The Rotary Lift part number FC5977Y is a sheave (cable pulley) used in the runways and cross tubes of Rotary 100 series four-post lifts. It has an approximate outside diameter of 10.1″ and is essential for guiding and supporting the lift cables, ensuring smooth and reliable operation. This component is a direct replacement for the older cast version (part number 1400511) and is now manufactured as a solid steel machined sheave.

The FC5977Y sheave is compatible with the following Rotary and Forward Lift models:

• Rotary AR14-100
• Rotary ARO14-100
• Rotary SM14-100
• Rotary SMO14-100
• Forward CR14
• Forward CRO14

These models are all part of the 100 series four-post lifts with a 14,000 lbs capacity.