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  1. #11
    Elite Member Bob Rooks's Avatar
    Join Date
    Feb 2007
    Posts
    2,592
    Location
    Bothell & Silverdale, WA
    Tractor
    Yuchai Bulldozer

    Default Re: New JD450c owner

    Quote Originally Posted by DrHolliday View Post
    Thanks Bob for the reply, I was pushing some dirt, with all systems go, then it stopped moving forward or reverce. I just ordered a OM from JD will have it Friday. Engine runs great and all other systems work. I did notice that a lot of fluid had leaked from around the left back finial drive.
    Before I do anymore I will wait for the Manual. I think it is a 1979.
    Thanks for any info.
    DR
    It's obviously something that affects both tracks then. Check all oil levels.
    Yuchai 306R dozer, Mustang 2040 skid steer, Mitsubishi MS035 Mini-Ex with four buckets and a rake, 7' Dual Dozer with dual Trimble machine control GCR-2SM laser receivers.

  2. #12
    Elite Member JasG's Avatar
    Join Date
    Jan 2004
    Posts
    3,204
    Location
    CNY
    Tractor
    Kubota L3240

    Default Re: New JD450c owner

    Quote Originally Posted by DrHolliday View Post
    Thanks Bob for the reply, I was pushing some dirt, with all systems go, then it stopped moving forward or reverce. I just ordered a OM from JD will have it Friday. Engine runs great and all other systems work. I did notice that a lot of fluid had leaked from around the left back finial drive.
    Before I do anymore I will wait for the Manual. I think it is a 1979.
    Thanks for any info.
    DR
    Do you have any feeling when pushing in the clutch? The main things common to both sides would be the engine clutch I wonder if something there let loose.

    The high low reverse clutch is hydraulic, its possible the valve went bad or something in that system.

    It could also be the transmission itself.

    It's been a long time for me since I looked at one of these up close.
    “Government is like a baby. An alimentary canal with a big appetite at one end and no sense of responsibility at the other."


    Ronald Reagan

  3. #13
    Elite Member JasG's Avatar
    Join Date
    Jan 2004
    Posts
    3,204
    Location
    CNY
    Tractor
    Kubota L3240

    Default Re: New JD450c owner

    One more note:

    If you go to Deere.com under parts you can look up parts with drawings of the assembly. I have found it very helpful in seeing how something goes together and/or help trouble shooting.


    John Deere - Parts Catalog
    “Government is like a baby. An alimentary canal with a big appetite at one end and no sense of responsibility at the other."


    Ronald Reagan

  4. #14
    Elite Member
    Join Date
    Jul 2006
    Posts
    3,107
    Location
    Meridian Idaho
    Tractor
    Kubota B7100D

    Default Re: New JD450c owner

    I would try the forums at jdcrawlers.com, active board with lots of info.

  5. #15
    Veteran Member
    Join Date
    May 2008
    Posts
    1,181
    Location
    A little southeast of Syracuse, NY
    Tractor
    Kubota

    Default Re: New JD450c owner

    Quote Originally Posted by DrHolliday View Post
    I am trying to put a JD450C back to working that has not been cranked in eight years, I have it running but it will not move, everything else works.

    Hope to make it work without too much money.

    DrHolliday
    Did you ever find the issue?

  6. #16
    New Member
    Join Date
    Nov 2012
    Posts
    1
    Location
    south lake tahoe, ca
    Tractor
    ihc 500c

    Default Re: New JD450c owner

    I was a JD mechanic for many years. Does the left pedal (engine clutch) have the fell similar to a car clutch? If so, make sure you have enough transmission oil(checked running)/ under seat dipstick. If above are of, you kind of have to put some pressure guages in it to see if you have transmission pump pressure.

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