Aspen’s WB-Series (Wind Series) are wind blade hauling trailers which serve the wind energy industry. Aspen’s WB-Series of trailers have a payload of 35 tons, with axle configurations of 7 or 8 axles (including truck axles). Aspen WB-Series transporters feature master/slave full time active steering and telescope from 53’ to 160’ in length. WB-Series trailers have common air/regulated air suspensions.