Description:Cat® Lines Cylinder Group actuate numerous machine components ranging from steering controls to refined movement of blades, buckets or other attachments. Cat® Cylinder Group consist of tube and rod assemblies that are ready for installation on a machine. 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.Stroke Length : 323 mm (12.72 in)Closed Length : 777 mm (30.59 in)Open Length : 1100 mm (43.3 in)Port Thread Size : 11/16 - 16 UN (2x)Application:Cat® Lines Cylinder Group 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.