10 1/2 to 13ft tall resting on the base plate, this attachment was made for a free hanging soil testing hammer. It has 3 inch angle iron tracks for a carriage with rollers and was used to lift a hammer onto a rod that would be driven into the ground. the hydraulic double acting ram has roughly a 2ft6 stroke with a 1 1/2 inch plunger and a 2 1/2 cylinder body. the unit comes with the aluminum rack. unit was built for a bobcat skid steer Good for parts or a project Viewing only available Mon-Friday as this is at the work yard