Lowe's Home Improvement
Briggs & Stratton 20000-Watt (LP)/18000-Watt (NG) Standby Generator with Automatic Transfer Switch

Briggs & Stratton 20000-Watt (LP)/18000-Watt (NG) Standby Generator with Automatic Transfer Switch

Item #: 494287 |  Model #: 040396

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20000-Watt (LP)/18000-Watt (NG) Standby Generator with Automatic Transfer Switch

  • Includes a dual 200/split 400 amp automatic transfer switch with flexible indoor/outdoor installation
  • Automatically powers your home in seconds after sensing a power outage
  • Powers more of your appliances plus up to 2 air conditioners
  • Closer placement options for ease of installation per the National Fire Protection Agency 37 standard
  • Comprehensive 5-year limited parts and labor warranty
  • Durable enclosures are made from the same rust-resistant, galvanneal steel that is used in the automotive industry
  • Dependable engine power from commercial-grade Briggs & Stratton Vanguard engines
Fuel Type Liquid propane or natural gas
Running Watt Range 19100 to 22000
Liquid Propane Rated Wattage 20000
Natural Gas Rated Wattage 18000
Engine Displacement (Cu. Centimeters) 993
Engine Series N/A
Automatic Transfer Switch Included Yes
Number of Circuits Whole house
Transfer Switch Amps 200
Transfer Switch Rating 200 amp
Engine Brand Briggs & Stratton
Full Load Fuel Consumption (GPH) 4
Weight (lbs.) 484
Response Time (Seconds) 26
Exercise Cycle Yes
Length (Inches) 48
Width (Inches) 34
Low Oil Shut Down Yes
Hour Meter Yes
Overload Protection Yes
Automatic Voltage Regulation Yes
Circuits Protected Whole house
Total Harmonic Distortion <5%
Warranty 5-year limited
Color/Finish Family Gray
Material Galvanneal steel
UL Safety Listing Yes
CSA Safety Listing Yes
ETL Safety Listing No
Normal Operating Load dB Noise Level 69
Series Name N/A
Height (Inches) 38.5
Wattage Range (Diesel) 15100 to 20000
Fuel Consumption 1/2 Load (D) 0
Diesel Rated Wattage 0
Amperage at 240 Volts (Diesel) 0
Wattage Range (Liquid Propane) 15100 to 20000
Fuel Consumption 1/2 Load (NG) 187
Wattage Range (Natural Gas) 15100 to 20000
Fuel Consumption 1/2 Load (LP) 2.31
Amperage at 240 Volts (Liquid Propane) 83.3
Amperage at 240 Volts (Natural Gas) 75
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