2020 12 kW1 Fortress Standby Generator 040546 - Briggs & Stratton

2020 12 kW1 Fortress Standby Generator 040546 - Briggs & Stratton

Outlast the next power outage, maintain your family's comfort and power the basics with a 12kW1 Fortress standby generator. Although small, it still packs plenty of power so your home's basic circuits and small appliances stay on during an outage.


    • InfoHub™ Wireless Monitoring: Lets you monitor your generator's status on your computer, tablet or smartphone sending maintenance reminders so your generator is always ready for the next power outage. Click here for more information.
    • Symphony® II Power Management: Manages the distribution of power to your selected appliances automatically. Load management ensures the generator won't overload and shutdown so your family can continue with its daily routine.
    • Commercial Vanguard™ Engine: Our in-house state of the art equipment to enhance part control which makes the Vanguard™ Engine one of the best in the industry. For the dirty demanding environments, this engine is built to last.
    • Best in Class Warranty: Covers parts, labor and travel for the full-length of the warranty.2
    • Assembled and Engineered in the USA: With domestic and foreign parts.
    • Corrosion Resistant: Durable enclosure made from automotive-grade galvanneal steel to resist rust. Its advanced powder coat paint process results in years of protections against chips and abrasions.
    • Flexible Placement Options: Includes the ability to install your generator as close as 18 inches from your home.3
    • Low Idle Mode: Scheduled weekly test mode that runs at a low RPM for fewer disturbances and less fuel consumption. (Only on model #s 040591, 040608)
    • Superior Customer Support: Our product is backed by our nationwide dealer network and call center experts. Please click here or visit the customer support portal to get your questions answered.
    • Financing Solution: We have partnered with Synchrony Bank to provide financing solutions that fit your needs. Special financing4 is available on qualified Briggs & Stratton Standby Generators only with the Standby Power Credit Card
    • Description


      • Model: 040546
      • Running kW (NG)*: 11
      • Running Amps (NG)*: 45.8
      • Engine Displacement (cc): 627
      • NG Fuel Consumption at 50% Load** (BTU/hr): 50% Load 116.9 ft3/hr
      • Length (in): 28
      • Height (in): 37.2
      • Warranty (Product)***: 6 Year Parts, Labor & Travel Limited Warranty
      • Battery Charger: Yes
      • Running kW (LP)*: 12
      • Running Amps (LP)*: 50
      • Engine Brand: Briggs & Stratton
      • Voltage (V): 120/240V AC, Single Phase, 1.0 pf
      • LP Fuel Consumption at 50% Load** (BTU/hr): 50% Load = 1.7 gal/hr
      • Width (in): 26
      • Weight (lbs): 318
      • Weekly Exerciser: Yes


      1 This generator is rated in accordance with UL (Underwriters Laboratories) 2200 (stationary engine generator assemblies) and CSA (Canadian Standards Association) standard C22.2 No.100-14 (motors and generators). 2 See operator's manual or BRIGGSandSTRATTON.com for complete warranty details. 3 Installations must strictly comply with all applicable codes, industry standards, laws, regulations and provided installation manual. Running engines give off carbon monoxide, an ordorless, colorless, poisonous gas, so it is important to keep exhaust gas away from any windows, doors, ventilation intakes or crawl spaces. The installation manual contains specific instructions related to generator placement in addition to NFPA 37, including the requirement that carbon monoxide detectors be installed and maintained in your home or business. 4 Subject to credit approval. Minimum monthly payments required.

    • Specs

      Availability Brochure
      Style Residential Generators
      Displacement 627 cc
      Engine Type Briggs & Stratton
      Weight 318 lb.
      Width 26 in.