17-19-20kW briggs and stratton generator

Briggs & Stratton
20 kW1 Standby Generator
With corrosion-resistant aluminum enclosure

Model#: 040574

  • Corrosion-Resistant Aluminum Enclosure
  • Commercial-Grade Vanguard™ Engine
  • 5-Year Limited Warranty
  • Financing Solution
  • Symphony® II Power Management Technology
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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.

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.

Running Watts (LP)
Running Watts (NG)
Engine Brand:
Briggs & Stratton
Engine Series:
Engine Displacement (cc)
Fully Automatic
Voltage (V)
120/240V AC, Single Phase, 1.0 pf
Running Amps (LP)*
Running Amps (NG)*
Alternator Type
Computer Friendly
LP Fuel Consumption**
50% Load = 2.31 gal/hr
NG Fuel Consumption**
50% Load = 187 ft3 /hr
Weekly Exerciser
Battery/Battery Charger
Overcrank Protection
Diagnostic Alerts with Remote System Status
Low Oil Shutdown, Engine Does Not Start, Low Frequency, Engine Overspeed, Low Voltage, Low Battery Voltage, Oil Temp High, Transfer Switch Fault
Length (in)
Width (in)
Height (in)
Weight (lbs)
Warranty (Product)***
8 Year Parts, Labor & Travel Limited Warranty

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17-19-20kW briggs and stratton generator