BS-ISO-4251-1 › Complete Document History
Code designated diagonal tyres (ply rating marked series) for agricultural tractors, trailers and machines

Complete Current Edition:
   2019 EDITION - Tyre designation and dimensions, and approved rim contours. - Aug. 9, 2019

Obsolete Revision Information:
   2017 EDITION - Tyres (ply rating marked series) and rims for agricultural tractors and machines. Tyre designation and dimensions, and approved rim contours - May 11, 2017
   2005/A1 EDITION - 2005 EDITION/AMENDMENT 1 INTERFILED - Feb. 1, 2012
   2005 EDITION - DESIGNATION and DIMENSIONS, and APPROVED RIM CONTOURS - Jan. 17, 2006