ISO 4251-1:2005 establishes the designation in use and the dimensions of the ply rating marked series of tyres for agricultural tractors and machines.
Tyre load ratings, rim dimensions, and tyre classification and nomenclature are given in ISO 4251-2, ISO 4251-3 and ISO 4251-4 respectively.
Status: WithdrawnPublication date: 2005-09
Edition: 6Number of pages: 19
Technical Committee: ISO/TC 31/SC 5 Agricultural tyres and rims