Garage Door Trolley Arm Bracket Kit For 9100 9600 And 5120 5140 Doors With Beefed Up Rivets, Heavy Duty Build, Includes Hardware Bag, 4.5 Inch Wide By 2.75 Inch Tall Base With 15/16 Inch Flange And Pre Drilled Bolt Holes
✔️ Beefed-up rivets, heavy-duty bracket, 4.5W x 2.75H base
This heavy-duty trolley arm bracket kit is designed to connect a garage door opener to the top section of doors. It fits Wayne Dalton models 9100, 9600, 5120, and 5140, delivering a sturdy mounting point with reinforced rivets for durable operation with chain, screw, or belt drive openers. Color: Silvery.
✅ 4-1/2" wide x 2-3/4" tall base with 15/16" flange
✅ 6-13/64" pre-drilled bolt holes on back of bracket
✅ 2-11/64" screw holes on front top lip of bracket
✅ Riveted clevis with 3/8" diameter clevis pin hole
✅ Hardware bag included: 321475 and 320787
💡 What is a heavy-duty trolley arm bracket kit used for on garage doors?
It’s a handy upgrade that securely connects a garage door opener to the door’s top section for a more stable drive connection and longer life.
1) Fits Wayne Dalton 9100/9600 and 5120/5140
2) Beefed-up rivets provide higher load-bearing strength
3) Includes hardware bag for quick installation