... propelled or non self-propelled,portable cutter suction dredger. Specification : Product descriptionType400 m³/h Cutter Suction Dredger - YHLOA37.5 ... driven by the auxiliary diesel engine. Functions of cutter suction dredger: dredging river, dredging sand, desilting, reclamation ... a variety of series products , such as : cutter suction dredger , bucket chain dredger , underwater pump dredger , self ...