... SizePRTreadStandard RimNew Inflated SizeMaximun Load(KG)Inflationfaction WidthOverall Diameter 8.30-22 8 27 W7 210 970 785 270Description:Suitable for tractor,harvester ... resistance performance.The Agricultural tyres with pattern R1 size:20.8-38,18.4-38,18.4-34,18.4-30 ... -22,9.5-20,9.50-16,8.3-24,8.3-22,8.2-22,8.3-20,7.50- 20,6.50 ... -20,7.50-18,90/75-16,8.25-16,7.50-16,7.00-16,6.50 ...