This document specifies the marking, dimensions, load ratings and reference speeds for code-designated agricultural tractor drive-wheel tyres with service description (load index and speed symbol).
It applies to tyres of radial construction in the speed categories 40 km/h (speed symbol A8), and 50 km/h (speed symbol B).
NOTE Code designated series of:
— diagonal (ply rating marked) tyres for agricultural tractors and machines are specified in ISO 4251‑1 and ISO 4251‑2;
— tyres for logging and forestry machines are specified in ISO 18807;
— tyres for construction/industrial tractors are specified in ISO 13442.
 To be published.
Status: PublishedPublication date: 2018-07
Edition: 3Number of pages: 14
Technical Committee: ISO/TC 31/SC 5 Agricultural tyres and rims
- ICS :
- 83.160.30 Tyres for agricultural machinery
This standard contributes to the following Sustainable Development Goals:
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ISO 8664:2005/Amd 1:2010
ISO 8664:2018Stage: 60.60
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