HY155ME is a professional amphibious pontoon crawler excavator independently manufactured by Hiyo Heavy, specially customized for shallow water, marsh, wetland and tidal flat construction projects. Equipped with fully sealed buoyancy pontoon chassis, this 22.5-ton machine can safely float and operate on water surface while traveling stably on soft muddy land. Matched with 86kW high-efficiency engine at 2200rpm, it supports multi-functional attachments including standard bucket, breaker, wood grapple and vibratory hammer. Widely applied in river dredging, water environment renovation, water conservancy, port channel and aquaculture projects. All specifications are subject to actual delivered machines due to continuous technical upgrade iteration.