NSW Type Railway Hand Brake Machine for Freight Wagons The NSW type hand brake machine is applicable to all kinds of railway freight wagons for parking or shunting. It is mainly composed of the case, base, hand wheel, speed regulating handle, driving shaft, chain winding shaft and locking mechanism. The hand wheel is printed with direction indicating ‘ON’ and ‘OFF’, and the nameplate is on the case. Operating Instructions ON: Turn the speed regulating handle upright, then