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20kW Kit includes Generator, Transfer switch (100 or 200Amp), cold weather kit, battery, and optional concrete pad... and Tax is included! $7500 OUT THE DOOR! Financing is also available. Installation is not included.


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 14/20 kW KOHLER® generator keeps your appliances working, the heat or AC running and your security system on. Now also available in 3 phase.*


Every KOHLER® generator is equipped with a heavy-duty, commercial-grade engine that stands up to extreme weather.


In just 10 seconds, your KOHLER generator automatically restores power to a 5-ton (60,000 BTU) air conditioner, major appliances and electronics.*

Premium warranty.

We've got you covered with 5-year, 2,000-hour protection, and a corrosion-proof enclosure that's built to last.

Award winner.

KOHLER generators have received several awards, including the Most Valuable Product (MVP) Award 2010 by Building Products magazine.


PowerBoost™ technology provides power to start large loads such as central air conditioners without dropping power to other appliances

Extraordinary peak motor-starting capacity: 14RCA at 33kVA at 240V and 20RCA at 41kVA at 240V

Premium power quality delivers exceptional digital voltage and frequency regulation along with low levels of harmonic distortion to protect sophisticated electronics

Powered by reliable KOHLER Command PRO® engine, designed and tested for tough commercial applications; with hydraulic valve lifters to eliminate need for lengthy break-in periods and expensive valve adjustments; operation speed is 3600 rpm (the standard for air-cooled generators)

Compatible with OnCue® Plus and OnCue® Plus Wireless Generator Management Systems, and Programmable Interface Module (PIM)

Also compatible with Load Control Module (LCM) or Load Shed kit with single-phase generators only


RDC2 controller designed for today's sophisticated electronics manages both the generator set and Model RXT transfer switch functions

Quiet, neighborhood-friendly operation with sound levels similar to a typical central air conditioner

Stylish corrosion-proof enclosure impact tested to -30°F

Runs on either natural gas or liquid propane (LPG) with simple switching between natural gas and LPG in the field

Streamlined installation, simple terminal block for easy field connections. Kohler also offers concrete mounting pads to lower installation costs and time.

Streamlined installation, simple terminal block for easy field connections. Kohler also offers concrete mounting pads to lower installation costs and time.


$8,000.00 Regular Price
$7,500.00Sale Price
  • Rated kW  LP20 kW

    Rated kW NG18 

    kWAmps LP 83 

    ampsAmps NG75

    ampsPeak Motor Starting kVA @240 V41 kVa

    Alternator NoteAll information shown is for 1 Phase 60 Hz generator with the largest alternator option available.

    Displacement999 cm³ (61 cu. in.)

    HorsepowerNG 27.1 HP, LP 30.9 HP

    Enclosure Material Aluminum

    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/Listings. cUL|UL 2200|EPA|CSA

    Automatic Transfer Switch Included Yes

    Remote Monitoring  Available

    Included Off Grid / Utility Backup.   Utility Backup

    Weight 600/611 lbs. (272/277 kg)

    Alternator Type 2-Pole, Rotating Field

    Fuel Consumption on NG at 50% load? 161 cfh

    Fuel Consumption on LP at 50% load?82 cfh

    Controller RDC2 Controller

    Cylinder Arrangement V-2

    Dimensions 1193 mm x 666 mm x 817 mm (47 in. x 26.2 in. x 32.2 in.)

    Engine Manufacturer/Description  KOHLER

    Engine Model CH1000

    Engine/Alternator RPM 3600

    Fuel TypeLPG|. Natural Gas

    Frequency 60 Hz

    PhaseSingle Phase or Three PhaseVoltage @ 60 Hz120/240|277/480Digital Voltage Regulation±1.0%

    Built in Mounting Pad Yes

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