A10VO的泵與A10VSO的泵有區別嗎？

力士樂A10VO的泵與A10VSO的泵首先外形尺寸不一樣，控制方式SO的少一些。軸承也不*一樣。
A10VO for Mobil applications.
A10VSO for Industry application.
71 is displacement size;
DFR is for control devices, such as DG,DR,DRG,DRF,DRS,LA,DFE,DFEE,ED,ER