Kohler 20RESD 20 kW Generator – Single Phase, Natural Gas|LPG

Emergency Generator Repair

Kohler 20RESD 20Kw 60-Hz home generator runs on a reliable Kohler type CH1000 4-Cycle V-2 engine with maximum 3600 RPM. It produces 2000 watts with LPG and 1800 watts with natural gas. The operational volume is as low as 60 dBA. The dual fuel generator offers advanced voltage and frequency regulation with ultra-low levels of harmonic distortion. Excellent power quality protects all valuable electronics. It features the exclusive PowerBoost technology for a quick startup. Both the generator set and transfer switch functions are managed by a single digital controller. Kohler 20RESD 20 kW generator is ideal for use with computers, laptops, cell phones and tablets as it runs on 60-Hz.

SKU: 20RESD Category:


Kohler 20RCA 20 kW Generator – Single Phase with OnCue Plus, Natural Gas, LPG


Kohler most popular generators for backup power provide award-winning reliability and performance. When you lose power during an outage or storm, a hard-working Kohler 20RESD 20 kW Generator keeps your appliances working, the heat or AC running and your security system on. Now also available in 3 phase.

  • 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 20RESD 20 kW 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: 20RESD at 40.5kVA 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


  • 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.

Additional information