tractor tyres DOT,CCC,ISO9001 certificate, size for 20.8-38,18.4-38,15.5-38,11.2-38,16.9-30,14.9-28,13.6-24,12.4-28,etc. SizeStandard RimPly RatingDeep (mm)Inflated size of new tyre(mm) Load (Kg)Pressure(Kpa)Section widthOverall diameter14.00-2010182137512404000600truck tyre technical parameter: truck tyre 1400-20