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ISO 4251-1:2019PublishedCode designated diagonal tyres (ply rating marked series) for agricultural tractors, trailers and machines — Part 1: Tyre designation and dimensions, and approved rim contoursISO 4251-2:2019PublishedCode designated diagonal tyres (ply rating marked series) for agricultural tractors, trailers and machines — Part 2: Tyre load ratingsISO 7867-1:2018PublishedMetric series for agricultural, forestry machines and construction tyres — Part 1: Tyre designation, dimensions and marking, and tyre/rim coordinationISO 7867-2:2018PublishedMetric series for agricultural, forestry machines and construction tyres — Part 2: Load ratings for agricultural tyresISO 8664:2018PublishedTyres for agricultural tractors and machines — Code-designated and service-description marked radial drive-wheel tyresISO 11795:2018PublishedAgricultural tractor drive wheel tyres — Explanation of rolling circumference index (RCI) and speed radius index (SRI) and method of measuring tyre rolling circumferenceISO 18804:2021PublishedRims for agricultural, forestry and construction machinesISO 18805:2026PublishedTyre classification — Agricultural, forestry and construction machinesISO 18807:2019PublishedTyres and rims for logging and forestry serviceISO 4250-2:1991WithdrawnNarrow and wide base off-road tyres and rims — Part 2: Loads and inflation pressuresISO 4250-1:1988WithdrawnNarrow and wide base off-road tyres and rims — Part 1: Tyre designation and dimensionsISO 4251-1:2017WithdrawnTyres (ply rating marked series) and rims for agricultural tractors and machines — Part 1: Tyre designation and dimensions, and approved rim contoursISO 4251-2:2017WithdrawnTyres (ply rating marked series) and rims for agricultural tractors and machines — Part 2: Tyre load ratingsISO 4251-4:2010WithdrawnTyres (ply rating marked series) and rims for agricultural tractors and machines — Part 4: Tyre classification and nomenclatureISO 4251-3:2006WithdrawnTyres (ply rating marked series) and rims for agricultural tractors and machines — Part 3: RimsISO 4251-1:2005WithdrawnTyres (ply rating marked series) and rims for agricultural tractors and machines — Part 1: Tyre designation and dimensions, and approved rim contoursISO 4251-2:2005WithdrawnTyres (ply rating marked series) and rims for agricultural tractors and machines — Part 2: Tyre load ratingsISO 4251-1:1998WithdrawnTyres (ply rating marked series) and rims for agricultural tractors and machines — Part 1: Tyre designation and dimensions, and approved rim contoursISO 4251-2:1998WithdrawnTyres (ply rating marked series) and rims for agricultural tractors and machines — Part 2: Tyre load ratingsISO 4251-1:1992WithdrawnTyres (ply rating marked series) and rims for agricultural tractors and machines — Part 1: Tyre designation and dimensionsISO 4251-2:1992WithdrawnTyres (ply rating marked series) and rims for agricultural tractors and machines — Part 2: Tyre load ratingsISO 4251-4:1992WithdrawnTyres (ply rating marked series) and rims for agricultural tractors and machines — Part 4: Tyre classification and nomenclatureISO 4251-5:1992WithdrawnTyres (ply rating marked series) and rims for agricultural tractors and machines — Part 5: Logging and forestry service tyresISO 4251-1:1988WithdrawnTyres and rims (existing series) for agricultural tractors and machines — Part 1: Tyre designation and dimensionsISO 4251-5:1988WithdrawnTyres and rims (existing series) for agricultural tractors and machines — Part 5: Log skidder tyres