'Clay Emperor' Amphibious Multipurpose Dredger is made to work on the soft foundation by HID, which has absorbed advanced dredging technology and worked in conjunction with China Nanjing Conservancy Science Research Institute. The dredger design has been protected by patent. Clay Emperor includes a hull, the front leg, rear leg, operating room, function room, the front working arm, four-bar linkage, interchangeable working equipment, suction head, hydraulic system, electrical system, and walking system. It adopts a fully hydraulic control system making it convenient, flexible, and reliable. The walking system can be completed by separate open water pump-jet propulsion, be pulled by the winch wire rope, and be step moved by the rotary telescopic working device of the front leg. Amphibious machines can achieve 5 different work applications: Weed raking, Cutter Dredging, Backhoe Dredging, Piling, and Clam Dredging.