APW092 Recommended for Regional applications. Zig-zag groove tread design reduces stone retention. Size Load Index & Speed Symbols PR Load Range Rim Max load and Max Air (lbs&psi) Overall Diameter (in) Section Width (in) Tread Depth (32nds) Dual Single lbs psi lbs psi 385/65R22.5 158K 18 J 11.75 / / 9370 120 42.20 15.31 20.8 385/65R22.5 160J 20 L 11.75 / / 9920 130 42.20 15.31 20.8