... .rated speed:1800 r/min high pressure hydraulic oil pump for dump truck 1.Model: HGP-3A-*8*2.Disp.(ml/r ... to 1081pm, maximum pressure 250bar. Multi-joint combination can be, with a series of meet SAE, DIN, European standard mandrels, flanges ... . . Synchronous motor can be more joint combination, to achieve more with cylinder synchronization purposes. Synchronization accuracy of 95%, than the average ...