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  1. #1
    Bronze Member
    Join Date
    Feb 2001
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    56
    Location
    Bulverde, Texas
    Tractor
    JD 4500

    Default Strengthen shedder arms

    I need help on a JD 613 Shredder. Should have bought a heavier duty model.

    The metal arms that mount on the top of the shredder body and extend to the top mount of the 3-point have broken.

    Does anyone know where I can get heavier duty arms?

    Thanks

  2. #2
    Platinum Member
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    Sep 2002
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    669
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    Alachua, Florida
    Tractor
    JD 790, JD 6420

    Default Re: Strengthen shedder arms

    I think that I would make them ... or take it to a welding shop and let them make them. How and where did they break?
    Leo

  3. #3
    Bronze Member
    Join Date
    Feb 2001
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    56
    Location
    Bulverde, Texas
    Tractor
    JD 4500

    Default Re: Strengthen shedder arms

    The left side (looking from the back) arm broke right at the top mounting bolt. Don't know if it bound up or what caused it to break. I have 25 acres and some of it is treed and rocky. The 613 may have been a little light duty.

  4. #4
    Platinum Member
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    Sep 2002
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    669
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    Alachua, Florida
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    JD 790, JD 6420

    Default Re: Strengthen shedder arms

    I think that you may be able to just weld this and you could reinforce it with a piece of 1/4 or 3/8 inch flat strap iron (steel). I have a 513 that I use behind a JD 5220 and cut 2+ inch thich brush and the only problem I have is shearing shear pins. I am going to put a slip clutch on it that I have from another mower and do away with the shear pin problem. I don't baby this thing very much and so far it has not had a problem staying with me. You could have gotten it bound up and something had to give! You can always increase the strenght of the support by making them from larger material. Good luck and let us know how it turns out!
    Leo

  5. #5
    Epic Contributor jinman's Avatar
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    Feb 2001
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    21,013
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    Texas - Wise County - Sunset
    Tractor
    NHTC45D, NH LB75B, Ford Jubilee

    Default Re: Strengthen shedder arms

    Do you have the toplink "float" adapter for your cutter, or is it hooked up to a rigid pin? If it's rigid, you will probably experience this problem over and over. If you reinforce the cutter enough, the next thing to break might be where the toplink attaches to your tractor.

  6. #6
    Bronze Member
    Join Date
    Feb 2001
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    56
    Location
    Bulverde, Texas
    Tractor
    JD 4500

    Default Re: Strengthen shedder arms

    jinman,

    Sorry but what is a floating top link? There is an adjustable arm that extends from the top mount of the shredder to the top of the 3 point. The top mount of the shredder has no adjustment but there are extension arms that "float" ( I guess) and can swing fore and aft. Is this what you mean?

    Thanks to all for the response.

    Kurt

  7. #7
    Epic Contributor jinman's Avatar
    Join Date
    Feb 2001
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    21,013
    Location
    Texas - Wise County - Sunset
    Tractor
    NHTC45D, NH LB75B, Ford Jubilee

    Default Re: Strengthen shedder arms

    King Kutter with toplink float adapter

    Kurt, where the toplink attaches to the rotary cutter, there should be something like is shown in the linked photo. It's normally about 6" long and allows the toplink to "float" back and forth as the cutter's tailwheel goes over rough ground. When yuo lift the cutter with the 3PH, the adapter rotates forward and allows you to lift the cutter. Some cutters have a slot cut where the toplink pin attaches to allow a similar movement. If yours doesn't have something like this, your toplink will feel every shock from the tailwheel running over rough terrain. Sure, the whole cutter will lift, but not until the cutter delivers a "hammer blow" to the toplink.

    Did your cutter not come with one of these float adapters or something similar? [img]/forums/images/graemlins/confused.gif[/img]

  8. #8
    Platinum Member
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    Sep 2002
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    Location
    Alachua, Florida
    Tractor
    JD 790, JD 6420

    Default Re: Strengthen shedder arms

    Hi,
    The part you need is number 28 in the attachment to this reply. jinman is absolutely correct about your need for this if you are not using it. Also I am fairly sure that your tractor is a CAT 1 hitch. This cutter can be used on Cat1 or 2 you just need the little Cat 1 adapters. They are the little cylinders part number 29 (2 ea.) and 27 (1 ea.). I hope that I get the right file now and I hope this helps.
    Attached Images Attached Images

  9. #9
    Platinum Member
    Join Date
    Sep 2002
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    669
    Location
    Alachua, Florida
    Tractor
    JD 790, JD 6420

    Default Re: Strengthen shedder arms

    Here is the 513 which the mower you have. The "link" is a little different and the Cat 1 Adapters are shown a little better.
    Leo
    Attached Images Attached Images

  10. #10
    Super Star Member
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    Aug 2001
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    11,617
    Location
    Upper Midwest USA
    Tractor
    JD 4300, JD X485 JD 4x2 Gator, JD 425, JD455

    Default Re: Strengthen shedder arms

    I have the 513 Rotary Cutter (Deere's name?) and I replaced the arms that were item #1 in EM14's attachment with chain. The chains tighten when the cutter is lifted, but are loose when the rear of the cutter raises, such as when backing up a ditch bank. I didn't have enough flexibility in the link arrangement that came with the rotary cutter, so went with the chains and they work well. The first clue that the long straps don't work is when they are bending during use.
    Apparently yours just broke under the compression stress.
    Attached Images Attached Images

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