DirectoryTransportationHopper Gate OpenersArnold Co. Multiple power configurations: pneumatic, AC electric, DC battery or open hydraulic Self-contained two-wheel portable units‚ hydraulic lift and side shift options Beam-mounted units with hydraulic powered vertical and horizontal movement Request More Info Fill out the form below to request more information about Hopper Gate OpenersMore From Arnold Co.Arnco opens new Safety Training CenterGrand opening celebration will be November 14 in Trenton, Illinois.Multi-Position Hopper Gate Opener85 to 140 feet/minute variable travel speedDumoPROContinuous ambient air dust monitorRide-On Hopper Gate OpenerOperators can now control automated unit from a seated positionVibration SolutionsDoor Demon Hopper Trailer Opener - HTOLightweight and air powered with smooth continuous torque