Our is a 17'4" X 7'11"
boler made in Earlton Ontario, and is 8' plus high without extra max vent height. Original
tires are 75r15" (st 205r 15") with 30psi inside headroom is 6'6" tongue height is 18" plus vents at 4" plus floor and roof thickness so 8'5" without extra height of maxair units. Problems with smaller
tires is
weight rating.