Briggs & Stratton Fortress 48kW Liquid Cooled Standby Generator (Aluminum Enclosure) - 076850

The Briggs & Stratton Fortress 48kW Liquid Cooled Standby Generator with an aluminum enclosure delivers premium whole-house backup power with top-of-the-line features. Part of the Fortress series, this generator offers Symphony® II Power Management, wireless monitoring options, and an industry-leading warranty, ensuring your home remains powered reliably under any conditions.

With a standard six-year parts, labor, and travel limited warranty covering the entire system — including the transfer switch — homeowners can have complete peace of mind. Designed for larger homes and small business applications, this 48kW generator runs on natural gas or liquid propane and operates quietly at 68 dB.

Features

• 48kW liquid-cooled standby generator with aluminum enclosure
• Unmatched 6-year parts, labor, and travel limited warranty (including transfer switch)
• Symphony® II Power Management supports up to 8 high-wattage appliances automatically
• Factory-installed cold kit ensures reliable startup in temperatures down to -20°F
• Compatible with Basic Wireless Monitor and Infohub™ for remote monitoring
• Runs on natural gas or liquid propane for flexible fueling options
• Supported by Briggs & Stratton’s extensive certified dealer network
• Ideal for whole-house backup power or small business applications

Dimensions & Specifications

• Model Number: 076850
• Running Watts: 48 kW (LP), 45 kW (NG)
• Running Amperage: 160 Amps (LP), 149 Amps (NG)
• Voltage: 120/240V
• Circuit Breaker Amps: 200
• Engine Displacement: 4,300 cc
• Sound Level: 68 dB
• Dimensions: 91" L x 39.4" W x 41" H
• Weight: 1,634 lbs
• Fuel Consumption (LP, 50% Load): 337,000 BTU/hr
• Fuel Consumption (NG, 50% Load): 328,000 BTU/hr
• Limited Warranty: 6 Years

Check Out Our Videos

• Why You Need a Standby Generator
• Briggs & Stratton Home Standby Generators: Engineered to Power Your Life
• How a Home Standby Generator Works
• PowerProtect Home Standby Generators Versus Competitors
• Customer Experience: Home Standby Generators
• Testimonial: A Sense of Security During Distress (Sunset, SC)

Notes

• Starting price in US dollars. Does not include installation, automatic transfer switch, accessories, or shipping.
• This generator is rated in accordance with UL 2200 (stationary engine generator assemblies) and CSA C22.2 No.100-14 (motors and generators).
• Fuel consumption rates are estimated based on normal operating conditions. Operation may be affected by elevation and cycling appliances; actual fuel flow may vary.
• †See operator’s manual or briggsandstratton.com for complete warranty details.

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