Water Cleaning Vehicle is applicable for cleaning work on railway. It has the function of cleaning the ponding, dust, sands, metal powder, sediments, garbage etc. of ballast bed, drainage ditch, water-collecting well, tunnel walls. It can be used to clean the insulators of catenary. All the vehicles are based on mature technology of PC-30/40 flat wagon. Multiple functions can be realized by different combinations of high-pressure watergun, water cannon, sweeping disc, fan nozzle and suction device.