... factory 2,self-cleaning action 3,have quality assured 4,OEM accept 18.4-30 tractor tire1,Good traction and control performance 2,Good ... .9-24,15.5-38,16.9-28,16.9-34,18.4-30,18.4-34,20.8-38,23.1-30,23.1-26 ... ,12.4-32.Other available sizes:R-228L-26-10/12,23.1-26-12,19.5L-24-8,16.9-34 ... -8/10,14.9-30-8,13.6-38-6/10,12.4/11-28-6,12 ...