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10kW1 Standby Generator with 100 Amp, 16 Circuit Automatic Transfer Switch

Model Number: 040451

Don’t let its size fool you! Thanks to a compact design and a commercial-grade Vanguard™ engine, the 10kW1 standby generator proves big power can come in a small generator. In a small to medium-sized home, the new 10kW1 standby generator affordably manages the power to all of your appliances with our Load Control Center.

Designed to fit any property, its flexible placement options and compact size make backup power a reality for many homeowners.

MSRP: $2,899.00

Learn more about this unit (PDF)

PlugPlugEssential Power-Plus!
Essential Power - Plus! provides power for a select number of circuits as well as powering up to two air conditioners. Essential Power - Plus! is available on the 10kW1-20kW1 standby generators with a 100 Amp, 16 Circuit transfer switch. Learn what you can power with the 16 circuit transfer switch!

Product Ratings


  • Did you know that each week, 3.5 million Americans will experience a power outage in their home? Watch this video to learn about the benefits of owning a standby generator!

  • More Power in a Smaller Generator

    The compact 10kW1 standby generator has one of the highest power outputs per square inch of footprint in its kW class - providing backup electricity to more of your household appliances.

  • Flexible Placement3

    Tested against the tough National Fire Protection Agency 37 standard, Briggs & Stratton 10kW1 standby generators can be placed as close as 18” from the home providing more placement options in your yard3 – perfect for tight lot lines.

  • Natural Gas Pressure Requirements

    Rated for operation in areas with low natural gas pressure. This standby generator can operate at 3.5'' to 7'' water column.

  • Reliable Engine Power

    Our 10kW1 standby generators are powered by commercial-grade Vanguard™ engines that are design-engineered to dependably take on the most demanding jobs. 

  • 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.

  • 3 Year Limited Warranty2

    At Briggs & Stratton, we stand behind our 3-year limited parts and labor warranty and make it easy for our customers to work with us.

  • Availability

    This standby generator is available for sale in all 50 states.

1This generator is rated in accordance with UL (Underwriters Laboratories) 2200 (stationary engine generator assemblies) and CSA (Canadian Standards Association) standard C22.2 No. 100-04 (motors and generators).
2Warranty details available at BriggsandStratton.com
3Installations must strictly comply with all applicable codes, industry standards, laws, regulations and provided installation manual. Running engines give off carbon monoxide, an odorless, colorless, poisonous gas so it is important to keep exhaust gas away from any windows, doors, ventilation intakes or crawl spaces. The installation manual contains specific instructions related to generator placement in addition to NFPA 37, including the requirement that Carbon monoxide detectors be installed and maintained in your home.
Not for prime power or use where standby systems are legally required, for serious life safety or health hazards, or where lack of power, hampers rescue or fire-fighting operations.

10kW1 Standby Generator with 100 Amp, 16 Circuit Automatic Transfer Switch
Running Watts (LP) 10000
Running Watts (NG) 9000
Engine Brand Briggs & Stratton Vanguard™ V-Twin
CC 570
Operation Fully Automatic
Voltage (V) 120/240V AC, Single Phase, 1.0 pf
Alternator Type Brushed, Computer Friendly
Fuel Consumption (Cubic Feet per Hour @ 1/2 Load) 1.19 gal/hr (LP) 115 ft3/hr (NG)
Fuel Consumption (Cubic Feet per Hour @ Full Load) 1.82 gal/hr (LP) 180 ft3/hr (NG)
Overcrank Protection Yes
Length (in) 28
Width (in) 24.4
Height (in) 35.1
Weight (lbs) 272
Warranty (Product) 3 Year Limited Parts and Labor

*NG = Natural Gas; LP = Liquid Propane. **Fuel consumption rates are estimated based on normal operating conditions at 1/2 load. Generator operation may be greatly affected by elevation and the cycling operation of multiple electrical appliances - fuel flow rates may vary depending on these factors.

OPTIONS DESCRIPTION
10-12kW1 Cold Weather Kit Help ensure smooth starting and reliable operation in the winter months with the Briggs & Stratton Cold Weather Kit tested to start at -20° F. The thermostatically controlled battery warmers and oil heaters activate as the temperature drops. The 10kW1 (6030A) kit includes a battery warmer and an oil heater. View Generator Accessory
10kW1 Maintenance Kit

Briggs & Stratton maintenance kits help you complete scheduled maintenance and prevent costly repairs on your standby generator. Maintenance kits are designed specifically for your generator’s needs. The 10kW1 (6035) maintenance kit contains air and oil filters, oil, and 2 spark plugs for your model. View Generator Accessory

8-10kW1 Basic Wireless Monitor Easy, trouble-free monitoring is a reality with the new Briggs & Stratton Basic Wireless Monitor. Place the wireless monitor in your home and know your generator is working without ever having to go outside. View Generator Accessory
Standby Generator Automatic Transfer Switch

100 Amp 16 Circuit Transfer Switch

The 100 amp, 16 circuit automatic transfer switch provides power for select number of circuits. Featuring our patented Air Conditioning Control Module (ACCM), the 100 amp, 16 circuit transfer switch manages the load of 1 or 2 air conditioners while keeping household appliances powered. Flexible, indoor /outdoor transfer switch placement makes …

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