Trailers, floats and apparatus for towing; Trailers for towing vehicles and machines; trailer trucks; haulage trailer wagons; load carrying trailers; trailers in this class including cargo trailers, flat deck trailers, tilt deck trailers, agricultural trailers, utility trailers, heavy haul trailers, convertible multi-purpose trailers, and equipment transport trailers; replacement parts, accessories and attachments as are included in this class for all the foregoing goods