


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 |
12RES Single Phase, Natural Gas|LP
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
*Based on generator and load size.