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  1. #1
    Member
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    May 2012
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    Pollock, LA
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    Ford 2000

    Default Cheetah gear box

    I have a cheetah gear box on my bush hog and it does not have a hole in the shaft for a shear bolt, the drive line has a push pin yolk just like tractor end. Will this damage tractor or bush hog if I hit a stump?

  2. #2
    Silver Member
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    May 2006
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    Montgomery, Alabama
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    tn75s, tc33d, mc35, gt65, 6640, 3010s, TS110, TS115, TN70, Massey 5470

    Default Re: Cheetah gear box

    I am afraid it will. You should get a new tractor to gear box link with either a shear pin or a slip clutch.

  3. #3
    Member JD15302155870's Avatar
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    Oct 2010
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    Commerce, GA

    Default

    I have seen some older bush hogs with the shear bolt underneath the housing with the blade assembly. It's a pita to replace but I've never seen one without some type of safety device either bolt or clutch.

  4. #4
    Member
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    May 2012
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    Pollock, LA
    Tractor
    Ford 2000

    Default Re: Cheetah gear box

    OK guys let me start over the gear box has a splined shaft and I did find a hole it was covered with grease it is a small hole about 5/16. I don't know a lot about bush hogs but to me a splined shaft would do no good with shear bolt , I assume that hole is to keep drive line from coming off if the yoke doesn't have a push pin. Could you explain this to me. thanks

  5. #5
    Silver Member
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    Montgomery, Alabama
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    tn75s, tc33d, mc35, gt65, 6640, 3010s, TS110, TS115, TN70, Massey 5470

    Default Re: Cheetah gear box

    Kenny, the spline shaft on the gear box will not be where the shear bolt would be. The shear bolt will be between the part coming from the tractor and the part that slips over the splines....the idea is for the tractor to keep on turning at the pto and the shaft coming off the tractor's pto will continue to turn, but since the bolt has sheared, the gear box will not be turning until you replace the bolt. Is that understandable to you? It's kind of hard to put into words.

    http://www.lulusoso.com/upload/20110...er_for_Pto.jpg

    If you can open the link, you will see that the part that slides over the gearbox splines is at the bottom, just up from that you will see the shear bolt running in line with the axis of the part and then up from that is the part that connects to the u joint. Do you see and understand this??
    Last edited by ironpen; 09-30-2012 at 08:23 PM.

  6. #6
    Member
    Join Date
    May 2012
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    32
    Location
    Pollock, LA
    Tractor
    Ford 2000

    Default Re: Cheetah gear box

    Thanks for explaining now I know what to look for

  7. #7
    Silver Member
    Join Date
    May 2006
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    233
    Location
    Montgomery, Alabama
    Tractor
    tn75s, tc33d, mc35, gt65, 6640, 3010s, TS110, TS115, TN70, Massey 5470

    Default Re: Cheetah gear box

    My pleasure.

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