our company product The multi-functional Sleeper changing machine is a new type of mechanical equipment that is modified and transformed on the basis of ordinary excavators combined with the characteristics of railway work. It has been widely used in railway maintenance work sites in recent years. "Stretch and pull" to easily remove the stone ballast on the sleeper, the huge "crab claw" picks up the old sleeper, and the replacement is completed after rotating 90 degrees. after Fasteners, the sleeper changing machine will turn back the stone ballast, and finished all actions only in 2minutes which is more higher efficient compared with hand by manual . The 180-minute "Window time" time can replace about 1500 sleepers.