... oil consumption, standardized accessories and easy maintenance.Hydraulic system Hydraulic system: the most important parts of cutter suction dredger and ... , electrical actuator and so on.Detachable Structure The cutter suction dredgers are detachable, so it is easy to ... Machine. Produce a variety of series products , such as : cutter suction dredger , bucket chain dredger , underwater pump dredger , ...