Generator Set

The Kohler 500REOZJ is a 500 kW (638 kVA) diesel standby generator set powered by a John Deere 6135HFG75 engine. It is available at 120/208 V, 127/220 V, 139/240 V, 220/380 V, 240/416 V, 277/480 V and 347/600 V, 3-phase, 60 Hz and rated 1770 A. It holds about 42 L (11.1 gal) of oil and 67.2 L (17.8 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 2 batteries rated 925 CCA at 12 V. The set measures 3630×1725×1993 mm (142.9×67.9×78.5 in). The same 6135HFG75 engine also powers generator sets from AKSA.

500 kW
Standby
13.5 L
Displacement
42.0 L
Oil capacity
7
Document types

How to read your Kohler serial & model number →

Specifications

Fueldiesel
Frequency60.0 Hz
Standby power500 kW
Standby kVA638
EmissionsTier 2 EPA-Certified
ControllerAPM402, APM603, Decision-Maker 3000, Decision-Maker 550, Decision-Maker 6000
Oil capacity42.0 L
Voltage options120/208 V, 127/220 V, 139/240 V, 220/380 V, 240/416 V, 277/480 V, 347/600 V
Phase3
Rated current1770 A
Power factor0.8
Battery cranking925 CCA
Battery voltage12 V
Battery quantity2
Coolant capacity67.2 L
Max ambient50 °C
Dimensions (L×W×H)3630×1725×1993 mm

Engine

John Deere 6135HFG75
Oil capacity42.0 L
Coolant capacity67.2 L
Displacement13.5 L
AspirationTurbocharged, Charge Air-Cooled
Rated speed1800 rpm

Maintenance & consumables

for the John Deere 6135HFG75
ItemSpecCapacityPart #Interval
Air filterDry— find
Fuel filterPrimaryGM80460 buy
Fuel filterSecondary— find
Oil filterCartridgeGM80434 Amazon eBay
Coolant67.2 L—
Oil42.0 L—

Compatible filters for the John Deere 6135HFG75 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: John Deere AH115833 John Deere RE67829 John Deere AZ61133 John Deere AZ61134 Donaldson P532931

Common questions

What is the power rating of the Kohler 500REOZJ?

The Kohler 500REOZJ is rated 500 kW standby (638.0 kVA).

What engine does the Kohler 500REOZJ use?

The Kohler 500REOZJ is powered by the John Deere 6135HFG75 engine.

What fuel does the Kohler 500REOZJ use?

The Kohler 500REOZJ runs on diesel.

What is the oil capacity of the Kohler 500REOZJ?

The John Deere 6135HFG75 engine in the Kohler 500REOZJ has an oil capacity of 42.0 liters.

Parts

1
Part #DescriptionQtySystem
PA-354880Exhaust Silencer, CriticalService 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

RatingLoadL/hgal/h
Standby25%38.810.2
Standby50%75.319.9
Standby75%104.627.6
Standby100%134.535.5

Available documents

Brochurecase_studySpec sheetReferenceParts manualService manualWiring diagram