Briggs and Stratton 20 kW Standby with 200-Amp Whole House Automatic Transfer Switch | 40676

Availability: In Stock
  • $3,175.00

  • Ex Tax: $3,175.00

Briggs & Stratton 20kW Standby Generator

The Briggs & Stratton 20kW Standby Generator comes complete with a 200-Amp Whole House Automatic Transfer Switch—a complete system ideal for new home backup generator installations. Rated for installation down to 18-inches from the home, the standby generator blends into the landscape with an appealing profile without using up your yard space. The Amplify Power Management system (see below) ensues your most important appliances have power when you need them.

Briggs and Stratton 20kW Generator systems include the longest, most comprehensive warranty in their class. The 6-Year* Limited Warranty covers parts, labor, and travel for the entire 6-year term. With the 200 Amp Service Rated ATS, the 20kW Briggs and Stratton Generator and Power Management System restore power to your entire home for the duration any power outage. Made in the USA with a commercial-grade Vanguard engine.

Briggs and Stratton 20kW Generator

The Briggs and Stratton 20kW Generator has a 993 cc V-Twin OHV Vanguard commercial-grade engine equipped with Low Oil Shutdown to prevent engine damage. This 20kW standby generator also has a high temperature shutdown, LED display, and a built-in battery charger. 

20kW Briggs and Stratton Generator 40676 Ratings

Use Rating

Standby Only—Utility Grid Must Connected


120/240 Volts Single Phase

Running Watts

20kW LP Propane / 20kW Natural Gas

Running Amps

83.3 Amps LP Propane / 83.3 Amps Natural Gas

Main Circuit Breaker

80 Amps

Normal Operating Sound

68 dBA

Frequency Regulation

±1.0 Percent

Engine Speed

3600 RPM


20kw Briggs and Stratton Generator

A 20kW Briggs and Stratton Generator is always ready to restore power to your home during utility outages. Fully automatic, it works in any weather including hurricanes, day or night. Whether you’re at home, away on vacation, or sleeping in your bed, the 20kW generator senses a power outage. Within seconds, the generator starts and signals the automatic transfer switch. The ATS switches from utility to generator power. Power management ensures your home’s essential appliances and circuits have power when they need it.

Where temperatures fall below 30 degrees Fahrenheit, install a battery warmer and oil warmer to ensure fast, easy starts. In below freezing temperatures, a warm battery provides more power for starting the generator. Warm oil lubricates better which prolongs engine life and makes it easier to start. LP Propane Installations for areas with below zero temperatures should install a regulator warmer.

Power Management

The New Briggs and Stratton Generator and Automatic Transfer Switch systems include an Amplify 200-Amp Service Rated Transfer Switch and Amplify Gateway Module.

With Amplify power management, the homeowner can control up to 32 prioritized appliances via the Standby Generator Management App. The Amplify system requires the Gateway, Dual Low Voltage Modules, and High Voltage Modules. Low voltage modules manage appliances with controls like a thermostat—Air Conditioners, Furnaces, and Heat Pumps. High voltage appliances like electric ranges, water heaters, and electric dryers use the high voltage modules.

The Standby Generator Management App allows the homeowner to change system priorities as needed. For example, the electric range might receive a higher priority over the electric dryer while cooking dinner.

Your Briggs & Stratton 20kW Standby Generator Installation requires the use of a Carbon Monoxide Detector inside the home to guard against CO Poisoning.

This Briggs & Stratton 20kW Standby Generator is NOT rated for Prime Power Applications.

Battery Not included—12 Volt, Group BCI 26 or 51, 540 Cold Cranking Amps

Enclosure Warranty

  • 1-Year Parts/Labor/Travel covers surface rust and corrosion.
  • 3-Year Parts/Labor/Travel covers enclosure rust through.

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