Double Acting Hydraulic Cylinder 320D 323D Excavator Bucket Cylinder 350bar Cylinder Excavator Hydraulic Cylinder Introduction The CAT 320D/323D bucket cylinder is a core actuator in the working device of medium-duty excavators, and is a typical double-acting hydraulic cylinder. Mounted between the stick and bucket linkage, it drives the piston rod to move in both directions via hydraulic oil, precisely controlling the bucket's curl and dump movements. Utilizing a high