18’ (5.4m) Legend
Outside Width: 18’ 2 3⁄8” (5.5m)
Outside Height: 19’ 5 7⁄8” (5.9m)
Maximum Clearance: 18’ 3 1⁄2” (5.5m)
Inside Clearance: 16’ 8 15⁄16” (5.1m) within 3’ (0.9m) of sides

19’ (5.7m) Legend
Outside Width: 19’ 5 3⁄16” (5.9m)
Outside Height: 10’ 0 7⁄8” (3.0m)
Maximum Clearance: 8’ 10 7⁄16” (2.7m)
Inside Clearance: 6’ 10 1⁄16” (2.0m) within 3’ (0.9m) of sides

30’ (9.1m) Legend
Outside Width: 31’ 1 13⁄16” (9.4m)
Outside Height: 12’ 5 1⁄2” (3.7m)
Maximum Clearance: 11’ 3 1⁄8” (3.4m)
Inside Clearance: 5’ 11 9⁄16” (1.8m) within 3’ (0.9m) of sides

32’ (9.7m) Legend
Outside Width: 32’ 2 3⁄8” (9.8m)
Outside Height: 19’ 1 3⁄8” (5.8m)
Maximum Clearance: 17’ 1015⁄16” (5.4m)
Inside Clearance: 13’ 4 7⁄8” (4.0m) within 3’ (0.9m) of sides

36’ (10.9m) Legend
Outside Width: 36’ 0 1⁄8” (10.9m)
Outside Height: 18’ 9 15⁄16” (5.7m)
Maximum Clearance: 17’ 7 9⁄16” (5.3m)
Inside Clearance: 9’ 4 3⁄4” (2.8m) within 3’ (0.9m) of sides

40’ (12.1) Legend
Outside Width: 40’ 0 3⁄16” (12.1m)
Outside Height: 15’ 3 3⁄8” (4.6m)
Maximum Clearance: 14’ 1” (4.2m)
Inside Clearance: 6’ 1 1⁄2” (1.8m) within 3’ (0.9m) of sides