KOHLER Generators

12 kW Generator

12 kW Generator

12RES Single Phase, Natural Gas|LP

12RES Single Phase, Natural Gas|LP

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Overview

Affordable, commercial-grade power for basic power needs. When a bad storm or utility failure knocks out your power, the 12RES KOHLER® generator keeps your lights on, fridge cold and sump pump working. This generator will power most appliances in smaller homes, or a few critical items in larger homes.*

  • Reliable.
    Inside this generator is a commercial-grade engine built to withstand extreme workloads year after year.
  • Powerful.
    In just 10 seconds, your KOHLER generator automatically restores power to your heat or AC as well as appliances and electronics.*
  • Premium warranty.
    We've got you covered with 5-year, 2,000-hour protection and a steel enclosure that's built to last.
  • Flexible.
    Fits both standby and off-grid applications for the ultimate versatility while saving the battery with hibernating controller capability
  • Money Saver.
    No pricey concrete pad needed. Your contractor – and your wallet – will appreciate the built-in mounting pad and easy-to-connect terminal block.

THE POWER YOU NEED

  • PowerBoost™ technology provides the power to start large loads without dropping power to other appliances
  • Extraordinary peak motor-starting capacity to start and run a typical 4 ton air conditioner while still running other home appliances and electronics
  • 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)

THE CONVENIENCES YOU EXPECT

  • ADC-RES Advanced Digital Control designed for today's sophisticated electronics
  • Quiet, neighborhood-friendly operation with sound levels similar to a typical central air conditioner
  • Steel enclosure with automotive-grade paint for advanced corrosion protection
  • Runs on either natural gas or liquid propane (LPG) with simple switching between natural gas and LPG in the field
  • Streamlined installation, including built-in base that eliminates need for concrete mounting pad and simple terminal block for easy field connections

Specs

Rated kW LP 12 kW
Rated kW NG 10.4 kW
Amps LP 50 amps
Amps NG 43 amps
Peak Motor Starting kVA @240 V 32 kVa
Alternator Note All information shown is for 1 Phase 60 Hz generator with the largest alternator option available.
Displacement 0.725 L (44 cu. in.)
Horsepower NG 20.5 HP, LP 23.6 HP
Enclosure Material Steel
Sound Output During Weekly Exercise 65 dB(A)
Sound Output During Full-speed Operation 65 dB(A)
Response Time 10 seconds
Warranty Premium five-year limited warranty
Country of Origin US
Certifications/Listings CARB|EPA|UL 2200
Automatic Transfer Switch Included No
Remote Monitoring Available Yes
Off Grid / Utility Backup Utility Backup|Off Grid
Weight 400 lbs. (182 kg)
Alternator Type 2-Pole, Rotating Field
Fuel Consumption on NG at 50% load? 124 cfh
Fuel Consumption on LP at 50% load? 60 cfh
Controller Advanced Digital Control
Cylinder Arrangement V-2
Dimensions 1123 mm x 726 mm x 804 mm (44.2 in. x 28.6 in. x 31.6 in.)
Engine Manufacturer/Description KOHLER
Engine Model CH740
Engine/Alternator RPM 3600
Fuel Type Natural Gas|LP
Frequency 60 Hz|50 Hz
Phase Single Phase
Voltage @ 60 Hz 120/240
Digital Voltage Regulation ±1.5%
Built in Mounting Pad Yes

Literature and Specs

Hello Rich-We’re thinking of you today with great appreciation for the outstanding the job you and your team did installing (and The job you did maintaining) our generator. You even included the circuit that powers the Tesla!

It’s working beautifully and we’re very grateful to have it! Thanks!

– Steve, Mendham Twp.