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Liquid-Cooled engines will last several times the hours of air-cooled models. All Winco liquid-cooled generators operate at 1,800 rpm improving life and fuel economy. The GM Vortec industrial engines start quickly in an emergency and with electronic fuel and governor controls your standby generator will meet the most stringent generator standards. The emergency generators are outfitted with sophisticated safety controls that protect your emergency generator and home from damage. The control constantly monitors engine and electrical inputs and outputs to make sure everything is performing to standards. If a dangerous condition occurs, the generator will automatically shut itself off. The best part is that there isn't any guessing. The generator provides error codes with vital diagnostic information. Winco liquid-cooled generators are normally available from inventory from 21 - 90 kilowatts.

The WINCO PSS30 is an 1,800 rpm emergency standby generator designed to automatically start and quickly provide backup power to homes and businesses. WINCO has been in the generator business since 1927 and specializes in domestically manufacturing high quality generators. WINCO continues this long tradition with the PSS30. Powered by the industrial 3.0L Inline 4 GM engine the PSS30 is both reliable and fuel efficient. The industrial Stamford generator end produces exceptionally clean and stable power. With voltage regulation +/-1% and less than 5% total harmonic distortion, this emergency generator is safe for sensitive electronics.


Model Year
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Engine Make
Engine Model
Engine Type
4-cylinder inline
Fuel Type
NG / LP gas field selectable
Fuel Consumption
4.83 gph LP


DC Voltage
120 / 240 1-PH
120 / 208 3-PH
120 / 240 3-PH
277 / 480 3-PH
Maximum AC Output
30 kW


1,478 lbs. shipping

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*Price, if shown, is Manufacturer's Suggested Retail Price (MSRP) and does not include government fees, taxes, dealer freight/preparation, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.