Lightweight Lock Nut Hydraulic Ram Single Acting Lock Nut Aluminum Nominal Capacity 50 ton Stroke Length 3 7/8 in Nominal Stroke Length 4 in Effective Push Area 10.99 sq in Max Pressure 10 000 psi Oil Capacity Push 43.3 cu in Retracted Height 11.26 in Extended Height 15.25 in Outside Dia 5.12 in Plunger Dia 3.15 in Plunger Thread Size M6 Base Bolt Circle Dia 4.33 in Center Hole Dia 3 3/4 in Series RACL Includes Coupler Dust Cap