... ISO9001 Certificated manufacture SUNTON is the biggest manufacturer of swamp excavators in China, who is specialized in design, ... kinds of dredging equipment, i.e. amphibious excavators, swamp excavators, swamp undercarriages, long reach boom and sticks etc. SUNTON ... connection of upperstructure and undercarriage. PU240 steel pontoon or swamp undercarriage for amphibious excavators, 3 chains track, fit ...