Looking at an older track grade all. The owner said just as he started down a hill all the functions stopped working. He ran out of hydrogen fluid. Put 20 gallons in and started it up and now nothing works. Has three pumps stacked on each other Put a gauge on the output if the last pump and less then 200psi. It the smallest so I'm assuming its the pilot pump. Didn't have a gauge for the main pumps but no pressure anywhere else and no function or pilot pressures. Think the pumps might be done but I would like to find out for sure.
Thanks
Thanks
Grade all ran outbid hyd oil
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