Description:Cat® Cylinder Groups are used to service hydraulic systems of heavy-duty equipment. Quality for your rugged work environment. 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.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.