LiftMaster DDO8900W Commercial Dock Door Operator

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Commercial Dock Door Operator

  • For full vertical or high-lift lightweight sectional commercial and dock doors.
  • LMi5 Sensor Connection Box monitors up to 5 external sensors around the dock door with myQ® Facility.
  • Opens 50% faster in the up direction. 12"/sec up and 8"/sec down.
  • Easily connect the operator to the facility's network with built-in Wi-Fi®.
      • Max sq ft: 180 ft sq
      • Max height for *sectional* door: 14 ft.
      • Max width for *sectional* door: 16 ft
      • Max door weight: 300 lbs


    Business Connectivity

    Monitor and Control

    myQ® technology enables monitoring and control of the operators through a mobile app.

    Facility's Network

    Easily connect the operator to the facility's network with built-in Wi-Fi®.

    Real-time alerts

    Indicate the status of doors via email.

    Business Safety and Security

    Safety Standards

    Meets UL 325 Safety Standards.

    Commercial Safety Sensors

    Protect people and vehicles with safety sensors and accessories that stop the door from closing on obstructions.

    Security+ 2.0®

    Safeguard facility access with Security + 2.0 technology, opening for registered devices only.

    Commercial Power

    Current Rating

    120V AC, 60Hz Voltage, 1.5A Current Rating

    UL® Listed

    UL Listed

    Reduce Maintenance

    Extend hardware life and reduce maintenance with smooth start/stop operation.

    Ensure Access

    Ensure access to the facility when the power's out by adding Battery Backup (485LM, optional accessory).


    Safety Sensor Kit 041A5034

    Cable Tension Monitor Kit 041A6104

    3-button station 02103

    Installation Manual