... (304.8)12 (304.8)15(381)Cylinder hydraulic test pressure psi(kg/cm2)7500 (527)7500 (527)7500 (527)7500 ... box, case, crank, shaft, large gear ring.About Service:1.In general, customers install machine by themselves.2. If you need installation ... 24hours, so please feel free to send us your inquiry. pressure gauge,mud pump parts for drilling,tiger rig