Winco 16400-056
Winco 16400-056
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Winco PSS12H2W 12 kW Home Standby Generator w/ Honda GX Engine



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Lift Gate
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Free Shipping & Lift Gate
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Estimated Availability March 25, 2021
Shipping to60601
Shipping Details
  • Free to Lower 48 States
  • Lift Gate Service Available - Free Lift Gate Learn More
*We currently CANNOT ship this product to Alaska, Hawaii or any destination outside of the United States
Available Add-Ons
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Lift Gate Service
All products weighing more than 100 lbs. ship via semi-truck. We recommend ordering the Lift Gate Service to safely lower the product to the curb. If you have a loading dock or forklift, you do NOT need a Lift Gate service. If you are a residential customer, you must have at least 2-4 able-bodied people present to unload the product. Learn More
Learn More Installation
Winco PSS12H2W 12 kW Home Standby Generator w/ Honda GX Engine
Winco PSS12H2W 12 kW Home Standby Generator w/ Honda GX Engine
Model: 16400-056
How-To Articles





Standby (Air Cooled)

Run Watts

12,000 Rated Watts


120/240 Single-Phase


LP/Natural Gas


Honda GX
  • Winco 12kw Emergency Standby Generator
  • Now comes standard with "2-Wire" starting
  • Operates On Clean Burning Natural Gas or Liquid-Propane (LP)
  • Engineered for simple and easy field conversion
  • 688cc Industrial-Grade Honda GX690 Engine
  • V-Twin, Horizontal design provides smoother power over single cyl. engines
  • Pressurized lubrication system with spin-on oil filter
  • Fast Response (Req. Automatic Transfer Switch - Not Included)
  • Fast automatic response to power outages in less than 30 secs.
  • Brushless Alternator <5% Total Harmonic Distortion
  • Provides near utility grade power safe for electronics
  • Galvanneal Steel Housing w/ DuPont Powder Coat Paint
  • Key-lockable, rodent-proof design, resists the elements
  • Unique, 3-Chamber Housing Construction
  • Increases air flow while reducing noise and heat
  • Safety Shutdowns & Overcurrent Protection
  • Provides added protection for the generator and load
  • Also Includes Smart Battery Charger
  • Prevents sulfation, increasing the reliability & service life of battery
  • For Prime Power Derate By 20% - Please See Spec Sheet For Details
  • Full Commercial Warranty 1-Year/1000 Hrs. - EPA/CARB Compliant
California residents see
Warning: This product can expose you to chemicals including Benzene which is known to the State of California to cause Cancer, and Ethylene glycol (ingested) which is known to the State of California to cause Developmental Harm.
For more information go to:


Product Specs
120/240 Single-Phase
60 Hertz
Rated Watts
12000 Watts
Surge Watts
12000 Watts
Fuel Type
LP/Natural Gas
NG Power Capacity
10000 Watts
LP Power Capacity
12000 Watts
NG Fuel Consumption @ 50% Load
140 ft³/hr
NG Fuel Consumption @ 100% Load
190 ft³/hr
LP Fuel Consumption @ 50% Load
1.4 gallons/hr
LP Fuel Consumption @ 100% Load
2.1 gallons/hr
Rated Amps
50 Amps
Decibel Rating @ 7m Learn More
Decibel Rating @ 7m
Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB.
Transfer Switch
Automatic (Not Included)
Not Included (500 CCA)
A/C Ton Rating
Mounting Pad
Concrete (Not Included)
Cooling System
Air Cooled
Grade Type
Engine Brand
Honda GX
688 CC
Consumer Engine Warranty
3 Years
Engine RPM
3600 RPM
Low Oil Alert/Shutdown
502 Pounds
Made in USA
Consumer Warranty
1 Year
Product Length
40.15 Inches
Product Style
Standby Generator
Product Width
31.73 Inches
Product Height
30.37 Inches
Additional Model Numbers

ULPSS12H2W, 16400-056


Winco 16400-056 Reviews & Ratings

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Required Accessories 9
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Optional Accessories 10

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Winco PSS12H2W 12 kW Home Standby Generator w/ Honda GX Engine
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