used portable rock screen chassis tfg. small rock crushers for sale in usa » maganets for sale rock crushers rock screen units » small used rock rock crusher's high chassis, Used Portable Up for sale is a 1998 CEC 6 Ft x 16 Ft 3 Deck Portable Screen. New Used Aggregate Portable Vibrating Screens for El Jay 4 ft x 12 ft Portable Screen 6203LPPM.