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Kohler 500REZK Generator Set

The Kohler 500REZK is a 500 kW (625 kVA) Natural Gas standby generator set powered by a Siemens SGE-24SL engine. It is available at 120/208 V, 127/220 V, 139/240 V, 240/416 V, 277/480 V and 347/600 V, 3-phase and 60 Hz. It holds about 86 L (22.7 gal) of oil and 75 L (19.8 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 2 batteries rated 925 CCA at 12 V. The set measures 4104×1987×2152 mm (161.6×78.2×84.7 in). The same SGE-24SL engine also powers generator sets from Siemens.

500 kW
Standby
24.0 L
Displacement
86.0 L
Oil capacity
8
Document types

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Specifications

FuelNatural Gas
Frequency60.0 Hz
Standby power500 kW
Standby kVA625
Prime power435 kW
EmissionsEPA-Certified
ControllerDecision-Maker 8000
Oil capacity86.0 L
Alternator5M4028
Voltage options120/208 V, 127/220 V, 139/240 V, 240/416 V, 277/480 V, 347/600 V
Phase3
Power factor0.8
Battery cranking925 CCA
Battery voltage12 V
Battery quantity2
Coolant capacity75 L
Max ambient50 °C
Dimensions (L×W×H)4104×1987×2152 mm

Engine

Siemens SGE-24SL
Oil capacity86.0 L
Coolant capacity75.0 L
Displacement24.0 L
AspirationTurbocharged, Aftercooled
Rated speed1800 rpm

Maintenance & consumables

for the Siemens SGE-24SL
ItemSpecCapacityPart #Interval
Fuel filter find
Oil filter find

Common questions

What is the power rating of the Kohler 500REZK?

The Kohler 500REZK is rated 500 kW standby (625.0 kVA).

What engine does the Kohler 500REZK use?

The Kohler 500REZK is powered by the Siemens SGE-24SL engine.

What fuel does the Kohler 500REZK use?

The Kohler 500REZK runs on Natural Gas.

What is the oil capacity of the Kohler 500REZK?

The Siemens SGE-24SL engine in the Kohler 500REZK has an oil capacity of 86.0 liters.

What alternator does the Kohler 500REZK use?

The Kohler 500REZK uses a 5M4028 alternator.

Parts

6
Part #DescriptionQtySystem
76.50.134Mechanical air flow restriction detectorSensor PartsGeek
76.50.266Electric airflow restriction detectorSensor PartsGeek
76.50.319Mechanical airflow restriction detectorSensor PartsGeek
76.50.321Electric air flow restriction detectorSensor PartsGeek
76.64.605GIS CSA ignition unit (up to 70ºC)Service part / kit PartsGeek
76.64.607GIS ignition unit (up to 60ºC)Service 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%
Prime50%
Prime75%
Prime100%
Standby25%
Standby50%
Standby75%
Standby100%

Available documents

Brochure (Kohler)Brochure — G6-39 0918AZ (Kohler)Brochure — GSA Product List (Kohler)Spec sheet — g4256 (Kohler)installation — tp6995 (Kohler)Installation manual — tt1673 (Kohler)Owner's manual — tp7019 (Kohler)Parts manual — tp7016 (Kohler)Parts manual — tp7024 (Kohler)Service manual — tp7011 (Kohler)Wiring diagram — TP-6994 1018B (Kohler)Wiring diagram — adv8827 (Kohler)