Lock Nut Hydraulic Ram Single Acting Lock Nut Nominal Capacity 55 ton Stroke Length 5 11/12 in Nominal Stroke Length 6 in Effective Push Area 10.99 sq in Max Pressure 10 150 psi Oil Capacity Push 64.88 cu in Retracted Height 10.28 in Extended Height 16.18 in Outside Dia 4.92 in Plunger Dia 0.15 in Plunger Thread Size M95 x 4