... 500/450mm 1. Dredger 1> Cutter Suction Dredger The cutter suction dredger 10/8, 12/10, 14/12, 16/14, 20/18, 22/20 series ... SystemPLC SystemPLC SystemPLC SystemPLC SystemPLC SystemHydraulicHydraulicHydraulicHydraulicHydraulicHydraulicsystemsystemsystemsystemsystemsystem The Cutter suction dredger parameters are just for reference. Customized specification is available. 18 inch cutter suction dredger