Hydraulic Ram Double Acting General Purpose Steel Nominal Capacity 150 ton Max Push Capacity 150 ton Stroke Length 11 7/8 in Nominal Stroke Length 12 in Effective Push Area 33.14 sq in Max Pressure 10 150 psi Oil Capacity Push 391.45 cu in Retracted Height 19.57 in Extended Height 31.75 in Outside Dia 8.46 in Plunger Dia 4.72 in Plunger Thread Size 1-3/4 In.-12 Collar Thread Size 2-1/4 In.-14 Base Bolt Circle Dia 19.69 in Center Hole Dia 6 1/2 in Series HCR