This part of ISO 4251 sets out rim dimensions for tyres of the ply rating marked series for agricultural tractors and machines.
Tyre designation and dimensions, load ratings and tyre classification and nomenclature are given in ISO 4251-1, ISO 4251-2 and ISO 4251-4 respectively. The rims specified in this part of ISO 4251 may also be used for the tyres specified in ISO 7867-1 [2] and ISO 8664[3].
All dimensions in this part of ISO 4251 are given in millimetres.
NOTE 1 Terms used are in accordance with ISO 3911:1977[1].