Specification
12kW STANDBY GENERATOR
2
FUEL CONSUMPTION
1
50% Load 100% Load
Liquid Propane 6 2 .1  f t
3
 / hr 1.7 gal / hr 83.8 f t
3
 / hr 2.3 gal / hr
Natural Gas 117  f t
3
 / hr — 172 f t
3
 / hr —
SOUND RATING
AT 7 METERS PER ISO 3744
69 dBA
Lowest measurement of 12 microphones around generator. 
Sound level measurement at other locations around generator 
may be different depending upon installation configuration.
LUBRICATION
Oil Capacity (oz) 48
Lubrication System Full Pressure
Recommended Oil 5W30 Full Synthetic
Low Oil Pressure Sensor Yes
ALTERNATOR SPECS
Manufacturer Mecc Alte
Type Self-Excited, Rotation Field
Voltage Regulator Brushless
Insulation Class H
CONTROLLER FEATURES
Hour Meter Yes
LED Digital Display Yes
Fault Code Display Yes
Weekly Exerciser Yes
ENGINE
Engine Model Briggs & Stratton Vanguard
™
Engine Model Type Trim Number 389575-0002E1
Engine Speed (RPM) 3600
Engine Fuel
Liquid Propane (LP) or 
Natural Gas (NG)
Engine Cylinder Configuration OHV
Number of Cylinders 2
Displacement (cc) 38 / 627
Bore & Stroke (in) 2.97 / 2.76
Compression Ratio 8.3:1
Governor Type Electronic
Frequency Regulation +/- .5%
Valves OHV with Hardened Seats
Ignition System
Fixed timing Magnetron
®
Electric Ignition 
Starter Motor Rating Voltage 12 Vol t
Battery 12 Vol t
OPERATIONS
ENGINE SPECIFICATIONS
1
 Fuel consumption rates are estimated based on normal operating conditions. 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.




