Suction Dredging, Excavating, Raking And Pile Driving – All With One Versatile Watermaster. Amphibious Watermaster Can Reach Difficult Sites. Walks In And Out Of Water Without Crane Assistance, Self-Propelled, Anchors Independently. Mobile Watermaster Covers The Whole Shallow Water Area From Dry Ground To 6 Meters Depth. Multipurpose Dredger.