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45kW1 Standby Generator

Model Number: 076151-00

Protect your business with the 48kW1 commercial standby generator. Power demands for small-medium sized busnesses today are high, but with the durable GM Vortec Engine in a reliable backup generator, your busness doesn't have to skip a beat during power loss.

Product Ratings

  • Best Commercial Warranty

    Compared to other 1 and 2 year commercial warranties, Briggs & Stratton offers a 4 year (1,600 hours) limited warranty2 that includes parts and labor for the duration of the warranty. It’s the most comprehensive warranty in the commercial standby power industry.

  • Durable GM Vortec Engine

    More fuel efficient and quieter than 3,600 RPM engines, commercial standby generators feature a GM Vortec 1,800 RPM engine for neighbor and budget-friendly operation.

  • Longer Product Life

    Maximize your investment with a standby generator that can stand the test of time. Designed for longer product life and budget-friendly operation, Briggs & Stratton standby generators have low speed 1,800 RPM liquid cooled engines, limited temperature rise on the alternator and corrosion-resistant, all-metal enclosures.

  • Easier to Service

    Convenient access points make it easier for technicians to service. Immediate access to the entire engine can be reached without time-consuming disassembly.

  • Worry-free Monitoring

    Discover maintenance needs on your standby generator before a power outage with these great accessories. The Basic Wireless Monitor is placed inside your home and will let you know when your generator is working or if it needs service without ever leaving the house. The Infohub™ Wireless Monitor tells you what you want to know about your generator from your computer, tablet, or smart phone. Alerts will let you and/or your dealer know what service needs to be performed on the generator.

  • Small - Medium Businesses

    Perfect for small-to-medium businesses, the Briggs & Stratton 45kW1 Commercial Standby Generator helps you automatically power your business’ essential electrical loads.

  • Durable and Weather-Resistant Enclosure

    Galvanneal steel provides years of rust-resistant, outdoor protection – perfect for extreme weather conditions.

  • Voltage Options

    Briggs & Stratton commercial standby generators are available in a variety of voltages: 120/240, 120/208 and 139/240.

1This generator is rated in accordance with UL (Underwriters Laboratories) 2200 (stationary engine generator assemblies) and CSA (Canadian Standards Association) standard C22.2 No. 100-04 (motors and generators).
2Warranty details available at
3Installations must strictly comply with all applicable codes, industry standards, laws, regulations and provided installation manual. Running engines give off carbon monoxide, an odorless, 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.

45kW1 Standby Generator
Running Watts (LP) 45,000 for 120/240V; 48,000 for 120/208V or 139/240V
Running Watts (NG) 45,000
Engine Brand GM
Engine Series Vortec
CC 5013
Number of Cylinders 4
Operation Fully Automatic
Voltage (V) 120/240, 120/208, 139/240
Running Amps 187.5 LP 187.5 NG
Alternator Type 4-pole, brushless
Fuel Consumption (Cubic Feet per Hour @ 1/2 Load) 4.5 gal/hr (LP); 173 cubic ft/hr (LP) for 120/240V or 4.8 gal/hr (LP); 185 cubic ft/hr (LP) for 120/208V and 139/240V. 429,000 BTU/hr (NG)
Weekly Exerciser Yes
Battery/Battery Charger Included
Overcrank Protection Yes
Hour Meter Yes
Diagnostic Alerts with Remote System Status Low Oil Shutdown, Engine Does Not Start, Low Frequency, Engine Overspeed, Low Voltage, Low Battery Voltage, Engine Temp High, Transfer Switch Fault, Over Voltage Protection
Length (in) 98.4
Width (in) 39.5
Height (in) 44.5
Weight (lbs) 1890
Warranty (Product) 4 Year Limited Parts and Labor

*NG = Natural Gas; LP = Liquid Propane. **Fuel consumption rates are estimated based on normal operating conditions at 1/2 load. Generator operation may be greatly affected by elevation and the cycling operation of multiple electrical appliances - fuel flow rates may vary depending on these factors.

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