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  1. #1
    Gold Member
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    Aug 2005
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    428
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    West TN
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    JD 3520 eHydro

    Default Odd newbie question

    I have a friend with a 4' tiller(older unknown make), the PTO shaft is messed up. The half of the shaft connected to the tiller is intact. The other half is not there. My question is this: Can I use half of my shaft, connected to the half on his tiller? Will this work? If not, what do I need to do? Thanks.
    2006 JD 3520
    300CX, Frontier BB2060
    1977 JD 214, 47 deck, 23" ags

  2. #2
    Super Member schmism's Avatar
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    Jul 2006
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    5,092
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    Peoria IL
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    New holland TC(33)

    Default Re: Odd newbie question

    if the shafts slide together well... and the lenght works out (not to long or short)

    then id say so..
    Steve - TC33D 4x4 FEL, dual rear remotes with toys

  3. #3
    Gold Member
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    Aug 2005
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    JD 3520 eHydro

    Default Re: Odd newbie question

    Thats kind of what I was thinking, just wasnt sure if it was that simple.
    2006 JD 3520
    300CX, Frontier BB2060
    1977 JD 214, 47 deck, 23" ags

  4. #4
    Veteran Member gordon21's Avatar
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    Feb 2006
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    Lake Lure NC
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    JD 790

    Default Re: Odd newbie question

    It will work as long as the the shaft is not too long when the 3PT is up high. If the compressed shaft length is too long, you will smash your drive spline back into the tranny and have a huge repair bill.

    When you raise the 3PT all the way, lets say the minimum distance is 32" from the tractor to the tiller. But if your compressed shaft is 32.5", you are in trouble.

    It doesn't matter when the tiller is down low. The shaft is extending automatically to the correct length back and forth as long as it is long enough. Of course if the longest length is too short, the shaft will come apart. If that happens, you have no repair bill. you merely need to buy a longer shaft.
    Lewis Gordon

    JD 790, 300 FEL, 5' KK rotary mower, 5' boxscraper, Huskee 3PT logsplitter, JD#39N sickle mower and a Jinma 6" chipper in JD colors.

    My XUV gas Gator wants a brother !!!!!!!! (the diesel kind)

  5. #5
    Elite Member
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    Windham County, Conn
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    Ford 2120 , New Holland TN75D, Hitachi UH083LC Excavator

    Default Re: Odd newbie question

    Quote Originally Posted by gordon21
    Of course if the longest length is too short, the shaft will come apart. If that happens, you have no repair bill. you merely need to buy a longer shaft.
    Not always. One half of a PTO shaft spinning can cause a lot of damage as it flails around and hits things.

    Andy

  6. #6
    Veteran Member gordon21's Avatar
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    Lake Lure NC
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    JD 790

    Default Re: Odd newbie question

    So right you are. I meant that the shaft length should be checked with the PTO off, of course. Having the shaft come apart under load would be a bad thing (read expensive and dangerous). The top half would be flailing around at 540 RPM. I have no desire to be hit with a 15# piece of steel flying at 60MPH in a big circle whacking me 9 times every second.
    Lewis Gordon

    JD 790, 300 FEL, 5' KK rotary mower, 5' boxscraper, Huskee 3PT logsplitter, JD#39N sickle mower and a Jinma 6" chipper in JD colors.

    My XUV gas Gator wants a brother !!!!!!!! (the diesel kind)

  7. #7
    Platinum Member
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    Jul 2003
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    ME
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    John Deere 3320 eHydro with 300CX FEL

    Default Re: Odd newbie question

    I recently did the same thing with my tiller. The driveline on my tiller was not long enough for use with my iMatch. So I used the tractor side of the driveline off of my RFM with the existing implement half on the tiller. It gave me the extra couple of inches that I needed and it worked fine.

    You also need to be concerned about the profile of the tubes and their Category rating. Are they the same profile? Some older tubes can be square. Are they the same category? If they are the same Category, then you will be fine. If one is Category 3 and one is Category 4, then you should still be OK. If one is Category 4 and one is Category 5, then they will not be compatible.
    JD 3320 eHydro with 300CX FEL, iMatch, RFM, RC, SBM, RT, LR, BB, DH, PHD & EZmover
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  8. #8
    Gold Member
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    Aug 2005
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    428
    Location
    West TN
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    JD 3520 eHydro

    Default Re: Odd newbie question

    I am going to go try it today. Will let you know. Thanks for the replies.
    2006 JD 3520
    300CX, Frontier BB2060
    1977 JD 214, 47 deck, 23" ags

  9. #9
    Gold Member
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    Aug 2005
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    428
    Location
    West TN
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    JD 3520 eHydro

    Default Re: Odd newbie question

    It worked fine. I mated the "tractor half" of my shaft to the implement side of his PTO shaft and all is well. That is a cutting little tiller. Did a great job. Tilled up about half an acre in under 3 hrs. I have got to find a good used tiller for myself. I am thinking a 5 footer for the 3520. Does this sound about right for 31 PTO HP?
    2006 JD 3520
    300CX, Frontier BB2060
    1977 JD 214, 47 deck, 23" ags

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