Winco PSS20B2W Air Cooled 17kW Residential or Business Stationary Standby Generator Natural Gas Propane Briggs & Stratton Vanguard



The biggest WINCO air-cooled emergency standby generator is the PSS20B. The powerful big block Briggs & Stratton Vanguard engine is durable and powerful. With over 62.5 amps of output on LPĀ  gas there is enough power that your family will barely notice the power is out. Since it is built by WINCO you know that is built to higher quality standards and that we load test each model before it leaves the factory to ensure it meets our high performance standards.

Engine Features

  • Commercial grade Briggs & Stratton Vanguard engine
  • V-Twin horizontal design provides smoother power over single cylinder engines
  • Pressurized lubrication system with automotive style oil filters
  • Field selectable between NG and LP

Generator Features

  • 125/40o C temperature rise
  • <5% total harmonic distortion is perfect for sensitive electronic loads
  • +/-5% voltage regulation

Housing Design

  • Galvanneal steel housing with DuPont powder coat paint resists corrosion
  • Rodent proof
  • Identically keyed lockable doors
  • Quiet neighbor friendly operation



NG Max Cont. kW 15
NG Max Cont. Amps 62
LP Max kW 17
LP Max Cont. Amps 71
Fuel LP/NG Field Selectable
Engine Make B&S Vanguard
Engine Model Vanguard
Governor Mechanical
Displacement 993 cc/OHV
Fuel Consumption 100% Load (LP) 3.61 gal/hr
Cooling System Air-Cooled
Generator Poles 2-Pole
Fuel Consumption 100% Load (NG) 328 ft3/hr
Available Voltages 120/240V 1-PH
Operating RPM’s 3600
Voltage Regulation +/-5%
THD Less Than 5%
Generator Temp. Rise 125/40 degrees C
No Load db(a) 64.9 (Avg)
Full Load db(a) 76.3 (Avg)
EPA Approved Yes
CARB Approved Yes
ETL (UL2200) Yes
Warranty 1 yr/1000 hrs


Additional information

Weight 995 lbs