ISO 8664:2005 specifies the marking, dimensions, load ratings and reference speeds for existing series of agricultural tractor drive-wheel tyres with service description (load index and speed symbol).

It applies to tyres of radial construction in the speed categories 30 km/h (speed symbol A6), 40 km/h (speed symbol A8), and 50 km/h (speed symbol B)

General information

  • Status :  Withdrawn
    Publication date : 2005-06
  • Edition : 2
    Number of pages : 6
  • :
    ISO/TC 31/SC 5
    Agricultural tyres and rims
  • 83.160.30
    Tyres for agricultural machinery

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information.