... ³/h Discharge Distance/Delivery ≤500m Application:Sand Pumping in sea,lake,river,reservoir and ports YHQB Dredger consists of-Hull ... mainly used in the coastal , river, channel , reservoir , to dredge and backfill for the harbor construction.The technical options of ... of the main parts: Diesel engines, generators, gear boxes, dredge pumps, Hydraulic system.1) 12 months manufacturing warranty on all ...