Description:Cat® Cylinder Assemblies, designed for your rugged work environment, are double acting cylinders in which the working fluid acts alternatively on both sides of the piston. Cat® Cylinders are manufactured with thick tube walls that enable more service lives. This feature, when combined with exclusive Cat® Oversize Seals, can extend cylinder life in many applications. Cat® Hydraulic Cylinder Assemblies actuate numerous machine components ranging from steering controls to refined movement of blades, buckets or other attachments. Cat® Hydraulic Cylinder Assemblies consist of tube and rod assemblies that are ready for installation on a machine.Cap End Port Thread Size : 1/8 - 27 NPSFRod End Port Thread Size : 11/16 - 16 UNApplication:Cat® Hydraulic Cylinder Assemblies are designed for specific machine applications. Used to actuate heavy-duty implements in hydraulic systems. Consult your owner's manual or contact your local Cat Dealer for more information.