4:1 Reduced Drive Heavy Duty Garage Door Jackshaft Chain Hoist Opener - Wall Mount Chain Hoist for Roll Up Doors

Upgrade Efficiency with ZUIWAN's 4:1 Reduced Drive Jackshaft Garage Door Opener — Heavy Duty Chain Hoist Precision Engineered for 2000-lb Commercial & Roll Up Doors.

• Heavy-Duty 4:1 Power Efficiency​​ ZUIWAN's ​​Garage Door Chain Hoist​​ features a ​​4:1 Reduced Drive​​ gear system, delivering effortless lifting force for ​​Roll Up Doors​​ with minimal operator effort — ideal for ​​Workshop​​, ​​Warehouse​​, and ​​Residential Garage Door​​ applications
• Industrial-Grade Chain Hoist Construction​​ Engineered with a commercial-strength ​​41B36 Sprocket (1" Bore)​​, ​​3' #41 Roller Chain​​, and ​​26' Galvanized Hand Chain​​, this ​​Jackshaft Chain Hoist​​ supports up to ​​2000-lb loads​​ while resisting wear, corrosion, and deformation. (Tip: Add extra chain for doors >15ft height).
• Precision Wall-Mount Opener System​​ Designed as a direct-drive ​​Wall Mount Jackshaft Garage Door Opener​​, the ​​2000R 4:1 Reduced Drive Chain Hoist​​ integrates sealed ball bearings and machined gears for vibration-free operation with commercial doors.
• Universal Garage Door Opener Compatibility​​ Compatible with ​​Residential​​, ​​Commercial​​, and ​​Industrial Garage Door Openers​​, this ​​Garage Door Jackshaft Chain Hoist​​ installs onto standard 1" shafts — no welding or custom brackets needed
• Tool-Free Installation & Zero Maintenance​​ Includes ​​Chain Keeper​​, ​​1/4" Key​​, and pre-greased components for ​​1-hour setup without specialist tools​​ — achieve professional-grade ​​Garage Door Opener Chain Hoist​​ performance through DIY installation.