Bio-Ray User since: 6th April 2017
This excavator is 15 years old. I have been using X brand of hydraulic oil all the time, but changed to Bio-Ray Infrared Hydraulic Oil on February 2017. After using Bio-Ray Infrared Hydraulic Oil, I notice the backhoe now can perform more smoothly, quietly and more powerful. The plump efficiency and productivity has increased about 15%. Moreover, to my surprised, the hydraulic plump’s temperature has come down so much that my hand can touch the plump now.