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The undercarriage pontoon fit excavator to work in marshland or water less than 1.5M depth. - details see: https://www.machineto.com/pontoon-dredger-for-excavator-model-zd200-10311557

1.CZDM undercarriage pontoon fit excavator to work in marshland or water less than 1.5M
depth. can fit many brand and models excavator,such as HITACHI ZX210 ZD200, CAT320, and so
on.just need to know the sizes the central frame. then we design it for the pontoon and
excavator.

2.There are 4 models with the pontoon:ZD120 / ZD200 / ZD210 / ZD240, and ZD120 / ZD200
have 2 chains on them,others are 3 chains on them to be more withstand pressure.

3.The material is from Shanghai Kobelco ,it is more wear resistant ,and the wearing
strip Import from Japan,and the thickness is 8mm. The running pulley is 80mm diameter ,to
be more wear resistant , on the market its 70mm .

4. There are three to five maintenance holes on every pontoon,it is Easy to repair,and it
is unique in China,we have apply for patent for it .