LJ8950 Shaft Extension for 940/944

Item #: 504490

Product Details:

Shaft extension used for the Liftmaster LJ8950 operator for 944 or 940 doors

  • Size of door may change what shaft extension is needed
  • Doors that are 5’W x 10’4’’ or 11’1’’W or wider uses 955 axle
  • operator has to have been bought through Trac Rite Doors for this shaft extension to work and depending on size of door.
  • please call or email for questions or to make sure what shaft extension is needed.
    • will need to know model and size of door (Width x Height)
      • also, if operator was bought through Trac Rite Doors 


PDF Datasheet