... ,Trailer,OTR 2>Type:Radial,Bias,Engieering,Solid 3>Certificate: DOT/ECE/GCC/SONCAP AGR Tire 4.00-14-6 1>Suitable:Trailer; Agriculture ... ; Tracotor; Farm2>Type:Radial,Bias,Engieering,Agriculture3>High quality,good ... TS16949 and ISO9001/2000 quality control system. Agriculture Tractor Bias tire 4.00-14-6