Toll-Free: 888-970-2271 | Local: 505-323-2032 | 5001 Edith Blvd NE Albuquerque, NM 87107 | 8702 Menaul Blvd NE Albuquerque, NM 87112

Kohler 12RES – 12kW Standby Generator

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.

Call to order this item. 888-970-2271.



  • 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.
  • 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)


  • 12,000 Watts
  • Operates on Natural Gas or Liquid Propane
  • Length 44.2 inches, Width 28.6 inches, Height 31.6 inches
  • Dry weight of generator is 430 pounds
  • Model 12RESV 8 point logarithmic average sound levels are 65dB(A). All sound levels are measured at 7 meters with no load.
  • 5-year/2000 hour limited warranty

Additional information

Weight430 lbs
Dimensions44.2 × 28.6 × 31.6 in


Cooling System

Air Cooled

Fuel Type

Natural Gas, Propane

Power Output


Sound Level

65 dB


5 year


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