Description:Cat® Cylinder Groups, 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 groups actuate numerous machine components ranging from steering controls to refined movement of blades, buckets or other attachments. Cat® Hydraulic cylinder groups consist of tube and rod assemblies that are ready for installation on a machine.Stroke Length : 398.5 mm (15.689 in)Closed Length : 790 mm (31.102 in)Open Length : 1188.5 mm (46.791 in)Port Thread Size - TPI - A in : 1 - 14 UNS - 2A (ORFS)Port Thread Size - TPI - B in : 7/8 - 14 UNS - 2BTest Pressure : 35000 kPa (5076 psi)Application:Cat® Hydraulic Cylinder Groups 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.