This series motor is a kind of rolling bearing supporting shaft with streaming cycloid Hydraulic motor，With the output shaft to the overall structural design with flow organization.

Boron steel or carbon steel,good performance, hardness, compressive strength

Classification and application of grab bucket classified by function:mechanical grabs,360째rotation hydraulic grab. classified by tooth:two teeth,five teeth,seven teeth.widely used in carry and load cane,timber,stone.Scrap metal processing and other special operations.