50 Ton Hydraulic Cylinder Jack Single Acting 100mm 4 Stroke Solid Hydraulic Ram On December 2, 2023 by admin 50 Tons Hydraulic Cylinder Jack Solid 4in/100mm Stroke Single Acting Lifting Ram Jack 635cc. This is a new 50 Ton Hydraulic Cylinder Jack. In order to operate correctly, all oil cylinders need to be connected with solid and flat surfaces.