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  1. #11
    Elite Member
    Rest in Peace

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    Apr 2003
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    3,741
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    New Hampshire
    Tractor
    Kubota B2710, IH TD6-62 dozer with Drott 4n1 bucket loader

    Default Re: Category 1 3pt hitch specifications

    It's interesting. All I have ever seen published are exactly what TractorSmart has only with the cat 0 and cat 3 blanks filled in.

    However, very few manufacturers follow that spec. I have implements from Midwest, Landpride, and Pronovost and none of them are within even 2" of several measurements. About the only thing in common is the lift pin and top link pin diameters.

    Now, every implement that I have built (about 10 of them) conforms to the spec within 1". Although I am not a mechanical engineer, I believe that following the spec would give you maximum load and stability efficiency from the 3pt.

  2. #12
    Super Star Member rswyan's Avatar
    Join Date
    May 2004
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    10,217
    Location
    Northeast Ohio
    Tractor
    Kubota B2910, Simplicity 18 CFC, Cub Cadet 782

    Default Re: Category 1 3pt hitch specifications


  3. #13
    Epic Contributor Soundguy's Avatar
    Join Date
    Mar 2002
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    49,568
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    Central florida
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    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: Category 1 3pt hitch specifications

    </font><font color="blue" class="small">( However, very few manufacturers follow that spec. I have implements from Midwest, Landpride, and )</font>

    Yep... I hit landprides site.. they had a small writeup on their quick hitch... Apparently the 'suitability' drops of fthe older' you get on the implement... I.e. they are built on the 'small' side of the spec...

    When i build stuff for my 3pt.. I generally just start with a 3pt drawbar as a base template and go from there. Few things a 'mission critical' when you are working give or take an inch on the toplink connection... just make sure the geometry and range of motion works and that the toplink doesn't strike the implement at max lift.. etc.

    Soundguy

  4. #14
    Silver Member
    Join Date
    Feb 2005
    Posts
    116
    Location
    Keenesburg CO

    Default Re: Category 1 3pt hitch specifications

    Do you want to know implement specs, or quickhitch specs? Let me know, all ASAE specs are on my shelf, would take about 5 mins to look up for you.

  5. #15
    Silver Member Jarrett's Avatar
    Join Date
    May 2004
    Posts
    231
    Location
    Holden, Louisiana
    Tractor
    Kubota L3130DT

    Default Re: Category 1 3pt hitch specifications

    I guess both. Whatever you have would be great.

    Thanks guys!

  6. #16
    Silver Member
    Join Date
    Feb 2005
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    116
    Location
    Keenesburg CO

    Default Re: Category 1 3pt hitch specifications

    Sorry, I got busy and didn't get back as soon as I wanted.
    Let me know if you need any clarification on the terms or what the measurements are for.

    quick hitch spec, ASAE cat I
    Lower socket inside span 27.03-27.15 in
    Lower socket width 1.10-1.16
    Upper hook verticle spacing 14.78-14.88
    Upper hook width 1.25

    Three point implement spec, ASAE cat I
    Lower hitch pin span 683+-1.5mm (26.89+-.059 in)
    Mast height 460+- 1.5mm (18.11 +- .059in)

  7. #17
    Super Star Member
    Join Date
    Aug 2001
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    12,812
    Location
    Upper Midwest USA
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    JD_4x2_Gator, JD_4300, JD_X485, JD_425, JD_455, JD_110

    Default Re: Category 1 3pt hitch specifications

    And a drawing for the quick hitch ASAE standard attached.

    Attached Images Attached Images

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