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Model # 76031
MSRP: $15,849.00
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Briggs & Stratton 45kW Whole House Power Home Standby Generator 76031

Briggs and Stratton Briggs and Stratton
Model#: 76031
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Briggs and Stratton 76031 Details and Specifications

Briggs & Stratton liquid-cooled standby generators supply extra large and luxury homes with emergency power. The 45 kilowatt 76031 can power all your critical home needs along with all the comforts and luxuries of life, while providing you the peace of mind that comes from more than 100 years of Briggs & Stratton experience. Standby home generators are permanent backup power solutions that protect homes and families from power outages. Combined with an automatic transfer switch, whole-house backup generators start and run automatically, even if you are not home.

For reliable emergency power that keeps your home and family during a power outage, trust Briggs & Stratton standby generators to begin supplying power just moments after the power goes out and continue until it comes back on. A four-year, part- and-labor limited warranty rates with the best in the industry.


For reliable and economical standby power, the 76031 includes a GM Vortec, 5.0 liter, 8-cylinder engine to turn the generator unit at 1800 RPM. The slower engine speed of these standby generators gives better fuel economy, longer engine life, and quieter operation for a neighbor-friendly installation.

A fully pressurized lubrication system and a controller that constantly monitors engine sensors provides protection from low oil pressure, over-speed, or high-temperature conditions that could damage or destroy the engine.

Fuel Choices

Liquid-cooled standby generators from Briggs & Stratton are factory configured to run on Natural Gas. During installation, the generators are easily converted to use LP gas (propane). Operating on LP Gas, fuel use on the 76031 runs at about 4.5 gallons per hour at half load. Natural gas use is about 429 cubic feet per hour at half load. Fuel consumption rates are affected by the electrical load and change along with the demand placed on the generator. Altitude and temperature also affect performance and consumption.

Backup Power

This standby home generator supplies up to 45,000 watts of continuous power on both LP gas and on natural gas. The controller regulates engine speed at a constant 1800 RPM to maintain the 60hz frequency. Frequency control combined with voltage regulation allows the generator to supply utility-grade power compatible with computers and other power-sensitive electronics.

Standby generators require automatic transfer switches for independent operation. The Briggs & Stratton model 71036 transfer switch (sold separately) will manage your generator power for the entire house. During an outage, it instructs the generator to start and then switches the main service panel from utility power and onto generator power, all within seconds after the outage occurs.

The optional 71035 Load Control Center (sold separately) will manage up to four priority high demand loads and two air conditioners. Managing high demand loads allows them to run without overloading the generator.

The Air Conditioning Control Modules (ACCM) remember the power requirements of your air conditioners, then only allow the units to start when there is sufficient starting power available. A five minute delay between starts reduces starting power requirements. It all works together to keep your home cool and comfortable in the hottest weather.


Galvanneal steel all-metal enclosures meet fire safety codes and provide a long life of corrosion resistant service, even in the salt air of coastal regions. The 45kW standby generator is about 100 inches wide, 40 inches deep and 42 inches high and mounts on a prepared concrete pad. Most central air conditioners are noisier than the 62db produced by these generators.


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Warranty Information

Consumer Warranty: 4 Year Limited

Product Specifications

Model Number 76031
Manufacturer Briggs & Stratton
Made In USA Yes
Rated Watts 45kW
Surge Watts 56kW
Rated Amps 187.5 LP/ 187.5 NG
Voltage 120/240V Single Phase
A/C Ton Rating 5 Ton
Enclosure Coastal Climate Approved
UL Listed Yes
Decibel Rating 65 dba
Starting System Electric/Automatic
Low Oil Alert Yes
Hour Meter Yes
Voltage Meter Low Voltage Alert
Battery Requirement 12Volt-650CCC-55 Amp-Hour
Mounting Pad Requires Prepared Site
Product Weight 2100 lbs.
Dimensions (Inches) 98.5x39.5x44
Engine Brand GM Vortec
Engine Size 5.0 Liter/V-8
Engine RPM 1800 RPM
Cooling System Liquid Cooled
Alternator Type Brushless
Frequency 60Hz
Auto Voltage Regulation Yes
Fuel Type LP/NG
NG Power Capacity 42kW
LP Power Capacity 45kW
NG Consumption @ Full Load 717 cu.ft/hr.
NG Consumption @ 1/2 Load 429 cu.ft/hr
LP Consumption @ Full Load 7.7 gal/hr
LP Consumption @ 1/2 Load 4.5 gal/hr
Transfer Switch
Transfer Switch Model Sold Separately
Warranty Information
Consumer Warranty 4 Year Limited
Commercial Warranty 2 Year Limited
Shipping Weight 2100 lbs
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Product Reviews

  1. Powerhouse

    Posted by Unknown on 26th Apr 2011

    Powerhouse best describes the capability of this generator featuring a GM Vortec engine. Perfect for a large estate or business.

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Shipping Terms

All generators include 24 hour delivery notification and residential delivery. Liftgate service is available on all air-cooled generators and some liquid cooled units – Please call for verification. Free Shipping is curbside service only. Curbside service means the freight company will deliver to your address and lower your generator to the ground. The freight company will not back down driveways, place a generator in a building or where it is being installed. You are responsible for arranging the movement and setting of the generator.

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