Hydraulic Ram, Double Acting, High Cycle, Steel, Nominal Capacity 15 ton, Max. Push Capacity 16 ton, Stroke Length 6 1/4 in, Nominal Stroke Length 6 in, Effective Push Area 3.14 sq in, Max. Pressure 10,000 psi, Oil Capacity Push 19.63 cu in, Retracted Height 15.31 in, Extended Height 21.56 in, Outside Dia. 3 in, Plunger Dia. 1.38 in, Plunger Thread Size 1-1/8 In.-12, Collar Thread Size 2-3/16 In.-16, Center Hole Dia. 1 1/8 in, Series RD