| Standard Number |
BS ISO 4251-1:2005+A1:2012 |
| Title |
Tyres (ply rating marked series) and rims for agricultural tractors and machinesTyre designation and dimensions, and approved rim contours |
| Status |
Current, Work in hand |
| Publication Date |
17 January 2006 |
| Cross References |
ISO 4223-1, ISO 3965, ISO 4251-2, ISO 4251-3, ISO 4251-4 |
| Replaces |
BS AU 50-1.4.1b:1998, ISO 4251-1:1998 |