26 kW Generator

26RCA with OnCue Plus

  • Starting at $6520.00* MSRP
  • Model Number 26RCA
  • Fuel Type LPG, Natural Gas
  • Phase Single Phase
  • ATS Sold Separately
  • Remote Monitoring Included

*Exclusive Kohler colors and Mossy Oak camouflage patterns available. Kohler exclusive colors additional $510. Mossy Oak patterns additional $975. Starting price in US dollars. Does not include installation, automatic transfer switch or accessories or costs to export outside the US.


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 14/20/26 kW KOHLER® generator keeps your appliances working, the heat or AC running and your security system on.*

  • 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.

  • Customizable

    Customize your generator with ten new colors and three camouflage patterns.


  • 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, 20RCA at 41kVA at 240V, and 26RCA at 39kVA 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
  • Attractive powder-coated aluminum enclosure designed to handle the elements including hurricane force winds up to 181 mph.
  • 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.


  • Why go generic when you can choose a KOHLER color? Complement the color to your home—or have it stand out to make a statement with one of our ten new exclusive colors. Only available with Kohler. View Exclusive Color Options
  • Take your generator to the next level with Mossy Oak® camouflage patterns – only from Kohler. Three popular camouflage patterns that allow your generator to Blend In with the surrounding landscaping or to Stand Out to show your appreciation for your favorite Mossy Oak camouflage pattern. Choose from Original Bottomland, Break-Up Country, or Shadow Grass Habitat. Available on single phase generators only.
*Based on generator and load size.
Model 26RCA
Rated kW LP 26 kW
Rated kW NG 24 kW
Amps LP 109 amps
Amps NG 100 amps
Peak Motor Starting kVA @240 V 39 kVa
Alternator Note All information shown is for 1 Phase 60 Hz generator with the largest alternator option available.
Displacement 999 cm³ (61 cu. in.)
Horsepower NG 33.0 HP, LP 36.4 HP
Enclosure Material Aluminum
Sound Output During Weekly Exercise 56 dB(A)
Sound Output During Full-speed Operation 67 dB(A)
Response Time 10 seconds
Warranty Premium five-year limited warranty
Country of Origin US
Certifications/Listings EPA,cUL,UL 2200
Automatic Transfer Switch Included Sold Separately
Remote Monitoring Available Included
Off Grid / Utility Backup Utility Backup
Weight 625 lbs. (283 kg)
Alternator Type 2-Pole, Rotating Field
Fuel Consumption on NG at 50% load? 180 cfh
Fuel Consumption on LP at 50% load? 85 cfh
Controller RDC2 Controller
Cylinder Arrangement V-2
Dimensions 1193 mm x 660 mm x 820 mm (47 in. x 26.0 in. x 32.3 in.)
Engine Manufacturer/Description KOHLER
Engine Model CH1006
Engine/Alternator RPM 3600
Fuel Type LPG,Natural Gas
Frequency 60 Hz
Phase Single Phase
Voltage @ 60 Hz 120/240
Digital Voltage Regulation ±1.0%
Built in Mounting Pad Yes
**Warranty conditions only apply to North America.