Outfit your semi truck with a high-efficiency hydraulic cylinder, with the Muncie 6.93" x 171.42" Pin Mount 4-Stage Hydraulic Telescopic Cylinder. To reduce the need for excessive space and a large range of motion, this replacement device features a series of nested stages that collapse into one another. Fashioned with multiple durable components to tolerate extreme pressures. FleetPride is your First Click in Heavy Duty®.