1.different pull back ram with different capacity 2.steel construction 3.pulling,bending,straightening are available ModelCapacityStroke Min HeightSJ1401-14T18MM40MMSJ1401-22T73MM126MMSJ1401-310T58MM118MMSJ1401-44T125MM270MMSJ1401-52T120MM575MMSJ1401-610T135MM358MMSJ1401-75T130MM665MMWelcome to contact with me ! hydraulic pull back ram