Hydraulic elevator rely on hydraulic drive lift. Hydraulic lift by the hydraulic power source, the oil into the cylinder of the plunger in a straight line, so that, directly or indirectly, by the rope of the elevator car movement. Hydraulic lifts are mechanical, electrical, electronic, hydraulic integration of the product, contact the following independent but cooperating systems. Pumping systems, hydraulic systems, guidance systems, car, door systems, electrical control system, security system.