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  1. #1
    New Member
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    Jan 2013
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    3
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    Kosrae, FM
    Tractor
    mitsunishi d3850fd

    Default SLOW going with stuck subshift on Mitsubishi D3850

    Tractor only crawls like a turtle with the subshift stick in LOW. Main shift works OK through all gears and reverse. Before the subshift got stuck in LOW, even when subshift was in HIgh, tractor still moved only very slow. Clutch seems to work OK with the main shift. Any experience or help on this problem? The nearest tractor mechanic for us is a plane ride away. Thanx

  2. #2
    Gold Member
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    Jan 2006
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    350
    Location
    Stone Mountain, GA
    Tractor
    Case 1210, Mitsubishi D2050

    Default Re: SLOW going with stuck subshift on Mitsubishi D3850

    Look at the bolt going through the ring that the shifter attaches to and make sure it is intact. Mine rusted enough that the shifter would spin on the shaft.

  3. #3
    New Member
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    Jan 2013
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    Kosrae, FM
    Tractor
    mitsunishi d3850fd

    Default Re: SLOW going with stuck subshift on Mitsubishi D3850

    Thanks, we will check that out and see if it solves the problem.

  4. #4
    Veteran Member Kernopelli's Avatar
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    Oct 2006
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    1,724
    Location
    Carterville, Illinois
    Tractor
    Mitsubishi MTE2000D, Dig It 258 Backhoe

    Default Re: SLOW going with stuck subshift on Mitsubishi D3850

    I had the same issue on my MTE2000D and the the pin that slides the range gear had broken off the end of the shaft. Had to pull the top of the trans case and drain the fluid to see and work on it but it was a pretty simple fix. Pull the shift assembly out of the trans case, weld the pin back in place and put assembly back in the case....pretty basic mechanically speaking. I have also heard others on the forum describe the issue ThomasH mentioned. I think mine uses a roll pin instead of being bolted but w/either design, you will figure it out easily if that is the problem.
    Darryl

  5. #5
    New Member
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    Jan 2013
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    Kosrae, FM
    Tractor
    mitsunishi d3850fd

    Default Re: SLOW going with stuck subshift on Mitsubishi D3850

    Thanks Darryl, the pin was broken off at the end, like you described. Now that is fixed, subshift moves OK between L-M-H. But the tractor is still moving pretty slow in M & H. Main shift seems to work OK through all gears. ANy suggestions what to check?

  6. #6
    Veteran Member Kernopelli's Avatar
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    Oct 2006
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    Location
    Carterville, Illinois
    Tractor
    Mitsubishi MTE2000D, Dig It 258 Backhoe

    Default Re: SLOW going with stuck subshift on Mitsubishi D3850

    It is a gear drive tractor so as long as all trans gears are moving/engaging as they should, you should be getting full power/speed unless the clutch is slipping. I have a 3x3 trans and 3rd gear in high range is only good for about 12 MPH. Put it in mid- range and that goes down to probably 5-6 mph. You have a considerably larger tractor than mine but I suspect the speeds might only differ by a few MPH.....I have yet to see a Mitsubishi that was geared for much speed. When you say "pretty slow".....does that mean that there is some difference from low range? If you know for certain that the range gear is now moving I would check the clutch and go from there.
    Darryl

  7. #7
    Veteran Member Kernopelli's Avatar
    Join Date
    Oct 2006
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    1,724
    Location
    Carterville, Illinois
    Tractor
    Mitsubishi MTE2000D, Dig It 258 Backhoe

    Default Re: SLOW going with stuck subshift on Mitsubishi D3850

    Just looked the 3850 up and see you have a 5x3 trans. Given the size and gears, I could imagine it having a higher speed range and or "road gear" when in 5th gear x H range....... looked at your first post and you had mentioned that the clutch seemed good. You also mention that the main shift seems to be working correctly. Assuming that you can shift through all gears and ranges and see some speed difference with each gear change, I just cant think of anything other than slipping clutch that would limit it's designed speed. (Approximately) how slow is it?
    Darryl

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