... ,13T,14T,16T,18T,20T Trailer Axles:Trailer Axles: Axles for trailer : We have common trailer axle, tractor trailer single axle, trailer steering axle and so on ... , etc. 2.Trailer / semi trailer " Flat bed trailer, farm trailer, flatbed semi trailer, skeleton semi trailer, low bed semi trailer, side wall semi trailer, dump semi trailer, oil tanker ...