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

3:1 Drive Garage Door Jackshaft Chain Hoist for Roll-Ups
✔️ Single unit: 3:1 drive, 41B36 sprocket, 36 in chain, 26 ft hand chain

This garage door jackshaft chain hoist is designed to lift and operate roll‑up doors using a jackshaft opener. It mounts with standard garage door cables and delivers a strong, reliable drive for DIY upgrades and replacements.

✅ 3:1 gear ratio for smooth lifting of heavy doors
✅ 41B36 sprocket with 1 in bore (25.4 mm)
✅ 36 in (914 mm) of 41# roller chain
✅ 26 ft (7.92 m) of hand chain
✅ Chain keeper and 1/4 in x 1/4 in x 1 3/8 in square key included
✅ Works with garage door cables and jackshaft openers
✅ High-strength chain design for dependable operation

💡 What is a garage door jackshaft chain hoist used for?

This handy device is used to lift and lower roll-up doors using a jackshaft opener. - Handy upgrade for replacing worn door openers - Provides a durable, chain-driven lift for heavy doors - Easy to install with standard cables and sprockets - Suitable for residential and light commercial setups