1. SLW160 swamp undercarriage for drill rig, amphibious excavator 2. Isuzu or Cummins engine 3. ISO9001 ... irrigation and water conservancy etc.1. SLW160 swamp undercarriage for drill rigs wetland excavator, amphibious excavator2. Isuzu or Cummins engine3. ISO9001 ... part of 8-24ton normal excavators, e.g. Caterpillar, Hitachi, JCB, Volvo, Komatsu, Kobelco, Daewoo, Doosan, Sumitomo and so on. In ...