9510390094AZ-P-N-12-025-LPR12MA9510390095AZ-P-N-12-028-LPR12MA9510390096AZ-P-N-12-032-LPR12MA9510390097AZ-P-N-12-036-LPR12MA9510390098AZ-P-N-12-020-RPC12MA9510390099AZ-P-N-12-022-RPC12MA9510390100AZ-P-N-12-025-RPC12MA9510390101AZ-P-N-12-028-RPC12MA9510390102AZ-P-N-12-032-RPC12MA9510390103AZ-P-N-12-036-RPC12MA9510390104AZ-P-N-12-020-LPC12MA9510390105AZ-P-N-12-022-LPC12MA9510390106AZ-P-N-12-025-LPC12MA9510390107AZ-P-N-12-028-LPC12MA9510390108AZ-P-N-12-032-LPC12MA9510390109AZ-P-N-12-036-LPC12MA力士乐PGH型号PGH4-2X/032RE11VU2运行噪音很低振动小密封间隙补偿使在低速、低粘度下也能***运作适合多种不同速度和粘度范围所有安装尺寸和额定尺寸原件可相连可和叶片泵和轴向柱塞泵连接使用R900778549PGH4-2X/063LR07VU2-A436R900770609ABAPG-PGH4-080E4/200L-4-B0/SEc.液压体系规划不合理。操作阀与全液压转向器为单泵串联，安全阀调定压力分16MPa，而挖掘机液压泵的额外作业压力也为16MPa。液压泵经常在满负载或长时间超负荷(高压)状况下作业，而且体系有液力冲击，长时间不换油，液压油受污染，加重液压泵磨损，致使液压泵泵壳炸裂(后曾发现此类毛病)。)