Champion 12.5-kW Home Standby Generator

Champion 12.5-kW Home Standby Generator

Champion’s 12.5-kW Home Standby Generator provides 24/7 power for your home and peace of mind for you. This fully automatic unit is the quietest-in-class and never needs refueling. Designed to operate in sub-zero temperatures or extreme heat, this unit has a 10-year limited warranty.


The Champion Power Equipment 100136 12.5-kW Home Standby Generator is The Simple Solution™ to a power outage. Enjoy peace of mind while ensuring security and convenience for your family during an emergency.

The generator starts automatically when the power goes out and returns to standby when power is restored. The 24-volt starting system operates in temperatures ranging from -22° F to 104° F with no warming kit necessary.

You’ll have the starting power you need during an emergency since the onboard battery charger maintains the charge at all times, plus, since the generator is connected to your propane or natural gas system, it never needs refueling. This unit also performs weekly self-diagnostic tests.

An all-weather, composite mounting pad is included for easy installation, plus the steel enclosure protects your generator from the elements.

Our innovative gull-wing design provides easy access to the engine and control panel and allows a full view of the onboard control system.

The Champion 717cc OHV engine provides 12.5-kilowatts of continuous power on propane and 11-kilowatts on natural gas. This 12.5-kW-rated unit produces 52.1 amps at 240 volts on propane and 45.8 amps at 240 volts on natural gas.

The sound-dampening lining and low-tone muffler reduce noise through a unique baffle system and make this unit the quietest in its class. The residential-friendly 63 dBA has about the same noise level as normal conversation.

The alternator produces less than 5% total harmonic distortion (THD) to ensure safe use with even the most sensitive electronics.

This generator is available for all 50 states. Buy with confidence – Champion Support and our nationwide network of service centers will back your purchase up with a 10-year limited warranty and FREE lifetime technical support.

Dimensions52.00 × 32.10 × 33.90 in


Propane Rated Watts8500W
Natural Gas Rated Watts7500W
Propane Rated Amps at 120V70.8A
Propane Rated Amps at 240V35.4A
Natural Gas Rated Amps at 120V62.5A
Natural Gas Rated Amps at 240V31.3A
Rated Volts120/240
Rated Frequency60Hz
Propane Fuel Consumption at 1/2 Load1.0  gal/h
Propane Fuel Consumption at Full load1.5 gal/h
Natural Gas Fuel Consumption at 1/2 Load97.5 ft3/h
Natural Gas Fuel Consumption at Full Load139.8 ft3/h
Main Line Circuit Breaker35.5A
Starting SystemAutomatic 24V
Operational Volume59.5 dBA
Cooling SystemAir Cooled
AC Ton Rating3T
Generator EnclosureSteel
Generator Mounting PadComposite
Engine BrandChampion
Engine Size439cc
Engine Type4-stroke V-Twin
Engine Speed3600
Fuel TypePropane (LPG), Natural Gas (NG)
Engine Oil TypeMobil 1 5W-30 Full Synthetic
Engine Oil Capacity1.2 qt.
Engine Oil IncludedNo
Low Oil Shut-OffYes
UL ListingcULus
EPA CertifiedYes
Switch Amps50A
Switch Volts120/240
Switch TypeEmergency Essential
Switch Circuits12
Switch Poles2
Load ManagementNo
Service Entry RatedNo
Switch EnclosureNEMA 1
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