If the weight rating is more than 26,000 lbs., and it's not of a type exempted from CDL requirements under the FMCSA, then yes.
If the GVWR is 26,000 lbs. or less, and it's not hauling hazardous materials, no.
40
400 square ft.
6200 lbs
68 ft x 40 ft
12 ft x 10 ft x .333 ft (4 in) = 39.96 cu ft. You need enough concrete for 40 cubic ft.
12 ft x 10 ft x .333 ft (4 in) = 39.96 cu ft. You need enough concrete for 40 cubic ft.
920 sq. ft.
40 x 40 = 1600 sq ft
160 ft. squared
40 x 30 = 1200 sq ft