2019 Fortress 20kW Standby Generator (040573) - Briggs & Stratton

2019 Fortress 20kW Standby Generator (040573) - Briggs & Stratton

Few things disrupt your life like severe weather. Fortunately, few things let you fight back against severe weather like the Briggs & Stratton Fortress 20kW standby generator.


    • 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.
    • Oil Warmer: For an extra level of defense against extreme elements, an automatic oil warmer makes sure your generator always starts.
    • 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.
    • 6-Year Limited Warranty: Unmatched in the industry, our 6-year limited warranty on parts, labor and travel gives you absolute protection. 6 year parts, labor & travel limited warranty.
    • 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.
    • Description


      • Model Number: 040573
      • Running Watts (NG)*: 18,000
      • Engine Series: Vanguard™
      • Voltage (V): 120/240 V, Single Phase
      • Running Amps (NG): 75
      • LP Fuel Consumption**: 50% Load = 187F3 /hr
      • Weekly Exerciser: Yes
      • Overcrank Protection: Yes
      • Length (in): 49.2
      • Height (in): 30.6
      • Warranty (Product)***: 6 Years
      • Running Watts (LP)*: 20,000
      • Engine Brand: Briggs & Stratton
      • Engine Displacement (cc): 993
      • Running Amps (LP): 83.3
      • Alternator Type: Computer Friendly
      • NG Fuel Consumption**: 50% Load = 2.31 gal/hr
      • Battery/Battery Charger: Yes
      • Phase: 1-Phase
      • Width (in): 31.7
      • Weight (lbs): 443
    • Specs

      Availability Brochure
      Style Residential Generators
      Ac Output 20,000W (LP)
      Displacement 993 cc
      Engine Type Vanguard™Series
      Weight 443 lb.