Commercial Overhead Door Chain Hoist | Direct Drive | 1:1 Ratio | 1" Keyed Shaft | 26' Hand Chain

The Direct Drive Chain Hoist for 1" Shafts provides dependable manual operation for commercial and industrial sectional overhead doors.

Featuring a 1:1 direct-drive ratio, the hoist mounts directly onto a compatible 1" keyed door shaft, providing a simple, efficient manual operating system without the additional reduction gearing used on conventional geared chain hoists.

The compact shaft-mounted design makes this unit an excellent choice for commercial overhead door installations where dependable manual operation and efficient use of available headroom are important.

Key Features

• 1:1 direct-drive ratio

• Designed for a 1" diameter shaft

• Requires a keyed shaft

• Shaft-mounted chain hoist

• Designed for manual commercial overhead door operation

• Includes 26' of hand chain

• Includes chain keeper

• Includes two shaft collars

• Includes 1/4" shaft key

• Compact direct-drive design

• Ideal for commercial and industrial sectional doors

• Suitable for new installations and replacement applications

Kit Includes

• (1) Direct Drive Chain Hoist

• 26' Hand Chain

• (1) Chain Keeper

• (2) Shaft Collars

• (1) 1/4" Shaft Key

• Required set screws

Product Specifications

Product Type: Direct Drive Chain Hoist
Drive Type: Direct Drive
Drive Ratio: 1:1
Shaft Size: 1" Diameter
Shaft Requirement: Keyed Shaft
Hand Chain Length: 26'
Mounting: Shaft Mount
Application: Commercial / Industrial Sectional Overhead Doors
Operation: Manual Chain Operation
Sprocket Diameter: Approximately 8-13/16"
Minimum Shaft Centerline-to-Wall Offset: Approximately 5-3/8"

Direct Drive Operation

Unlike a gear-reduction chain hoist, this unit uses a 1:1 direct-drive configuration, allowing the hand-chain assembly to directly rotate the door shaft.

This design provides a straightforward manual operating solution for compatible sectional overhead doors while minimizing the number of drive components required.

Common Applications

Ideal for:

• Commercial sectional doors

• Industrial overhead doors

• Warehouse doors

• Loading dock doors

• Service doors

• Maintenance facilities

• Manufacturing facilities

• Commercial garages

• Storage facilities

• Manual overhead door installations

Installation Notes

Verify that the overhead door has a compatible 1" keyed shaft before ordering.

Proper shaft clearance and mounting space are required. The standard configuration requires approximately 5-3/8" minimum clearance from the centerline of the shaft to the wall.

Always verify the door size, weight, shaft diameter, shaft keyway, available clearance, and manufacturer requirements before installation.

What's Included

(1) Chain Hoist Direct Drive – 1:1 Ratio for 1" Shaft with standard installation components and 26' hand chain

Overhead door, shaft, additional hand chain, and other door components are sold separately unless specifically stated otherwise.