Specification Sheet
12kW
1
 Standby Generator
Briggs & Stratton
®
The Smart Choice
Reliable back-up power for added peace of mind. 
Guard against losses due to power outages with 
a Briggs & Stratton Standby Generator. 
4
New Upgraded Control System
•  New AVR optimizes generator performance with tighter voltage control
•  LCD display that displays multi-line text and graphics 
•  Default exercise cycle setting of 16 seconds
•  Low speed exercise available to save fuel and reduce noise
•  Monitors cold temperatures to avoid moisture buildup in engine oil
•  Cleaner power with improved frequency regulation
•  More eicient alternator capable of starting most 5-ton air conditioners  
Designed for Easy Installation & Maintenance
•  Approved for installation as close as 18" to a building
2
•  Removable roof and side panels provide better service access to  
the engine and alternator
•  Controller, battery charger, and AVR can be replaced separately
•  External on/o switch located on back of enclosure
Commercial Vanguard® Engine
•  Easy conversion between natural gas (NG) and liquid propane vapor 
(LPV) during installation
•  Advanced debris management keeping engine clean and cool for 
enhanced durability and performance
•  Dynamically balanced crankshaft minimizes engine noise and vibration 
Charging System
•  Independent battery charger
•  Optimizes battery life with a 3-stage battery charger (bulk, 
absorption, and float stage)
Corrosion Resistant Enclosure & Base
•  Made with automotive grade galvanneal steel to resist rust
•  Powder-coated paint for years of protection against chips  
and abrasions
•  Certified to withstand hurricane-force winds up to 175mph
5
Briggs & Stratton® Full Synthetic Generator Oil
•  Shields the engine from low temperature sludge buildup  
and high temperature deposits
•  Reduces engine wear, scoring and abrasion 
Compatible with Symphony® II Power 
Management System
•  Customizable to your home’s needs
•  Automatically balances the power of your home’s electrical load 
including high wattage items like air conditioning units and 
electric ovens 
•  Oers whole house power with a more aordable home generator
•  Compatible transfer switches and modules sold separately
1
  This generator is certified 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
 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.
3
 Single phase units are rated at 1.0 power factor and three phase units are rated at 0.8 power factor.
4
 See operator’s manual or BRIGGSandSTRATTON.com for complete warranty details.
5
 Up to 175 mph, when installed in accordance with the installation manual.
Generator Set Rating
Liquid Propane Vapor Natural Gas Limited Warranty
4
Model
Enclosure 
Type
Voltage Phase
3
Hz
Circuit 
Breaker Amps
LPV kW
1
LPV Amps NG kW
1
NG Amps Parts, Labor, Travel
040590 Steel 120/240 1 60 60 12 50 10.8 45 5 Year




