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  1. #1
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    Sep 2005
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    Default Help to ID pin clutch, Rhino HPHD

    I just bought a used Rhino HPHD, as-is. While testing it I got it stuck, and the driveline just started "clicking/vibrating" until engine stall. I thought the unit had shear pin driveline protection, but some research is leading me to think I may have a radial pin clutch system. Only other thing I can think of is stripped gears in the gear box.

    Thought I'd try here before tearing into it to see what inside.

    thanks,

  2. #2

    Join Date
    Jun 2002
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    873
    Location
    N Central Ohio
    Tractor
    NH TC35D/SUPER H&M/F-20/JD B&D/FORDSON/JD250 SSL

    Default Re: Help to ID pin clutch, Rhino HPHD

    Does this unit use a chain between motor and drive?
    A slipping chain will give that sound.
    Most hydro drives will stall motor before breaking a shear pin.

  3. #3
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    Sep 2005
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    Default Re: Help to ID pin clutch, Rhino HPHD

    Hi Tim. No chain, just a PTO shaft from tractor to post hole digger. After un-stuck I continued to bore several more holes very smoothly, as if nothing was wrong.

  4. #4
    Veteran Member
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    HayDR's Avatar
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    Oct 2002
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    1,884
    Location
    Johnson City, TN
    Tractor
    JD 2040,2240, 2355, 2755, 4055

    Default Re: Help to ID pin clutch, Rhino HPHD

    Rhino PHD Yes you have a radial pin clutch, it is an option for that digger. When the clutch slipps it sounds like a machine gun going off.

  5. #5

    Join Date
    Jun 2002
    Posts
    873
    Location
    N Central Ohio
    Tractor
    NH TC35D/SUPER H&M/F-20/JD B&D/FORDSON/JD250 SSL

    Default Re: Help to ID pin clutch, Rhino HPHD

    I saw the HPHD (hydraulic post hole digger).
    So u have a PHD, that makes a big difference.

  6. #6
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    Sep 2005
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    Default Re: Help to ID pin clutch, Rhino HPHD

    CCI- Thanks, your photo is exactly what I've got on mt PTO connection to tractor. My lucky day I guess, since I bet the pin clutch is an extra $$ option.

    Tim - Sorry for the confusion. On second review I can see how HPHD would logically stand for hydraulic. I was just reading the letters Rhino put on the side of the unit. I think HPHD stands for heavy duty post hole digger.

    Thanks again!!

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