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Kohler 150 REOZJ4 Generator Set

The Kohler 150 REOZJ4 is a 150 kW (187.5 kVA) diesel standby generator set powered by a John Deere 6068HFG08 engine. It is available at 120/208 V, 120/240 V, 277/480 V and 347/600 V, 3-phase, 60 Hz and rated 225 A. It holds about 28.5 L (7.5 gal) of oil and 35.6 L (9.4 gal) of coolant, with a maximum ambient rating of 40 °C. Starting uses 2 batteries rated 400 CCA at 12 V. The set measures 3531×1191×2276 mm (139.0×46.9×89.6 in), weighs about 3532 kg (7787 lb) and produces 71 dBA at 7 m. An integrated tank holds 923 L (243.8 gal), roughly 24 hours of runtime. The same 6068HFG08 engine also powers generator sets from MQ Power.

150 kW
Standby
6.8 L
Displacement
28.5 L
Oil capacity
5
Document types

How to read your Kohler serial & model number →

Specifications

Fueldiesel
Frequency60.0 Hz
Standby power150 kW
Standby kVA187
Prime power139 kW
EmissionsTier 4 Final
ControllerDecision-Maker 3500
Oil capacity28.5 L
Voltage options120/208 V, 120/240 V, 277/480 V, 347/600 V
Phase3
Rated current225 A
Power factor0.8
Battery cranking400 CCA
Battery voltage12 V
Battery quantity2
Coolant capacity35.6 L
Max ambient40 °C
Dimensions (L×W×H)3531×1191×2276 mm
Dry weight3532 kg
Sound level71.0 dBA @ 7 m
Fuel tank923.0 L
Tank runtime24 hr

Engine

John Deere 6068HFG08
Oil capacity15.6 L
Coolant capacity35.6 L
Displacement6.8 L
AspirationTurbocharged, Charge Air Cooled
Rated speed1800 rpm

Maintenance & consumables

for the John Deere 6068HFG08
ItemSpecCapacityPart #Interval
Fuel filterPrimary find
Oil filterCartridge×1 find

Compatible filters for the John Deere 6068HFG08 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Fuel filter (primary): Kohler GM50006 Kohler GM48727 Kohler GM50074 John Deere AT433554 John Deere RE522688
  • Oil filter: Kohler GM32809 Kohler 360031 Kohler 223604 Kohler ED0021752840S Kohler 223673

Common questions

What is the power rating of the Kohler 150 REOZJ4?

The Kohler 150 REOZJ4 is rated 150 kW standby (187.5 kVA).

What engine does the Kohler 150 REOZJ4 use?

The Kohler 150 REOZJ4 is powered by the John Deere 6068HFG08 engine.

What fuel does the Kohler 150 REOZJ4 use?

The Kohler 150 REOZJ4 runs on diesel.

What is the oil capacity of the Kohler 150 REOZJ4?

The John Deere 6068HFG08 engine in the Kohler 150 REOZJ4 has an oil capacity of 15.6 liters.

Parts

13
Part #DescriptionQtySystem
GM91509Gasket, Acc Panel1Gasket buy
297582Lug, terminal, aluminum5Service part / kit buy
GM24181-1Breaker, Circuit1Service part / kit buy
GM45931Mount, recessed emergency stop button1Service part / kit buy
GM47476-19Breaker, Circuit 250 JDP1Service part / kit buy
GM49747Relay, 24V DC2Service part / kit buy
GM65507Receptical, 20A Panel Mount1Service part / kit buy
GM91513Bus, Cam Lock5Service part / kit buy
GM91515Bus, Load A1Service part / kit buy
GM91516Bus, Load B, N, G3Service part / kit buy
GM91517Bus, Load C1Service part / kit buy
GM91518Bus, Bond1Service part / kit buy
GM91521Bus, Line3Service part / kit buy

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%12.13.2
Prime50%20.45.4
Prime75%29.17.7
Prime100%38.610.2
Standby25%13.23.5
Standby50%22.35.9
Standby75%32.28.5
Standby100%42.411.2

Available documents

BrochureSpec sheetReferenceParts manualWiring diagram

Other sets with this engine