Hydraulic Ram Single Acting General Purpose Steel Nominal Capacity 15 ton Max Push Capacity 15 ton Stroke Length 12 in Nominal Stroke Length 12 in Effective Push Area 3.14 sq in Max Pressure 10 000 psi Oil Capacity Push 37.7 cu in Retracted Height 16.69 in Extended Height 28.69 in Outside Dia 2.75 in Plunger Dia 1.63 in Plunger Thread Size 1 In.-8 Collar Thread Size 2-3/4 In.-16 Center Hole Dia 1 5/8 in Series RC Includes Coupler Dust Cap