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Kohler 20RCA-QS7 20KW 120/208V 3-Phase Standby Generator with OnCue Plus New

Manufacturer: Kohler



$ 5,600.00

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Kohler 20RCA-QS7 20KW 120/208V 3-Phase Standby Generator with OnCue Plus New

Kohler 20RCA-QS7 20KW 120/208V 3-Phase Standby Generator with OnCue Plus New

Product Overview

Our most popular generators for backup power provide award-winning reliability and performance. When you lose power during an outage or storm, a hard-working 17/21 kW KOHLER® generator keeps your appliances working, the heat or AC running and your security system on. 

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5 year comprehensive warranty


Remote Monitoring


Brand new in box


Free shipping


Works with liquid propane or natural gas


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  • PowerBoost™ technology regulates voltage and provides instant response to load changes.
  • The engine has hydraulic valve lifters that eliminate the need for expensive valve adjustments.
  • The cylinder head is made of aluminum while the fuel solenoid valves are made of steel. The pistons are made of aluminum alloy.
  • The oil tank is made of steel and stores 1.9 liters/2 quarts of oil. It has an oil drain extension with a shutoff valve.
  • The alternator has a digital voltage regulator that guards all sensitive electronics against harmonic distortion and unsteady power.
  • The aluminum enclosure has a hinged locking roof that allows easy access to the generator set controller for maintenance and service.
  • Kohler 20RCA is offered in single-phase and 3-phase. Voltage options for 3-Phase include 120/208V, 120/240V, and 277/480V.
  • Compatible with Kohler Model RXT transfer switch, programmable interface module (PIM), and load shed kit.
  • 20RCA certifications and listings include cUL, UL 2200, CSA and EPA. Meets 181 mph wind rating.
  • This model is backed by a premium 5-year/2000 hour limited warranty for on-grid applications. 


Rated kW LP17/21 kW
Rated kW NG17/21 kW
Amps LP58 amps
Amps NG58 amps
Displacement999 cm³ (61 cu. in.)
HorsepowerNG 27.1 HP, LP 30.9 HP
Enclosure MaterialAluminum
Sound Output During Weekly Exercise64 dB(A)
Sound Output During Full-speed Operation69 dB(A)
Response Time10 seconds
WarrantyPremium five-year limited warranty
Country of OriginUS
Certifications/ListingsEPA, CSA, cUL, UL 2200
Automatic Transfer SwitchSold Separately
Remote MonitoringIncluded
Off Grid / Utility BackupUtility Backup
Weight555 lbs. (252 kg)
Alternator Type3-Pole
Fuel Consumption on NG at 50% load161 cfh
Fuel Consumption on LP at 50% load82 cfh
ControllerRDC2 Controller
Cylinder ArrangementV-2
Dimensions1193 mm x 666 mm x 817 mm (47 in. x 26.2 in. x 32.2 in.)
Engine Manufacturer/DescriptionKOHLER
Engine ModelCH1000
Engine/Alternator RPM3600
Fuel TypeNatural Gas, LPG
Frequency60 Hz
PhaseThree Phase
Voltage @ 60 Hz120/208V
Digital Voltage Regulation±1.0%
Built in Mounting PadYes

Package Contents

Kohler 20RCA-QS7 20KW Standby Generator with OnCue Plus

User's manual


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This item comes with a 5 year comprehensive warranty.

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