Briggs and Stratton 40451 10 kW, 120/240V Steel Standby Generator with 100A 16 Circuit + AC Shedding

- Item #: BCI2172640
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Configure your Briggs and Stratton 40451 10 kW, 120/240V Steel Standby Generator with 100A 16 Circuit + AC Shedding

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  • Briggs & Stratton Sandby Generators
    Learn about the Briggs & Stratton Standby Generators and how the system works.
  • Why Buy A Home Standby Generator
    We are all aware of storms that can knock down powers to millions, or record snow falls that bring down trees and power lines. Not matter where we live the electrical grid effects everybody. Most of the grid was built 50 years ago and only had a 40 year life expectancy. Make sure your not left in the dark with a backup standby generator.

10 kW 120/240V Steel Standby Generator with 100A 16 Circuit + AC Shedding

Product Features:

  • 10kW (LP) / 9kW (NG) of power ensures your home will retain power through unexpected outages
  • Connects to existing liquid propane or natural gas fuel supply for easy and efficient power
  • Produces 42 Amps @ 240 Volts (Single Phase)
  • Covered under 4 Year Residential Warranty
  • Enclosure made from galvanneal steel offers superior corrosion resistance
  • Weather resistant automotive rust proofing paint finish
  • Managed Whole House Power system powers your household appliances plus up to 2 air conditioners
  • UL Listed to UL2200 Engine / Generator Standard for Safety
  • Automatic Transfer Switch Included – 100 Amp Automatic Transfer Switch with 16 circuit LC
  • The Self-Test Mode periodically runs a self test to ensure that your generator will be ready to work when you need it


  • Briggs and Stratton Vanguard OHV Engine: This V-twin, overhead valve commercial grade engine has been application engineered for power generation
  • Engine Displacement: 570cc
  • Engine RPM: 3600 (Revolutions per Minute)
  • Air Cooled
  • Covered Under 3 Year Residential Warranty
  • Includes Low Oil Alert and Automatic Shutdown

Product Technologies / Benefits:

  • Fully Automatic Standby: Advanced electronics detect when an utility power outage occurs and automatically starts the generator
  • Durable Enclosure: Rust-resistant, galvanneal steel enclosures are made from the same materials and paint process used in the automotive industry, resulting in years of protection against chips and abrasions
  • Front Air Ventilation: Featuring unique airflow technology, the standby generator’s design pushes engine exhaust out the front of the unit and directly away from the house
  • More Access to Air Conditioners: Briggs & Stratton automatic transfer switches can manage the loads of up to two air conditioners while powering other household appliances
  • Low Natural Gas Pressure Requirements: This standby generator can operate at 3.5" to 7" water column


  • Overall Height: 35.1”
  • Overall Length: 28"
  • Overall Width: 24.4” 
  • Product Weight: 272 lbs
  • NG Power Capacity: 9,000 watts
  • LP Power Capacity: 10,000 watts
  • NG Consumption (50% Load): 115 Cu.Ft. per hour
  • LP Consumption (50% Load): 1.19 Gallons per hour

Additional Briggs and Stratton Links

Our SKU: Briggs and Stratton 40451

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

*Denotes a finish or option that has been discontinued

Briggs and Stratton 40451 Product Specifications

Owner's Manual
Specification Sheet
Battery Info
Installation Sheet
AC Rating 3
Battery Included No
CARB approved Yes
CC 570
Consumer Engine Warranty 3 Years
Consumer Warranty 3 Years
Cooling System Air Cooled
Decibel Rating 75
Enclosure Type Steel
Engine Brand Briggs & Stratton
Engine Size 570
Frequency 60
Fuel Type Liquid Propane, Natural Gas
Generator Style Standby
Grade Emergency
Height 35.1
Length 28
Low Oil Alert Yes
Made in America Yes
Maximum Amperage 42
Motor RPM 3600
Number of Cylinders 2
Product Weight 272
RPM (High) 3600
Rated Amps 42 Amps @ 240 Volts (Single Phase)
Starting System Electric
UL Listed Yes
Voltage 240
Width 24.4

Installation Resource Center

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Briggs and Stratton 40451 Reviews

  • Is a battery included?


    The battery for the Briggs and Stratton 40451 is not included.

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