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  1. #1
    Member TwinCam88's Avatar
    Join Date
    Feb 2009
    Posts
    32
    Location
    Bridgeport, WV
    Tractor
    Kubota B3200 HSD

    Default BH77 broke - defective part?

    Well, somehow I managed to break my brand new BH77 the very first time using it. Not sure how as I was just digging the dirt around a stump that I was planning on removing. Thing is, I didn't even start trying to rip the stump out yet...so it wasn't working the hoe very hard. Anyway, as I'm swinging the boom around to dump the bucket, I notice that the pin (about an inch thick) that connects the hydraulic-cylinder to the boom looks like it is hanging out on one side. I stop everything and get off to look, and somehow the pin is broken in half.

    I'm not sure what the terminology is for each component yet. so I hope this makes sense. If not, I've attached a pic and marked the location of the pin that broke.

    I'd appreciate any opinion/advice/wisdom on what I could have done that would have broke this pin (or thoughts on if it could have been defective) ...and of course, what to do to fix it?

    Thanks,
    -Dave
    Attached Images Attached Images
    2011 Kubota B3200 HSD
    LA504 Front Loader w/QA
    BH77 Backhoe w/16" bucket
    RCK60-27BA Mid-Mount Mower
    Loaded R4's, 60" Box Blade

  2. #2
    Veteran Member CHDinCT's Avatar
    Join Date
    Jul 2008
    Posts
    2,355
    Location
    Connecticut
    Tractor
    Kubota BX25

    Default Re: BH77 broke - defective part?

    That pin should last thousands of hours and slowly wear from friction but never crack in half. If this is a new unit, I'd assume a factory defect. Have the dealer replace it under warranty.
    Chris

    2 acres and a mule, er, Kubota BX25, and too many other toys,er, tools to list.

  3. #3
    Platinum Member
    Join Date
    Oct 2009
    Posts
    657
    Location
    Freetown, MA
    Tractor
    BX24

    Default Re: BH77 broke - defective part?

    I beat the snot out of my BH on my little BX and nothing like that has happened. I vote for a defect.
    08 BX24 FEL, BH, 6l0" MMM, Kubota PTO Bagger, BX2750D snow blower with quick hitch

  4. #4
    Platinum Member nspec's Avatar
    Join Date
    Dec 2007
    Posts
    606
    Location
    Southern Rhode Island
    Tractor
    Kubota B2630, '53 Farmall Super H, '47 Farmall AI, '44 Farmall A

    Default Re: BH77 broke - defective part?

    Check out kubota customer satisfaction information site

    If it's not you, someone else has the identical problem.

  5. #5
    Veteran Member Wacky's Avatar
    Join Date
    Apr 2010
    Posts
    1,077
    Location
    West Virginia
    Tractor
    2010 GC2610

    Default Re: BH77 broke - defective part?

    Quote Originally Posted by nspec View Post
    Check out kubota customer satisfaction information site

    If it's not you, someone else has the identical problem.
    Wow, could the pins must be made of some contaminated steel if not the wrong grade all together? I couldn't understand this happening on 2 different units with no hours. If that is not him.
    2010 MF GC2610--MF60"MMM--King Kutter XB 4' rotary cutter-- 4' King Kutter XB boxblade-- Ratchet Rake-- Check that parking brake

  6. #6
    Elite Member wdchyd's Avatar
    Join Date
    Apr 2010
    Posts
    2,701
    Location
    Hooksett, NH
    Tractor
    Kubota B2320

    Default Re: BH77 broke - defective part?

    Quote Originally Posted by nspec View Post
    Check out kubota customer satisfaction information site

    If it's not you, someone else has the identical problem.
    Wow, that's an eye opener.....maybe the tensile strength and/or dia of the pin is not enough for powering both cyls in an actual working situation.....it could happen...

    Something can't be engineered right here.......

    I think I'd be at this real carefull to make sure the cyls and housings are not bent up.....
    2010 Kubota B2320 FEL & BH65
    If it ain't fixed don't broke it!

    http://www.tractorbynet.com/content/...-month-wdchyd/

  7. #7
    Gold Member TroyR57's Avatar
    Join Date
    Nov 2004
    Posts
    405
    Location
    Winnfield Louisiana
    Tractor
    B3200 tlb 149 hrs, Honda Bid Red 2013

    Default Re: BH77 broke - defective part?

    Wow, that should have not broke so soon, but it has two forces on one pin. and the forces are one in the center, and two on the outside, may have been using both boom and dip sick at same time caues it to pinch some how, but like everone eles, that pin should last years. Must be some kinda defect, glad I am getting the BH76a on my B3200 Wednesday. Good luck on geting the pin quickley, so you can get back to playing.
    Honda Big Red MUV
    Honda Fortrax Forman 500
    B3200 TLB
    Land Pride 60 inch BB
    Construction 4 Forks
    60 inch RFM Land Pride
    Land Pride RCR 1860
    Land Pride RTA 1250

  8. #8
    Veteran Member
    Join Date
    Dec 2009
    Posts
    1,895
    Location
    S. W. Virginia
    Tractor
    Kubota B3200, Ford NAA, IH 454D, Case 1845C

    Default Re: BH77 broke - defective part?

    Quote Originally Posted by nspec View Post
    Check out kubota customer satisfaction information site

    If it's not you, someone else has the identical problem.
    I saw that the other day as well, I'm going to keep my eye on this topic before deciding on which backhoe to get.
    Kubota B3200
    Ford NAA Jubilee
    International 454D
    Case 1845C skid steer
    JD 265

  9. #9
    Bronze Member
    Join Date
    Jan 2011
    Posts
    52
    Location
    Louisiana
    Tractor
    Kubota B3300su

    Default Re: BH77 broke - defective part?

    Oh WOW I hope this dosen't happen on my 77. I might change my pin now to an aftermarket one after seeing this crap.

  10. #10
    Member TwinCam88's Avatar
    Join Date
    Feb 2009
    Posts
    32
    Location
    Bridgeport, WV
    Tractor
    Kubota B3200 HSD

    Default

    Quote Originally Posted by nspec
    Check out kubota customer satisfaction information site

    If it's not you, someone else has the identical problem.
    Nope, it definitely wasn't me...this is the first I've posted about this issue as it just happened yesterday. The tractor is new, only has 3 hours on it...and it was the first time using the backhoe.
    2011 Kubota B3200 HSD
    LA504 Front Loader w/QA
    BH77 Backhoe w/16" bucket
    RCK60-27BA Mid-Mount Mower
    Loaded R4's, 60" Box Blade

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