Heavy Duty Double Acting Hydraulic Cylinder Single Rod Crane Lift Ram 65-1/2 New. Powerful and robust, the hydraulic lift cylinder rod enables lifting heavy objects with ease. The double acting hydraulic cylinder forces the piston rod into backward and forward direction with the hydraulic operation for a smooth workflow in a range of applications. Some features of the aftermarket hydraulic cylinders. Cylinder barrel with double-acting action. Available in nearly pristine condition. Fits easily with a 65-1/2 lift ram. Operates on hydraulic liquid for swift action. What are the ...