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  1. #1
    New Member
    Join Date
    Jul 2011
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    3
    Tractor
    John Deere 850 compact utility

    Default John Deere 850 utility m transmission repair

    A "freind used my 850 compact utility tractor with manual transmission and now the shifter for high and low range doesn't operate. It just moves without resistance. Can it be repaired by removing the 4 bolts on the plate that hold the main shifter lever or what needs to be done? Did he break a pin or what is most likely the problem?
    Thanks for any help on this.
    Randy 1

  2. #2
    Elite Member Tx Jim's Avatar
    Join Date
    Jan 2007
    Posts
    4,779
    Location
    North Texas
    Tractor
    JD 4255/Kubota M7040 HDC

    Default Re: John Deere 850 utility m transmission repair

    If the spring pin that attaches shift handle to rod is intact then it could be the shift fork part # CH13359 or related items. I would think one would have to remove trans top cover to look inside.

  3. #3
    New Member
    Join Date
    Jul 2011
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    3
    Tractor
    John Deere 850 compact utility

    Default Re: John Deere 850 utility m transmission repair

    The spring pin is in tact and the shaft moves with the handle. By taking off the cover can I replace the fork or whatever is broken without taking the tranny apart? I have never workedon a John Deere tranny before and it has been many years since working on a tractpr tranny at all.

  4. #4
    Platinum Member
    Join Date
    Dec 2001
    Posts
    988
    Location
    Maryland

    Default Re: John Deere 850 utility m transmission repair

    Could be the fork or shift lever #9 in diagram. Either way tractor needs to be split. I think you may be able to see it if you remove plate behind the main shift lever.
    Attached Thumbnails Attached Thumbnails -rwp2368________un01jan94-gif  

  5. #5
    New Member
    Join Date
    Jul 2011
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    3
    Tractor
    John Deere 850 compact utility

    Default Re: John Deere 850 utility m transmission repair

    That's what I was afraid of, any idea how many hours a dealer would charge for this? Any info you could give would be greatly appreciated.

  6. #6
    New Member
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    Sep 2011
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    Tractor
    tonyfav@comcast.net

    Default Re: John Deere 850 utility m transmission repair

    Quote Originally Posted by Randy 1 View Post
    A "freind used my 850 compact utility tractor with manual transmission and now the shifter for high and low range doesn't operate. It just moves without resistance. Can it be repaired by removing the 4 bolts on the plate that hold the main shifter lever or what needs to be done? Did he break a pin or what is most likely the problem?
    Thanks for any help on this.
    Randy 1
    Randy did you ever follow through and repair this tractor?
    I just had this happen to my 850 and after taking it apart i found the shift pin actually broke. The replacement part is only 20 bucks but there's no way of getting it in without breaking down the tractor from what I see.
    I'd like to know what you ended up doing and what it cost you.
    I'm thinking of having a 2 piece part machined so I could put it in there with out taking the tractor apart.
    Anybody else have any ideas.

  7. #7
    Platinum Member Henri88's Avatar
    Join Date
    Nov 2009
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    725
    Location
    Northern N.B.
    Tractor
    2008 JD 2305

    Default Re: John Deere 850 utility m transmission repair

    I would suggest that you send Randy a private messages since he is a new member it is possible that he does not follow TBN regularly.
    Henri

    How could you be told I was french?

    Rotary cutter 4' Howse , mid mount mower 54'' , f.e. loader 200CX , tiller RT1150 Frontier , cultivator PC1001 Frontier , middle buster PM1001 Frontier , JD 47'' front snowblower , pallet forks , 4' boxblade Agriease , grass-sweeper , quick hitch Speeco , trailer hitch , cab Jodale-Perry , trailer 16' galvanized Easy-Hauler ,

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