North American Weight and Size Limit

Canada U.S. Mexico WEIGHT LIMITS (to the nearest 500 lb) Steering Axle 12,125 *NS 14,330 Single Drive Axle 20,062 20,000 24,251 Tandem Drive Axle 37,479 34,000 42,990 Tandem Trailer Axle 37,479 34,000 39,683 Gross Vehicle Weight - Tractor and 5-Axle Semitrailer 87,082 80,000 97,003 SIZE LIMITS Width 8.5´ 8.5´ 8.5´ Height 13.6´ *NS 13.6' Length - Box Length 65.6´ *NS *NS Tractor & Semitrailer 75.5´ *NS 62.3´ *NS - Not Specified (1 Mile = 1.6093 KM)