... for Caterpillar, Hitachi, JCB, Volvo, Komatsu, Kobelco, Daewoo, Doosan, Sumitomo excavator and so on 3.3 chains Hekuang is the biggest ... specialized in design, manufacturing and supplying kinds of dredging equipment,amphibious excavators, swamp undercarriages, long reach boom and sticks etc. The ... structure 2622mm 2867mm 2470mm Ground length 5088mm 4787mm 3872mm Heking amphibious excavator pontoons