20kW1 Standby Generator

With corrosion-resistant aluminum enclosure

Violent storms aren't just a threat to your property, they're a threat to your peace of mind. When severe weather strikes, this generator delivers all the protection and power your home needs.

20

kW

993

Displacement

3600

RPM

5 Year

Limited Warranty

Features

Corrosion-Resistant Aluminum Enclosure

Overcome extreme elements and hurricane-force winds up to 175 mph with a durable enclosure that protects your investment.

Stainless Steel Base

Endure decades of harsh conditions with a durable, stainless steel base that resists rust.

Commercial-Grade Vanguard™ Engine

Get powerful performance when you need it most with an unrelenting engine that was built for the most punishing conditions.

Symphony® II Power Management Technology

By intelligently orchestrating the balance of high-demand appliances with lower-demand items, Symphony II gives you true, whole-house power from a smaller, more affordable generator.

5-Year Limited Warranty

Enjoy greater peace of mind with a 5-year limited warranty on parts, labor and travel. Click here for details.

Superior Customer Support

Call our U.S.-based Answer Care Representatives by calling (800) 743-4115 for guidance and answers that make the shopping process easy.

Financing Solution

We have partnered with Synchrony to provide financing solutions that fit your needs. Special financing* is available on qualified Briggs & Stratton Standby Generators on the Briggs & Stratton Standby Power Credit Card. *Subject to credit approval. Minimum monthly payments required.

Specs

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Model Number
040574
Running Watts (NG)*
18,000
Engine Series
Vanguard™
Voltage (V)
120/240V AC, Single Phase
Running Amps (NG)
75
LP Fuel Consumption**
2.31 gal / hr
Weekly Exerciser
Yes
Overcrank Protection
Yes
Length (in)
49.2
Height (in)
30.5
Warranty (Product)***
5-Year
Running Watts (LP)*
20,000
Engine Brand
Briggs & Stratton
Engine Displacement (cc)
993
Running Amps (LP)
75
Alternator Type
Self-Excited, Rotation Field
NG Fuel Consumption**
50% Load = 187 ft3 / hr
Battery/Battery Charger
Yes
Phase
1-Phase
Width (in)
31.7
Weight (lbs)
443

Transfer Switches

Transfer Switch Features Model
100 Amp, Symphony® II Transfer Switch 100 Amp transfer switch with Symphony II Power Management System designed to power all standby circuits on a 100 amp electrical service. Our patented, power management system lets you manage your whole house power with a smaller generator. That not only lowers fuel consumption; it also lowers your costs of generator installation, maintenance and operation. This transfer switch is NEMA 3 rated meaning it can be installed either indoor or outdoors. 071071
100 Amp Transfer Switch 100 Amp transfer switch designed to power all standby circuits on a 100 amp electrical service. This transfer switch is NEMA 3 rated meaning it can be installed either indoor or outdoors. 071100
150 Amp Transfer Switch 150 Amp transfer switch designed to power all standby circuits on a 150 amp electrical service. This transfer switch is NEMA 3 rated meaning it can be installed either indoor or outdoors. 071150
150 Amp, Symphony® II Transfer Switch 150 Amp transfer switch with Symphony II Power Management System designed to power all standby circuits on a 150 amp electrical service. Our patented, power management system lets you manage your whole house power with a smaller generator. That not only lowers fuel consumption; it also lowers your costs of generator installation, maintenance and operation. This transfer switch is NEMA 3 rated meaning it can be installed either indoor or outdoors. 071070
200 Amp Transfer Switch 200 Amp transfer switch designed to power all standby circuits on a 200 amp electrical service. This transfer switch is NEMA 3 rated meaning it can be installed either indoor or outdoors. 071200
200 Amp, Symphony® II Transfer Switch 200 Amp transfer switch with Symphony II Power Management System designed to power all standby circuits on a 200 amp electrical service. Our patented, power management system lets you manage your whole house power with a smaller generator. That not only lowers fuel consumption; it also lowers your costs of generator installation, maintenance and operation. This transfer switch is NEMA 3 rated meaning it can be installed either indoor or outdoors. Pair with air-cooled generators. 071068
Dual 200 Amp Symphony® II Transfer Switch Dual 200 Amp transfer switch with Symphony II Power Management System designed for larger electrical services where the incoming power is residential 400 amp. Our patented, power management system lets you manage your whole house power with a smaller generator. That not only lowers fuel consumption; it also lowers your costs of generator installation, maintenance and operation. This transfer switch is NEMA 3 rated meaning it can be installed either indoor or outdoors. This is the industry's only transfer switch designed with two -200 amp transfer switches in one enclosure. 071057

Support

Manuals

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