STRD-09E+ II Recommended for on-highway trailer applications. Decoupling groove in shoulder to control irregular wear. Wide footprint for long mileage. Low rolling resistanct to save fuel costs. 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 11R22.5 144/142M 14 G 8.25 5840 105 6175 105 41.50 10.98 12.0 11R22.5 146/143M 16 H 8.25 6005 120 6610 120 41.50 10.98 12.0 11R24.5 146/143M 14 G 8.25 6005 105 6610 105 43.46 10.98 12.0 11R24.5 149/146M 16 H 8.25 6610 120 7160 120 43.46 10.98 12.0 285/75R24.5 144/141M 14 G 8.25 5675 110 6175 110 41.34 11.14 12.0 285/75R24.5 147/144M 16 H 8.25 6175 120 6780 120 41.34 11.14 12.0 295/75R22.5 144/141M 14 G 9.00 5675 110 6175 110 39.92 11.73 12.6 295/75R22.5 146/143M 16 H 9.00 6005 120 6610 120 39.92 11.73 12.6