Our Super Jenny Series of Hydraulic Semi-Automatic Tube Pullers, allows the user to continuously pull tubes through heat exchangers, condensers and boilers, without the use of hammers or winches etc. The key to our system is the OD gripping jaw that will pull the tube as the operator actuates the ram. To release the jaw, the operator simply inserts the jaw release tool and the tube becomes free to be pulled by hand, or the ram is returned against the tube sheet to take another stroke.