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  1. #1
    Silver Member
    Join Date
    Jul 2002
    Posts
    203
    Location
    Seguin, TX
    Tractor
    Kubota BX2200

    Default 3 pt driveshaft length

    I got me a (old) new shredder and need to shorten the 3 pt driveshaft, How much overlap should you have at the lower operating position so the shaft won't be too long in the raised position?

  2. #2
    Epic Contributor Bird's Avatar
    Join Date
    Mar 2000
    Posts
    39,420
    Location
    Texas

    Default Re: 3 pt driveshaft length

    JimC, the short answer is to have a minimum of 6" overlap at the point of greatest extension and have the overlap 3" short of the u-joint at the point of least extension. However what I would suggest is that you go to Bush Hog and scroll down to page 9 and read the instructions complete with pictures.

  3. #3

    Join Date
    Oct 2001
    Posts
    7
    Location
    Texas
    Tractor
    KUBOTTA B2400 , L4200 , Farmall super C

    Default Re: 3 pt driveshaft length

    With the Implement on the ground AND attached to the tractor(3pt or drawbar),The"Fullycollapsed/telescoped to its whole lenth " driveshaft should just clear the PTO splined power shaft on the tractor. It will extend only 2 -3 inches to fit and lockon the power shaft. The driveshaft gets longer and telescopes out when you lift the implement off the ground . You should leave plenty of innershaft to be safe

  4. #4
    Silver Member
    Join Date
    Jul 2002
    Posts
    203
    Location
    Seguin, TX
    Tractor
    Kubota BX2200

    Default Re: 3 pt driveshaft length

    Thanks to both of you guys, The Bush Hog manual is real clear and the additional info on setting the length with the shaft in its collapsed positionand the implement raised makes it so clear and simple that I don't think I can mess it up in anyway.
    Love this TBN wedsite.
    JimC

  5. #5
    Veteran Member
    Approved Advertiser
    HayDR's Avatar
    Join Date
    Oct 2002
    Posts
    1,884
    Location
    Johnson City, TN
    Tractor
    JD 2040,2240, 2355, 2755, 4055

    Default Re: 3 pt driveshaft length

    Some specialty shafts allow 3" overlap. We typically see these shafts used in chipper applications but I have seen them used in some other applications.

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