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Kohler 100REZGD Generator Set

The Kohler 100REZGD is a 100 kW (125 kVA) Natural Gas, LP Gas standby generator set powered by a General Motors Industrial Powertrain Vortec 5.7 L engine. It is available at 120/208 V, 127/220 V, 120/240 V, 139/240 V, 220/380 V, 277/480 V and 347/600 V, 3-phase, 60 Hz and rated 347 A. It holds about 6.2 L (1.6 gal) of oil and 22.5 L (5.9 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 1 battery rated 630 CCA at 12 V. The set measures 2800×1120×1456 mm (110.2×44.1×57.3 in) and weighs about 1403 kg (3093 lb). The same Industrial Powertrain Vortec 5.7 L engine also powers generator sets from Hipower.

100 kW
Standby
5.7 L
Displacement
6.2 L
Oil capacity
5
Document types

How to read your Kohler serial & model number →

Specifications

FuelNatural Gas, LP Gas
Frequency60.0 Hz
Standby power100 kW
Standby kVA125
EmissionsEPA-Certified for Stationary Emergency Applications
ControllerAPM402, Decision-Maker 3000, Decision-Maker 550, Decision-Maker 6000
Oil capacity6.2 L
AlternatorKohler 4R12X
Voltage options120/208 V, 127/220 V, 120/240 V, 139/240 V, 220/380 V, 277/480 V, 347/600 V
Phase3
Rated current347 A
Power factor0.8
Battery cranking630 CCA
Battery voltage12 V
Battery quantity1
Coolant capacity22.5 L
Max ambient50 °C
Dimensions (L×W×H)2800×1120×1456 mm
Dry weight1403 kg

Engine

General Motors Industrial Powertrain Vortec 5.7 L
Oil capacity4.7 L
Coolant capacity22.5 L
Displacement5.7 L
AspirationTurbocharged
Rated speed1800 rpm

Maintenance & consumables

for the General Motors Industrial Powertrain Vortec 5.7 L
ItemSpecCapacityPart #Interval
Oil filterCartridge×1 find
Oil6.2 L150 hr

Common questions

What is the power rating of the Kohler 100REZGD?

The Kohler 100REZGD is rated 100 kW standby (125.0 kVA).

What engine does the Kohler 100REZGD use?

The Kohler 100REZGD is powered by the General Motors Industrial Powertrain Vortec 5.7 L engine.

What fuel does the Kohler 100REZGD use?

The Kohler 100REZGD runs on Natural Gas, LP Gas.

What is the oil capacity of the Kohler 100REZGD?

The General Motors Industrial Powertrain Vortec 5.7 L engine in the Kohler 100REZGD has an oil capacity of 4.7 liters.

What alternator does the Kohler 100REZGD use?

The Kohler 100REZGD uses a Kohler 4R12X alternator.

Parts

11
Part #DescriptionQtySystem
359249Hose, 45 deg. elbow (3.00 in. ID)1Hose PartsGeek
GM88993-GR1Mount, Air Cleaner (6.76”ID)1Air filter PartsGeek
GM90280Air Cleaner Assy1Air filter PartsGeek
GM90281Element, Air Cleaner1Air filter PartsGeek kuduparts $43.00
NGE012014Radiator Fan Shroud BoltsBolt PartsGeek
X-6014-137Hose, Radiator Wire Insert, 3 in. ID1Hose PartsGeek
60RCLKOHLER 60RCL generatorService part / kit PartsGeek
GM87989updated distributor capService part / kit PartsGeek
GM87990rotor with the properly coated contactService part / kit PartsGeek
M6923-08-80Nut, Hex 8MM2Service part / kit PartsGeek
M933-08016-60Screw2Service 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
Standby
Standby25%
Standby50%
Standby75%
Standby100%

Available documents

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