Abstract: This is a material dredging pumping machine having a pivoted parallelogram arm structure mounted on a floating barge and includes a pair of axially aligned transversely disposed digging and collecting auger sections carried by said arm structure and combining with a pair of mold board portions to deliver material inwardly to the intake of a pump unit which pumps the mud through a transporting conduit to a desired remote location, the auger sections and intake portions of the unit including shredding and cutting members specifically designed to cut up solid objects prior to introduction thereof into the pumping mechanism.