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trench compactor

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    NPK C4C Hydraulic Motor Seal Issues

    Hi, I have a NPK C4C Compactor that seems to be building too much pressure and keeps wanting to blow out the shaft seal on the hydraulic motor. After I bought it (auction find) I found out the motor was leaking hydraulic oil into the exciter housing. I took it apart to replace the seal and...
  2. M

    Ampac P33/24 Trench Compactor

    I recently purchased an Ampac P33/24 Trench compactor from an auction. I wasn't able to find any kind of serial number plates on the machine. Does anyone know where a Serial Number ma be stamped into the piece somewhere and where i could get any manuals for the compactor. any help would be...
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