axles slideable closed tandem suspension 4 air bag tires 22.5lp rims 10 bolt hub pilot - all steel length 53' width 102" height 13'6" weight 15 480 lbs load height 9'1" load width 8'1" gvwr 68 000 lbs trailer composition aluminum floor composition wood door type swing doors added details transparent roof slideable tandem air brakes