... MODELPOWER REQUIREMENTAugersDescribetionPD2015-30 HP6", 9", 12" AugersSized for subcompact tractorsPD2520-40 HP6", 9", 12" AugersIdeal for digging post holesPD3525-55 ... jobsPD5540-80 HP12" - 36" AugersBuilt for tough industrial jobsHD255-12 GPM6" - 24" AugersHydraulic driven: bucket mount or 3-pt ... Augers Flighting: 4mm or 6mmDiameter of Augers: 6",9",12",15",18",24",28",32",36"Diameter of drill ...