• Usually Ships Following Business Day


  • Usually Ships Following Business Day
MSRP: $129.23
(You save $11.75 )
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The LiftMaster 41D794 motor with positioning sensor, available from North Shore Commercial Door, is designed for use with LiftMaster model 3850 Garage Door Openers. The motor is a direct replacement for original part and is sized to fit within the ceiling-mount housing of the operator. The motor boasts an impressive 3/4 horsepower and is compatible with backup battery systems manufactured by the Chamberlain Group. The backup battery system will power the motor for 40 cycles over a 24-hour period.

The 41D794 garage door replacement motor is powered by a standard belt drive system for reliability and performance. The ultra-quiet DC motor features an enclosed gear case that provides continuous lubrication for a longer life and improved operation. The motor is outfit with a positioning sensor for enhanced safety. If anything crosses under the door during operation, the motor automatically stops and reverses, preventing accidents and injuries. For security, once the door is down, the motor will not allow the door to be opened manually unless the power is out.

  • Compatible with LiftMaster model 3850 garage door openers
  • Motor includes positioning sensor
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