Piston Accumulator, Fluid Volume 231 cu in, Vent Diameter 241 cu in, Max. Flow 397 gpm, Max. Pressure 3,000 psi, Nominal Bore Dia. - Accumulators 4 in, Shell Material - Accumulators Steel, Diameter 4.75 in, Overall Height 25.19 in, Hydraulic Fluid Port Dash Size -20