... and maintain7 Low energy consumption Product Specification/ModelsType 400 CBM/h cutter suction dredgerLOA / Hull Length 37.5/26.0mBreadth ... parts: Diesel engines, generators, gear boxes, dredge pumps, Hydraulic system.1) 12 months manufacturing warranty on all new installed component parts ... dredger until they can operate skillfully by themselves. Hydraulic Cutter Suction Dredger , hydraulic mud pump