The B50HPS concrete pump offers the most concrete pressure in its class (1778 psi). It has a 180 cc hydraulic pump with a 42-in.-long pumping stroke. The low hopper height allows for fast cleanup, and the standard 9000-lb axle, frame, and reinforced hopper are all heavy duty. Reed Concrete Pumps & Shotcrete Equipment. www.reedpumps.com