... with 40-120 buckets,5-25m in dredging depth.50-300m3/h in grass output,30-200kw equipped motor ... 40-120 buckets,5-25m in dredging depth.50-300m3/h in grass output,30-200kw equipped ... hard riverbed exploitation. ModelBucket No.Pontoon(LxW)mDredging Depth(m)Length of Sand/Waste Conveyor(m)Handling ... used in gold mining,salt mining,mining,dredging,hard riverbed exploitation,etc.in 5-20m water depth. Sand ...