Voith Hirth Couplings

Hirth Couplings, Hirth Serrations

Voith's Hirth coupling is a form-locking, self-centering and easily detachable connection component. Hirth couplings connect shafts, disks, rotors, wheels and cranks made of metal or plastic – with remarkable precision and maximum torque capacity.

Our product portfolio includes:

  • Machining of teeth on customer components
  • Manufacture of customer specific Hirth rings
  • Supply of standard Hirth rings
  • Engineering services in calculation, design and quality control

Torque up to 15,000 kNm can be transmitted wear-free, with comparably small diameter. Positional accuracy of 1 – 2 angle seconds is achievable.


Voith Turbo GmbH & Co. KG
Universal Joint Shafts and Hirth Couplings (aig)
Alexanderstraße 2
89522 Heidenheim, Germany

Tel. +49 7321 37-8283
Fax + 49 7321 37-7106