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Kohler 100RZG Generator Set

The Kohler 100RZG is a 98 kW (123 kVA) Natural Gas/LP Gas standby generator set powered by a General Motors 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 147 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 2800×1120×1380 mm (110.2×44.1×54.3 in). The same 5.7 L engine also powers generator sets from Hipower.

98 kW
Standby
5.7 L
Displacement
6.2 L
Oil capacity
6
Document types

How to read your Kohler serial & model number →

Specifications

FuelNatural Gas/LP Gas
Frequency60.0 Hz
Standby power98 kW
Standby kVA123
ControllerAPM402, Decision-Maker 550, Decision-Maker 6000
Oil capacity6.2 L
Voltage options120/208 V, 127/220 V, 120/240 V, 139/240 V, 220/380 V, 277/480 V, 347/600 V
Phase3
Rated current147 A
Power factor0.8
Battery cranking630 CCA
Battery voltage12 V
Battery quantity1
Coolant capacity22.5 L
Max ambient50 °C
Dimensions (L×W×H)2800×1120×1380 mm

Engine

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

Maintenance & consumables

for the General Motors 5.7 L
ItemSpecCapacityPart #Interval
Oil filterSpin-On×1 find
Oil6.2 L150 hr

Common questions

What is the power rating of the Kohler 100RZG?

The Kohler 100RZG is rated 98 kW standby (123.0 kVA).

What engine does the Kohler 100RZG use?

The Kohler 100RZG is powered by the General Motors 5.7 L engine.

What fuel does the Kohler 100RZG use?

The Kohler 100RZG runs on Natural Gas/LP Gas.

What is the oil capacity of the Kohler 100RZG?

The General Motors 5.7 L engine in the Kohler 100RZG has an oil capacity of 4.7 liters.

Parts

2
Part #DescriptionQtySystem
NGE012014Radiator Fan Shroud BoltsBolt buy
PA-324470Exhaust 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
Standby
Standby25%
Standby50%
Standby75%
Standby100%

Available documents

BrochureSpec sheetInstallation manualReferenceService manualWiring diagram