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The Winco PSS90 standby generator is built with the same block as the famous Chevy 5.7L and utilizes premium components throughout its construction.


The 1800 RPM emergency standby generator is designed to automatically start and quickly provide up to 90kW of backup power to homes and businesses. SKU: PSS90


The DSE8610 MKII represents the latest in complex load sharing & synchronizing control technology. The module has been designed to allow the operator to start, stop and synchronize the generator. If required, transfer the load to the generator either manually or automatically.


Spec Sheet

Winco PSS90/E

  • PSS90/E Generator With Housing

    Our PSS90 standby generator is perfect for many different power needs. This unit can run on LP or natural gas. It is not unreasonable to expect 20-30+ years of service from a well-maintained unit like this.

    GM 5.7L Turbo Engine

    The 8-cylinder, overhead valve engine meets EPA/CARB emission regulations. The 5.7L  is the premier industrial workhorse, providing the power needed to get the job done without sacrificing fuel efficiency or durability.

    Stamford Generator End

    Industrial grade generator ends are predominantly used for standby applications. These alternators are very versatile for more demanding and challenging applications.

    Premium Circuit Breakers

    Dependable circuit breaker protection.

    Battery Charger

    Factory-installed 3 stage, 2 Amp battery charger.

    Block Heater

    In-line Hotstart, 120V, block heater with thermostat.


    The DSE7310 MKII is a powerful, new generation auto-start Genset control module with a highly sophisticated level of new features and functions, presented in the usual DSE user-friendly format.

    Galvanealed Steel Weather Enclosure

     Our weather enclosures provide sound reduction while our powder coat paint provides a durable, long-lasting finish.

    100% Load Tested

    We load test every generator before it leaves our factory.

  • Watts LP

    120/240 1-Ph: 80000
    120/208 3-Ph: 80000
    120/240 3-Ph: 80000
    277/480 3-Ph: 80000

    Watts NG

    120/240 1-Ph: 90000
    120/208 3-Ph: 90000
    120/240 3-Ph: 90000
    277/480 3-Ph: 90000

    Amps LP

    120/240 1-Ph: 333
    120/208 3-Ph: 278
    120/240 3-Ph: 240
    277/480 3-Ph: 120

    Amps NG

    120/240 1-Ph: 375
    120/208 3-Ph: 312
    120/240 3-Ph: 270
    277/480 3-Ph: 135

    Voltage Output

    120/208 Volt Three Phase, 120/240 Volt Single Phase, 120/240 Volt Three Phase, 277/480 Volt Three Phase, 346/600 Volt Three Phase

    Voltage Regulation

    AVR (Automatic Voltage Regulator)

    Engine Brand





    EPA Standby


    102.5" x 36.45" x 51.9"


    2350 lbs.

    Unit Warranty

    1 yr/1000 hrs

    Assembled In


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