Servohyvis EE oils are Zinc base antiwear type hydraulic oils recommended as fluid media in all hydraulic systems where very low operating temperatures are encountered and the application demands use of a very high shear stable viscosity index oils. This grade is recommended as hydraulic fluid for HEMMs including Hitachi Excavators working in Mining area. Tata Steel has approved the use of this oil since it has been able to double its oil drain interval from 2000 hrs to 4000 hrs.