Generac 6437 11kW Standby Generator System with a 50A 12-Circuit Switch from the Guardian Series

- Item #: BCI2219176

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Liquid Propane / Natural Gas
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11kW Standby Generator System with a 50A 12-Circuit Switch from the Guardian Series

Product Features:

  • 11kW (LP) / 10kW (NG) of power ensures your home will retain power through unexpected outages
  • 46 Amps @ 240 Volts (Single Phase)
  • Connects to existing liquid propane or natural gas fuel supply for easy and efficient power
  • Covered under 5 Year Commercial / Residential Warranty
  • Galvanneal steel enclosure with Rhinocoat finish provides superior weather protection, withstanding up to 150 mph winds
  • Multi-lingual Evolution Digital Controller allows for easy monitoring and management of generator functions
  • UL Listed to UL2200 Engine / Generator Standard for Safety
  • Includes Generac 12 circuit automatic transfer switch (50 Amp)
  • Programmable Seven Day Exerciser starts the generator once per week for 12 minutes to prevent oil seal drying and damage between power outages


  • Generac OHVI Engine: This V-twin, overhead valve industrial engine features plateau honed cylinder walls and plasma moly rings which help reduce operating temperature
  • Engine Displacement: 530cc
  • Engine RPM: 3600 (Revolutions per Minute)
  • Air Cooled
  • Covered Under 5 Year Commercial Warranty
  • Covered Under 5 Year Residential Warranty
  • Includes Low Oil / High Temperature Alert and Automatic Shutdown

Product Technologies / Benefits:

  • Solid-State, Frequency Compensated Voltage Regulation: This state-of-the-art power maximizing regulation system provides optimized fast response to changing load conditions and maximum motor starting capability by electronically torque-matching the surge loads to the engine
  • True Power Technology: Delivers less than 5% total harmonic distortion for clean, smooth operation of sensitive electronics and appliances

Product Specifications:

  • Overall Height: 29”
  • Overall Length: 48”
  • Overall Width: 25” 
  • Product Weight: 407 lbs
  • Noise Rating at Normal Operating Load: 63 dbA
  • NG Power Capacity: 10kW
  • LP Power Capacity: 11kW
  • NG Consumption (50% Load): 124 Cu.Ft. per hour
  • LP Consumption (50% Load): 1.18 Gallons per hour

Additional Generac Links

Our SKU: Generac 6437

This product is listed under the following manufacturer number(s):

  • Generac 6437
    Liquid Propane / Natural Gas

*Denotes a finish or option that has been discontinued

Product Videos

  • Generac Standby Generator Saves the Day
    Learn about Generac Standby Generators and how they saved the day in a small mid west town.
  • Generac Standy Generator Commercial
    Watch the Generac Standby Generator Commercial.

Installation Resource Center

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