Generac 6237 Liquid Propane / Natural Gas 8kW, 120/240V Liquid Propane / Natural Gas Standby Generator System with 50A 10-Circuit Switch from the Guardian Series

- Item #: BCI2221258

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Liquid Propane / Natural Gas
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8kW 120/240V Liquid Propane / Natural Gas Standby Generator System with 50A 10-Circuit Switch from the Guardian Series

Product Features:

  • 8kW (LP) / 7kW (NG) of power ensures your home will retain power through unexpected outages
  • 33.3 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 10 Circuit Load Center Style Auto Transfer Switch (50A)
  • 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 single cylinder, overhead valve industrial engine features plateau honed cylinder walls and plasma moly rings which help reduce operating temperature
  • Engine Displacement: 410cc
  • 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: 360 lbs
  • Noise Rating at Normal Operating Load: 62 dbA at 7m
  • NG Power Capacity: 7kW
  • LP Power Capacity: 8kW
  • NG Consumption (50% Load): 78 cubic feet per hour
  • LP Consumption (50% Load): 0.87 gallons per hour

Additional Generac Links

Our SKU: Generac 6237

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

  • Generac 6237
    Liquid Propane / Natural Gas

*Denotes a finish or option that has been discontinued

Generac 6237 Product Specifications

Specification Sheet
Installation Guide
Installation Sheet
Owner's Manual
ATS Poles 2
ATS Service Disconnect No
Alternator Type Brush
Amperage 33
Auto Shut Off Yes
Auto Voltage Regulation Yes
Battery Included No
Battery Type 350 CCA
CARB approved Yes
CC 410
Cast Iron Sleeve Yes
Control Type Digital
Cooling System Air Cooled
Electric Start Yes
Enclosure Material Steel
Enclosure Type NEMA 3R
Engine Brand Generac OHVI, Generac
Engine Size 410
Frequency 60
Fuel Type Liquid Propane, Natural Gas
Generator Style Standby
Grade Emergency
Height 29
Hour Meter Included Yes
Installation Location Outdoor
LP Consumption 0.94
LP Power Capacity 8000
Length 48
Low Oil Alert Yes
Manufacturer Warranty 5 Year, 5 Year Commercial, 5 Year Commercial (Engine), 5 Year Residential, 5 Year Residential (Engine)
Motor RPM 3600
Mounting Pad Included Yes
Mounting Pad Material Composite
NG Power Capacity 7000
Natural Gas Consumption 77
Noise Rating 62 dbA at 7m
Number of Cylinders 1
Outdoor Sound Level (dba) 62
Phase 1
Product Weight 360
RPM (High) 3600
Rated Amps 33.3 Amps @ 240 Volts (Single Phase)
Run Watts 8000
Starting System Electric
Transfer Switch Amperage 100
Transfer Switch Included Yes
Transfer Switch Style Automatic
UL Listed Yes
Voltage 120, 240
Voltage Meter No
Wattage 8000
Width 25

Installation Resource Center

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