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  1. #1
    New Member
    Join Date
    Jul 2014
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    2
    Location
    VA
    Tractor
    1985JD 450D buldozer

    Default 1985 JD450 D Buldozer will not shift into another gear while running.

    If you get this dozer in between gears while trying to shift the clutch will not release and allow the gear change. Can the clutch be adjusted or is some other maintenance required?

  2. #2
    Elite Member Tx Jim's Avatar
    Join Date
    Jan 2007
    Posts
    4,932
    Location
    North Texas
    Tractor
    JD 4255/Kubota M7040 HDC

    Default Re: 1985 JD450 D Buldozer will not shift into another gear while running.

    Clutch pedal free travel can be adjusted but it sounds as if clutch plate is stuck.

  3. #3
    New Member
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    Jul 2014
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    Location
    VA
    Tractor
    1985JD 450D buldozer

    Default Re: 1985 JD450 D Buldozer will not shift into another gear while running.

    Does this require eng removal to correct?

  4. #4
    Elite Member Tx Jim's Avatar
    Join Date
    Jan 2007
    Posts
    4,932
    Location
    North Texas
    Tractor
    JD 4255/Kubota M7040 HDC

    Default Re: 1985 JD450 D Buldozer will not shift into another gear while running.

    Try blocking clutch pedal down,start engine and get engine up to operating temperature to see if clutch plate will free up. Another possibility is a broken pressure plate bolt bolt which would require engine R&R.

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