Tire size PR Rim Size Rim Diameter Actual Tire Dimensions Service Load Index Speed Symbol TRA Code Maximum Tire Load Recommended Alternative Overall Diameter Overall Width Original Tread Depth Inflation Pressure 15 km/h 20 km/h 25 km/h 30 km/h 35 km/h 40 km/h 50 km/h 55 km/h 60 km/h 65 km/h mm mm mm bar kg kg kg kg kg kg kg kg kg kg 20.5-25 16 17.00/2.0 17.00/1.7 25.00 1503.7 546.1 31.8 EARTHMOVER 167 B E-3 2.8 6100.8 6001 5899 5799.2 5649.5 5599.6 5449.9 5300.2 5000.9 4524.6 20.5-25 20 17.00/2.0 - 25.00 1503.7 543.6 31 EARTHMOVER 170 B E-3 3.2 6720 6599.8 6479.6 6359.4 6239.2 6180.2 6001 5799.2 5499.8 4975.9 26.5-25 20 22.00/3.0 - 25.00 1752.6 690.9 39.7 EARTHMOVER 181 B E-3 2.5 9251 9099.1 8899.5 8749.8 8600.1 8500.3 8250.8 7999.1 7599.9 6849.2 26.5-25 28 22.00/3.0 - 25.00 1752.6 693.4 38.9 EARTHMOVER 188 B E-3 3.5 11199.2 10999.6 10800 10600.4 10400.9 10301.1 9999.4 9700.1 9201.1 8300.7 29.5-25 28 25.00/3.5 - 25.00 1872 769.6 35.7 EARTHMOVER 193 B E-3 3.2 12879.7 12650.7 12419.3 12190.3 11959 11845.6 11500.8 11156.1 10580 9545.8