... 3. Pump model: 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 dredgers ... of Dutch and American related products, have advantages of totally hydraulic control system, simple operation, easy maintenance, rational design, novel layout ...