The first Hydraulic Pusher in the world replaces one-to-one mounting method to save time and cost. Installing a wide variety of press-fit parts easily and speedily, including bushing, wheels, bearings, gears, pulleys and so on. Providing legs in 3 lengths to meet customers' needs. 3 legs design divides force equally. Safety valve minimizes the risk of the puller overload by limiting the applied force. Complete hydraulic puller allows effortless generation of force and installing.