LiftMaster DDO8900W Light-Duty JackShaft Dock Door Operator

Light-Duty Dock Door Operator – Sectional & Vertical Mount

The DDO8900W Light-Duty Dock Door Operator is a high-efficiency jackshaft opener designed for sectional and full-vertical garage doors in low-cycle commercial settings. Ideal for warehouses, loading docks, and light industrial facilities, this operator combines modern access technology, enhanced safety, and smooth performance for doors up to 14 ft high and 300 lbs.

With built-in WiFi, myQ Business compatibility, and Security+ 2.0 encryption, this unit offers remote access, real-time monitoring, and advanced dock management features. Its internal chain and sprocket drive ensures reliability while shielding mechanical parts from dirt and debris.

Key Features

• Mounting Style: Jackshaft (side-mounted)

• Applications: Sectional, full-vertical, and high-lift doors

• Cycle Rating:

  • Max 10 cycles per hour

  • Max 25 cycles per day

• Security+ 2.0: Rolling code encryption on 310, 315, 390 MHz

• Built-in WiFi: Enables myQ Business Facility integration

• Soft start/stop operation: Quiet, smooth motion with less wear

• UL 325 Compliant: Includes monitored entrapment protection system

• 3-button wall station, interface module, and safety reversing sensors included

Technical Specifications

• Motor: 12 VDC with automatic thermal protection

• Power: 120 VAC, 60 Hz, 2.0 A with 6-ft power cord (3-prong)

• Drive System: Internal chain & sprocket (63:1 gear reduction)

• Max Door Specs:

  • Height: 14 ft

  • Width: 16 ft

  • Area: 180 sq ft

  • Weight: 300 lbs

• Operating Range: Approx. 200 ft

• Minimum Clearance Required: 3 inches above center of torsion bar

• Not compatible with reverse wound drums

Included Components

• Commercial-grade dock door operator

• Bicycle-style sash chain

• Interface module

• 3-button wall-mounted control station

• Single cable tension monitor

• Safety reversing sensors

• All required fasteners and mounting hardware

Smart Dock Door Operation

• myQ Business dashboard integration (1-year trial included)

• Mobile app control for operators, status monitoring, and usage insights

• Dock-level analytics: view productivity, delivery logs, and efficiency metrics

Dimensions

• Operator Unit: 21.5" H x 7.5" W x 7.9" D

• Control Console: 6.25" H x 3.2" W x 2.2" D

Ideal For

• Warehouses & logistics centers

• Distribution docks

• Facilities with scheduled, low-frequency door usage

• Businesses seeking secure, connected, and efficient dock access