This standard stipulates the specification and definition of agricultural tire specifications, the expression method of tire specifications, tire specifications, dimensions, air pressure and load a This standard is applicable to new agricultural pneumatic tires.
GB/T 2979-2008 history
2017GB/T 2979-2017 Size designation, dimensions, inflation pressure and load capacity for agricultural tyres
2008GB/T 2979-2008 Agricultural Tire Specifications, Dimensions, Air Pressures and Loads