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The Winco DR550V4 diesel standby generator offers a reliable and durable Volvo engine, a Stamford (Cummins) generator end, and up to 550 kW of power. Available in several three-phase voltage models. Open Skid design (POWR-PAK) or with Cabinet Enclosure (SOUND-PAK). Optional fuel tanks are available. UL 2200 and CSA Listed.


Spec Sheet

Winco DR550V4

SKU: DR550-1
  • Volvo Industrial Engine

    Reliable and durable, Volvo engine for standby power operations will ensure peace of mind, day after day.

    Deep-Sea 7310 MKII Controller

    Our digital controller is powerful and dynamic with a user-friendly interface.

    Stamford Generator End

    Alternators built to produce clean power for industrial applications.

    Battery Charger

    Marine-grade, 8 Amp battery charger.

    Block Heater

    In-line Kim Hotstart, 120V, 2250 Watt, block heater with thermostat.

    Powder Coat Paint

    Provides a durable, long-lasting finish.

    100% Load Tested

    We load test every generator before it leaves our factory.

  • Watts

    120/240 1-Ph: N/A
    120/208 3-Ph: 550000
    120/240 3-Ph: 550000
    277/480 3-Ph: 550000
    346/600 3-Ph: 550000


    120/240 1-Ph: N/A
    120/208 3-Ph: 1909
    120/240 3-Ph: 1651
    277/480 3-Ph: 827
    346/600 3-Ph: 661

    Voltage Output

    120/208 Volt Three Phase, 120/240 Volt

    Three Phase, 277/480 Volt Three Phase, 346/600 Volt Three Phase

    Voltage Regulation

    AVR (Automatic Voltage Regulator)




    EPA Standby


    Enclosed: 236" x 78" x 92"


    9590 lbs Open Skid
    11950 lbs. Housed

    Unit Warranty

    2 yr/2000 hrs

    Assembled In


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