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LLH Holdbacks | Formsprag Clutch

Formsprag Long Life Holdbacks (LLH) are designed for use on conveyor heads hafts, bucket elevators, pumps, or any other machinery where reverse rotation must be positively prevented. LLH holdback clutches are ready to install. They are equipped with grease labyrinth protected oil seals that positively prevent airborne contaminants from reaching internal seals and parts.

Product Features

  • Long life
  • One-piece,quickly detachable torque arm
  • Torque ratings up to 700,000 lb.ft. (949 kNm)

Product Data Sheets

  • p-956-fc_llh
Click on image below to download pdf. To order hard copies of literature click here.

Product Catalog

  • Overrunning, Indexing, Backstopping Clutches

Service Manual

  • LLH Holdbacks 1051 thru 5000 Service & Install
  • Holdbacks Model LLH 700 thru 1027 Service & Install

Related Literature

  • p-1723-4
  • p-1060-fc
  • Heavy Duty & Overrunning Clutch Brake Group Overview
  • HDOCB Engineering Capabilities

Contact Info

Formsprag Clutch
23601 Hoover Rd.
Warren, MI 48089 - USA
Toll Free: 1-800-348-0881 (Press #1)
Phone: 586-758-5000
Fax: 586-758-5204


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