... piston pump 2. Completely interchangeable with original. Sauer PV of PV20,PV21,PV22,PV23,PV24 hydraulic axial variable displacement ... PV20/21/22/23/24 serie heavy duty piston pump and motor can work continuously with pressure 21Mpa ... N.m(when10Mpa,1500r/min)output power (kw)oil pump displacement(ml/r) Max speed(r/min) PV2033.354.18 ... ,PV21,PV22,PV23,PV24 hydraulic axial variable displacement piston pump