Electrical & Mechanical Service
of Overhead Cranes & Hoists

24 Hours a Day • 7 Days a Week
(713) 649-4088 • (800) 291-4088

General machine shop, fabricating, assembly, storage and warehousing industries. Loads and utilizaton randomly distributed. Total running time does not exceed 15-25% of the work period. Yale H3 class Cable King hoists also satisfy the requirements for class H1 and H2 applications.

Heavy Duty—H4

High volume handling in applications such as dipping, cleaning, plating, and steel warehousing. Load at or near rated capacity frequently handled. Total running time does not exceed 35% of the work period. Yale H4 class Cable King hoists satisfy the HMI requirments for both the H3 and those H4 applications where the total running time of the hoist does not exceed 35% of the work period.

Bulk material handling in combination with buckets, magnets or heavy attachments. Often cab operated equipment. Duty cycle exceeds 35% and approaches continuous operation. User must specify exact details of operation including attachment weights. Yale H5 class Cable King hoists satisfy the HMI requirements for H5 applications and those H4applications where the total running time of the hoist exceeds 35%.

All Yale Cable King wire rope hoists classified as H3 and H4 are furnished with 30 minute duty rated motors and Weston type load brake as standard. The Yale Cable King wire rope hoists classified as H5 are furnished on application and typically include the removal of the Weston load brake and the inclusion of the contiuous duty motors and eddy current braking.