Heavy Duty Garage Door Jackshaft Chain Hoist 3 To 1 Drive For Roll Up Doors

Heavy-Duty Garage Door Jackshaft Chain Hoist, 3:1 Drive
✔️ Ensures smooth lift with 3:1 ratio and durable galvanized iron

This heavy-duty garage door jackshaft chain hoist is designed to lift and pull large roller or roll-up doors. It is typically installed beside garages, warehouses, or workshops to facilitate manual operation of overhead doors.

✅ Heavy-duty iron frame with galvanized coating for wear and corrosion resistance
✅ Transmission ratio 3:1 and deceleration for smooth, easy lifting
✅ Oversized 150 mm (5.91 in) gears with lubricated bearings to cut friction
✅ Gear inner diameter 50 mm (1.97 in) and outer diameter 150 mm (5.91 in)
✅ Load capacity 150 kg / 331 lbs with reinforced steel chain
✅ Chain length 8 m / 26 ft for flexible installation in garage or workshop
✅ Hand puller dimensions 255 mm x 190 mm (10.04 in x 7.48 in)
✅ Quick installation with included hardware and clear instructions

💡 What is a heavy-duty garage door jackshaft chain hoist used for in a garage or workshop? Handy setup for lifting large roller doors with a manual pull. - Mounts beside a garage, warehouse, or shop for easy door control - 3:1 transmission reduces effort and speeds up lifting - Handles up to 150 kg / 331 lbs with a robust galvanized chain - Sealed ball bearings ensure smooth, quiet operation