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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.*
Features
  • 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.

Specifications

Brand

Model

  • 20RCA

Rated kW LP

  • 20 kW

Rated kW NG

  • 18 kW

Amps LP

  • 83 Amps

Amps NG

  • 75 Amps

Peak Motor Starting kVA at 240 V

  • 41 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 27.1 hp
  • LP 30.9 HP

Enclosure Material

  • Aluminum

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

Country of Origin

  • US

Certifications/Listings

  • UL 2200
  • CSA
  • EPA
  • cUL

Automatic Transfer Switch Included

  • Sold Separately

Remote Monitoring Available

  • Included

Off Grid/Utility Backup

  • Utility Backup

Weight

  • 555 lbs (252 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 Type

  • LPG
  • Natural Gas

Frequency

  • 60 Hz

Phase

  • Single Phase or Three Phase

Voltage at 60 Hz

  • 120/240/277/480

Digital Voltage Regulation

  • ± 1.0 %

Built-In Mounting Pad

  • Yes
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