... widely applys in engineering achinery,forklift,tractor, combine harvester and hydraulic rudder of ships. The advantages of the hydraulic steering control units: 1 ... .Low cost, reliable. 2.No load reaction on the steering wheel comfortable. 3.Manual operation ... -4004004017.52.5<31777.2BPB1,3-5005005017.52.5<51978 Hydraulic Steering Control Units