Kohler 20kW Generator

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.


Rated kW LP 20 kW
Rated kW NG 18 kW

Amps LP 83.3 amps
Amps NG 75.0 amps

Peak Motor Starting kVA @240 V 40.5 kVa

Horsepower NG 27.1 HP, LP 30.9 HP

Sound Output During Weekly Exercise 64 dB(A)
Sound Output During Full-speed Operation 69 dB(A)

Response Time 10 seconds
Warranty Premium five-year limited warranty

Remote Monitoring Available Yes

Weight 535 lbs.

Engine Manufacturer/Description KOHLER

Fuel Type Natural Gas|LPG

Phase Single Phase or Three Phase
Voltage @ 60 Hz 120/240
Digital Voltage Regulation ±1.0%
Built in Mounting Pad Yes