Hydraulic Ram, Double Acting, High Cycle, Steel, Nominal Capacity 5 ton, Max. Push Capacity 4 ton, Stroke Length 1 1/8 in, Nominal Stroke Length 1 in, Effective Push Area 0.79 sq in, Max. Pressure 10,000 psi, Oil Capacity Push 0.88 cu in, Retracted Height 7.31 in, Extended Height 8.44 in, Outside Dia. 2 in, Plunger Dia. 0.75 in, Plunger Thread Size 1/2 In.-20, Collar Thread Size 1-3/8 In.-12, Center Hole Dia. 11/16 in, Series RD