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  1. #1
    New Member
    Join Date
    Feb 2018
    Posts
    3
    Location
    RIVER FALLS
    Tractor
    New Holland TC40D

    Default TC40D won't shift into gear

    I can't get my TC40DA to shift into gear without grinding and will not stop with pedal commands

  2. #2
    Silver Member
    Join Date
    Aug 2012
    Posts
    225
    Location
    Storrs, CT
    Tractor
    Farmall H, TC40DA, Farmall 200 F spreader, Dolmar saws, lots of junk

    Default Re: TC40D won't shift into gear

    First thought is that the clutch needs to be adjusted.

  3. #3
    New Member
    Join Date
    Feb 2018
    Posts
    3
    Location
    RIVER FALLS
    Tractor
    New Holland TC40D

    Default Re: TC40D won't shift into gear

    Sorry, I should have said it's a hydrostatic trans

  4. #4
    Silver Member
    Join Date
    Apr 2009
    Posts
    178
    Location
    Jefferson, ME
    Tractor
    Pasquali 988

    Default Re: TC40D won't shift into gear

    When i bought my tc35 used once i got it home i could not shift it in or out of 4wd and it was just the long lever was bent. Id get under neath and look gor bent lever to start

  5. #5
    New Member
    Join Date
    Feb 2018
    Posts
    3
    Location
    RIVER FALLS
    Tractor
    New Holland TC40D

    Default Re: TC40D won't shift into gear

    lever moves but gears grind and pedals are unresponsive

  6. #6
    Silver Member
    Join Date
    Aug 2012
    Posts
    225
    Location
    Storrs, CT
    Tractor
    Farmall H, TC40DA, Farmall 200 F spreader, Dolmar saws, lots of junk

    Default Re: TC40D won't shift into gear

    Quote Originally Posted by jefflasar View Post
    Sorry, I should have said it's a hydrostatic trans
    OH, Sorry. If the gears are grinding and the pedals don't operate, it is likely that the shaft the pedals rotates has come loose at the connection to the transmission. That can result in the hydro part of the tractor transmission trying to be engaged when you try to shift the range selector into gear. It is like you have the clutch engaged in a standard transmission. I hope I've said that clearly. The connector I referred to is very difficult to reach and to tighten the clamp that holds it to the transmission shaft. I, finally, cut a piece out of the floor pan on my tractor to make an access.

  7. #7
    Veteran Member repowell's Avatar
    Join Date
    Jan 2011
    Posts
    1,297
    Location
    East Texas
    Tractor
    NH Boomer 8N, NH TC40DA

    Default Re: TC40D won't shift into gear

    Here is the service manual for my TC40DA HST. From what I see on Messick's parts diagrams I don't think there is much difference. The second section deals with pedal adjustment so you can see how they attach. If everything on the outside is tight and in alignment it sounds like you will have to go into the transmission case. There is an internal clutch assembly. Hope these help.

    Sect29C1.pdf

    Sect29C2.pdf
    Randy

    NH Boomer 8N, 6' Bush Hog Squealer Rotary Cutter
    NH TC40DA, 16LA FEL, Red Master II Harrow
    Land Pride 6' Tiller, 7' Landscape Rake
    2017 GMC 2500HD 4X4 6.6 Duramax, Allison
    2008 GMC 2500HD 4X4 6.6 Duramax, Allison
    Big Tex 12GP 20' GN trailer, 50LA 14' bumper pull
    Kawasaki Mule 4010 Trans4X4, Kubota ZD1211 60"

  8. #8
    Silver Member
    Join Date
    Aug 2012
    Posts
    225
    Location
    Storrs, CT
    Tractor
    Farmall H, TC40DA, Farmall 200 F spreader, Dolmar saws, lots of junk

    Default Re: TC40D won't shift into gear

    I just had one additional thought. I did have a weld fail on mine a few years ago that caused the same lack of operation of the pedals. I would suggest that WITH THE TRACTOR OFF you get underneath and look at the pedal mechanism while you have someone else move the pedals. You may see everything moving correctly EXCEPT for the shaft to the transmission. The weld that holds that shaft to the flat plate that the cruise control engages with failed on mine.

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