... both land and swam areas. SLJY300 Amphibious Crawler Hydraulic Excavator--1, Engine,hydraulic pump,valve,swivel pump and drive ... operation and preventive action.4, The mobility of the excavator is fitted on to the tracked pontoon to reduce ... operator.7, Specifically design for areas where normal excavator cannot operate in, like swamp areas, beach, dykes and river excavations.ParameterUnitReference ...