John Deere 8400 3pt hitch problem
JL4440
Posted 3/18/2026 19:23 (#11589518)
Subject: John Deere 8400 3pt hitch problem


middle Georgia
We changed the hydraulic filter on our 8400 and now all the hitch wants to do is jump up and down 6 to 8 inches . It will not raise up like it is supposed to. We have turned every nob, taken the filter back off and checked for blockage. I do not want to run it too much, I am afraid I might mess up something else. Any help w would be greatly appreciated. John Deere dealer has not been much help. Thank you
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