8kW1 Standby Generator with 50 Amp, Pre-Wired Transfer Switch

Model Number: 040510

Protect your home and family from a power outage by keeping the lights on and basic household appliances running with this backup generator.

This standby generator is paired with a 50 Amp Pre-Wired Transfer Switch, the lowest cost installation option for select circuit transfer switches that saves up to 30% installation time. The 8kW1 standby generator affordably covers your home’s basic circuits, providing backup power to your lights, refrigerator, television and other small appliances. This small generator is designed to fit any property, giving homeowners flexible placement options.

MSRP: $2,199.00

Learn more about this unit (PDF)

PlugSelect Circuit

The most cost-effective way to power your home's basics. Powers up to 10 electrical loads, such as your fridge, lights, and TV's.

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, Smaller Package

    As one of the most powerful generators packaged in the smallest footprint of its class, this compact home generator keeps more of your appliances powered during a power outage.

  • Flexible Placement3

    Have a tight lot line? Worried about your curb appeal? Install your generator as close as 18" for your home. Our generators are in compliancy with the stringent National Fire Protection Agency 37 standard.

  • 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.

  • Powerful Engine

    Engineered specifically to meet the demands of a standby generator, Briggs & Stratton® premium engines deliver reliability, performance and durability — 105-plus years in the making

  • Durable Enclosure

    Designed to weather the elements, the system's enclosure is made from automotive-grade Galvanneal steel to resist rust. Its advanced powder coat paint process results in years of protection against chips and abrasions.

  • 3-Year Limited Warranty2

    Home generators are backed by Briggs & Stratton's customer-friendly 3-year limited parts and labor warranty.

  • 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 are available at
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 of fire-fighting operations.

  • Have a question? Search our FAQs to find answers related to model specifications, routine maintenance, repair or troubleshooting. Search FAQs »

  • Find genuine Briggs & Stratton repair and/or maintenance parts for your engine or outdoor power equipment to ensure future performance. Purchase Parts »

8kW1 Standby Generator with 50 Amp, Pre-Wired Transfer Switch
Engine Brand Briggs & Stratton OHV Engine
CC 500
Operation Fully Automatic
Voltage (V) 120/240V AC, Single Phase, 1.0 pf
Alternator Type Brushed, Computer Friendly
LP Fuel Consumption 1.04 gal/hr (LP) 94 ft3/hr (NG)
NG Fuel Consumption 1.57 gal/hr (LP) 121 ft3/hr (NG)
Overcrank Protection Yes
Length (in) 28
Width (in) 24.4
Height (in) 35.1
Weight (lbs) 252
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.

InfohubTM Wireless Monitor

Infohub™ notifies your computer, tablet, smartphone and/or dealer with your generator status, maintenance needs and service schedule reminders. Simple, hands-free and affordable, Infohub is a good choice for wireless monitoring.

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.

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

50 Amp Pre-Wired Transfer Switch

Paired with a Briggs & Stratton 8kW1 standby generator, the Pre-Wired Automatic Transfer switch can power up to 10 or 16 circuits (model dependent) and was specifically designed for an easier and more cost-effective installation, by saving up to 30% of installation time. Unlike competitive units, this automatic transfer switch can be …

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