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The LiftMaster® SL585 is a durable heavy-duty gear-driven operator for use on heavy gates and high-cycle applications such as gated communities and industrial locations.

All LiftMaster Openers and Operators should be purchased through a Dealer and professionally installed.


  • Provides High-starting torque, continuous duty AC industrial motor with overload protection.
  • Features Heavy-duty Wormgear-in-Oil Gear Reducer.
  • Fits your current power requirements with 115/208/230 VAC Power Single-Phase, 208/230/460 VAC Three-Phase options.
  • Allows the gate to travel at 11” per second.
  • Protects against door and operator damage due to obstacles with the Adjustable Friction Clutch.
  • Resists the elements with a Pad Lockable Weather-Resistant Lockable Cover.
  • Easily access and maintain the operator with a large control box and accessory tray.
  • Fits most sites with its universal footprint.
  • Supports Long-Distance Digital Logic Control (supports runs over 1,000 feet) to give you greater flexibility of Operator placement.
  • Applies Open/Close/Stop functions with the standard three-push-button control station. Controls with one, two and three buttons are available.
  • Features an Industrial-Size 0 Across-the-Line Magnetic Reversing Contactor.
  • Automatically close the door with Timer-To-Close (programmable in 1-second or 15-second increments).
  • Easily install and maintain the Operator with a fully adjustable driven limit system.
  • Comes with Pad and Post Mount Standard.
  • Includes a a 5 ft. #50 Nickel Plated Chain for durable operation.
  • Have peace of mind with LiftMaster®’s 2-Year Warranty.
  • Access your facility quickly and safely with Security+ 2.0 Technology, which virtually eliminates interference and offers up to 2X the range of standard remotes.
  • Stores up to 90 remotes with the built-In 850LM Security+ 2.0 receiver.
  • Provide easy, emergency manual operation using a readily accessible disconnect.
  • Protect vehicles from damage with an Inherent Entrapment Protection System that stops, reverses and stops again if it comes in contact with a vehicle.
  • Adds substantial gate position control at all points in travel with an Automatic Braking System.
  • Activates/Deactivates the Integrated Maglock to electronically lock down the operator.
  • Allows for a full range of optional external devices with Interrupt & Exit Loop Detector Inputs.
  • Compliant to all UL 325 standards for Class I, II, III and IV.


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