... Hitachi,Volvo,etc 1.Excavator Parts Hydraulic Cylinder Application:We are specelized in Excavator Parts Hydraulic cylinder assembly and Cylinder Parts (Excavator parts Hydraulic Cylinder Assy,Barrel,Piston Rod,Piston ... Mitsubishi and etc excavators. 2.Feature:ApplicationExcavator Hydraulic CylinderMaterial45# Steel & 40CrDedigned ForDouble Acting,Single Piston RodSeal TypeNOK,PARKER,Hallite or as per ...