United Mechanical Inc
Kohler Generator

20kW Generator

20kW Generator
<no value>20kW Generator
<no value>20kW Generator
<no value>20kW Generator

20kW Generator

Popular generators for backup power, with an automatic transfer switch included. When you lose power during an outage or storm, a hard-working 20 kW KOHLER® generator keeps your appliances working, the heat or AC running and your security system on.*

*Starting price in US dollars. Does not include installation or accessories or costs to export outside the US.
* Reliable.

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

* Powerful.

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: 20RESCL 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 optional 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


Comes with either an RXT 100-amp indoor-rated automatic transfer switch with 16-circuit load center or RXT 200-amp outdoor-rated service entrance rated automatic transfer switch with load shed kit

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

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

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

Single Phase
Fuel Type
Natural Gas|LPG
Off Grid / Utility Backup
Utility Backup
Enclosure Material
Peak Motor Starting kVA @240 V
41 kVa
Voltage @ 60 Hz
999 cm³ (61 cu. in.)
NG 27.1 HP, LP 30.9 HP
Built in Mounting Pad
Sound Output During Weekly Exercise
64 dB(A)
Sound Output During Full-speed Operation
69 dB(A)
Premium five-year limited warranty
1216 mm x 665 mm x 733 mm (48 in. x 26.2 in. x 29 in.)
580 lbs. (263 kg)
Country of Origin
EPA|UL 2200|cUL
Automatic Transfer Switch Included
Remote Monitoring Available
Fuel Consumption on LP at 50% load?
82 cfh
Fuel Consumption on NG at 50% load?
161 cfh
Alternator Note
All information shown is for 1 Phase 60 Hz generator with the largest alternator option available.
Alternator Type
2-Pole, Rotating Field
RDC2 Controller
Cylinder Arrangement
Engine Manufacturer/Description
Engine Model
50 Hz|60 Hz
Digital Voltage Regulation
20RESCL with Automatic Transfer Switch
Off Grid Warranty
Required Accessories
Recommended Accessories
Optional Accessories

Get a Quote

Just give us a call or fill out the form, and one of our representatives will set up a time to provide a free consultation, talk about your specific needs and provide a quote on the generator and installation that is right for you.

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United Mechanical Inc

8170 Mainline Parkway
Fort Myers, FL 33912

About Us

At KOHLER, we understand that the three most important things you want in your generator are affordability, reliability and quality service. About Us

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