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  1. J

    J.D. 4040 A.C. Compressor problems.

    My compressors have been lasting from 14-18 months. They start leaking freon at the front seal, throwing freon on the tool box. Condensor looks clean and just about everything else has been changed. I'm told that this has been an ongoing problem with the old Delco A-6 compressors. Any ideas? Has...
  2. J

    J.D. 4040 Humming Sound.

    My 4040 has developed a humming (roaring) sound. I believe it to be hydraulic related as it lessens a lot or completely stops when I drop the 3 point arms full down. I have changed the hydraulic oil, filter and screen. Any thoughts would be appreciated.
  3. J

    J.D. 4040 trans/hyd screen.

    Does a John Deere 4040 with a synchro range transmission have a screen in addition to the hydraulic filter?
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