CRH1313R PORTABLE HSI/SCREEN PLANT Form 26557 (3/15) prelim OPTIONAL EQUIPMENT ... and speed control) Gas hydraulic power unit for crusher open and curtain adjust Removable feed hopper module with 5/8" (16 mm) AR400 sides ... • Both decks can recirculate to crusher or discharge off plant High performance conveyors include vulcanized 3ply ...