JRG Jackshaft Chain Hoist 1-1/4in Shaft

This chain hoist operator kit is designed for manual operation of garage doors equipped with 1-1/4" solid shafts. Featuring a 3.5:1 internal gear reduction, it delivers controlled, efficient door movement while reducing operator effort. The complete kit includes all required components for shaft or wall-mounted installations, supporting consistent performance across a range of commercial and industrial door applications.

Specifications

• Compatibility: Designed for 1-1/4" solid shafts
• Drive type: Internal gear drive with 3.5:1 reduction ratio
• Operation: Manual chain hoist system for controlled door movement
• Prevents cable jumping during operation
• Suitable for doors up to 14' high and vertical or high-lift configurations
• Installation options: Shaft-mounted or wall-mounted configurations
• Chain setup: Designed to hang approximately 1' from floor
• Installation: Field-configurable with standard tools

Includes

• Sprocket for direct shaft engagement
• 26' hand chain for operator access
• Chain keeper for organized chain management
• Two shaft collars for secure mounting
• Wall bracket for alternative mounting setup
• 1/4" key for shaft connection