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.Retracted Length : 4580 mm (180.32 in)Stroke Length : 3885 mm (152.95 in)Extended Length : 12350 mm (486.22 in)Maximum Piston Velocity : 100 mm/sMinimum Full stroke design life : 1,00,000 cyclesApplication: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.