Wayne Dalton Trolley Arm Attachment Operator Bracket Wayne Dalton garage door opener bracket for connecting your chain, screw or belt drive garage door opener to your door. Fits directly over top section of garage door and attaches to built in strut. For models 9100, 9600, 5120, 5140. Includes: Garage door opener bracket 320787 Hardware bag 321475 Installation instruction manual Specs: 4-1/2" Wide 2-3/4" Tall, with 15/16" flange at bottom 6 - 13/64" drilled bolt holes on back of bracket 2 - 11/64" screw holes on front top lip of bracket Riveted clevis with 13/32" diameter clevis pin hole Constructed of 16 gauge galvanized steel. Compatibility Compatible with: Compatible with all Wayne Dalton 9100, 9600, 5120, and 5140 doors Instructions Installation Instructions - Click here to download manualOld Part Number: 320787
