Case 780CK migration of hydraulic fluid into transmission.

Had a bit of an issue this summer placer mining with my Case 780CK (We used it for just feeding the wash plant)

One night I noticed that hydraulic fluid was coming out of the pressure relief valve for the transmission on closer inspection I decided to drain the transmission from the upper fill bolt, I drained about 7 Gallons of Hydraulic fluid.
Then I checked the Hydraulic Tank and it was showing low, I proceeded to refill the Hydraulic tank and continue on running and for the rest of...

Case 780CK migration of hydraulic fluid into transmission.

Case 780CK migration of hydraulic fluid into transmission.