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[1];
— tyres for construction/industrial tractors are specified in ISO 13442.
[1] To be published.
| SDO | ISO: International Organization for Standardization |
| Document Number | ISO 8664 |
| Publication Date | Not Available |
| Language | en - English |
| Page Count | |
| Revision Level | |
| Supercedes | |
| Committee | ISO/TC 31/SC 5 |