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  1. #1
    Veteran Member
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    Kubota L3130HST w/LA723 loader

    Default Thumb for BL4690B backhoe

    I have made a commitment for a used BL4690B backhoe. Any suggestions as to what thumb to get for it and where. Only need a mechanical one.

    Vernon
    Kubota L3130HST, BL4690B backhoe, LA723 Loader w/QA, 6' BB, 6' Bush Hog, 5' RB, PHD, ATI grapple, Hy-Reach Tree Shear, toothbar, pallet forks, grubbin bucket.

  2. #2
    Super Member ronjhall's Avatar
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    SE Michigan, TX when its cold in MI.
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    Kubota 2910 HST

    Default Re: Thumb for BL4690B backhoe

    No I do not. But will be watching this thread for into on how to put one on my 4690.


  3. #3
    Veteran Member Carl_NH's Avatar
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    01 Kubota B21TLB, 2010 Ferris 52" ZTR, Cub Cadet 1811, Gravely Super8

    Default Re: Thumb for BL4690B backhoe

    I dont have the 4690 but a B21 which is similar in size and frame - I have the bolt on Brotek thumb I got in 2004 I think. I had to upgrade to the 1" pins (Cat 2) and HD setup from the 3/4" Cat 1 as I bent the conecting (an old top link). So Richard sent me new parts and plates and its OK but has some side to side play due to the design.

    It works OK but if I were to do it again I would get a unit like Michigan Iron Equipment shown here Hound Dog Backhoe Thumbs

    They have a 6" gripping area and look more stable when clamping. Here is a shot of mine installed.

    Carl
    Attached Thumbnails Attached Thumbnails -kubota-left-pic-jpg   -kubota-thumb-jpg  
    Kubota B21TLB, Ferris IS2000, Cub Cadet 1811

  4. #4
    Veteran Member rbarker's Avatar
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    Massachusetts
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    BX 25

    Default

    Quote Originally Posted by Carl_NH View Post

    It works OK but if I were to do it again I would get a unit like Michigan Iron Equipment shown here Hound Dog Backhoe Thumbs


    Carl
    I have what looks to be the identical thumb to what you linked to only mine was purchased from Extreme Metal Products. Here is a link.

    http://www.extrememetalproducts.com/...0aa35f713446d6

    I have been happy with mine and it seems really rugged. I don't have any experience with the Brotek version though.

    Sent from my iPad using TractorByNet
    Bob B.

    Kubota BX25, FEL, 60" MMM, Curtis cab with heat
    Kubota BX2750D snow blower, 5' Estate rake, 5' rear blade

  5. #5
    Veteran Member
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    Default Re: Thumb for BL4690B backhoe

    Well the backhoe came late yesterday afternoon which was dark and misty. We unloaded it using my forks and short chains without problem. Paid a little over $3000.00 which I figured was a very good deal. It was presented as having less than 20 hours use but I think less than that as there was quite a bit of original paint still on the bucket. Original purchase was in 2007 and it is in good condition except for weathering.

    I will make some measurements of the dipperstick this afternoon to be sure any thumb I select will fit.

    Got to get busy and install the heavy duty top link bracket on my tractor, also find a downloadable copy of the parts list for this hoe.

    Later
    Vernon
    Kubota L3130HST, BL4690B backhoe, LA723 Loader w/QA, 6' BB, 6' Bush Hog, 5' RB, PHD, ATI grapple, Hy-Reach Tree Shear, toothbar, pallet forks, grubbin bucket.

  6. #6
    Elite Member
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    Northwest, WA

    Default Re: Thumb for BL4690B backhoe

    I went with a Rankin thumb on mine, works OK.

    (( Pics in my PB below ))
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    My Photobucket

  7. #7
    Veteran Member Carl_NH's Avatar
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    01 Kubota B21TLB, 2010 Ferris 52" ZTR, Cub Cadet 1811, Gravely Super8

    Default Re: Thumb for BL4690B backhoe

    Vernon,

    You got a very good deal for $3K - heres a basic parts manual..

    http://www.google.com/url?sa=t&rct=j...D19BnVTGkCGL8g
    Kubota B21TLB, Ferris IS2000, Cub Cadet 1811

  8. #8
    Veteran Member
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    Default Re: Thumb for BL4690B backhoe

    Carl

    Thanks, that is a big help. Now I have to decide whether I will ever have the need to add hydraulic operation to the thumb.

    Vernon

    Quote Originally Posted by Carl_NH View Post
    Vernon,

    You got a very good deal for $3K - heres a basic parts manual..

    http://www.google.com/url?sa=t&rct=j...D19BnVTGkCGL8g
    Kubota L3130HST, BL4690B backhoe, LA723 Loader w/QA, 6' BB, 6' Bush Hog, 5' RB, PHD, ATI grapple, Hy-Reach Tree Shear, toothbar, pallet forks, grubbin bucket.

  9. #9
    Veteran Member bandit67's Avatar
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    Foothills, Colorado
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    B3000 HSDCC

    Default Re: Thumb for BL4690B backhoe

    I'd recommend either the Extreme Metal Products or the Hound Dog because of the design. I bought a Bro-Tek for my BH75 back in 08 or 09, and hated it. Fortunately, got it sold after a couple months use. There was WAY too much side-to-side play on that thing. I hated it so much, I decided to do without until I was ready to buy something like the other 2 I mentioned. Was pretty well set on the EMP thumb, but never got around to buying it before I traded.

    Now I have the kubota thumb on my new BH77.
    2012 Kubota B3000, block heater, filled rears, rear wheel spacers, fender extensions, LA403 w/60" bucket, BH77 w/12" bucket & mechanical thumb, Kubota pin-type QA, Kubota forks, Caroni TM1600 flail, Buhler Allied YC6010 3pt blower, Meyer 72" FEL mounted plow, Midwest LR2072 rake



    Previous machines:

    2008 Kubota B3030 (Open Station), LA403, BH75, 4 - 55w halogen front & rear ROPS mounted worklights with L39 dash switches
    2004 Case NH DX24E Subcompact

    Kubotas from Barlow's

  10. #10
    Veteran Member Luremaker's Avatar
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    Ontario
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    Kubota L3130HST & NH TC18

    Default Re: Thumb for BL4690B backhoe

    I've been looking for a thumb for my backhoe and noticed the CDP weld-on thumbs are 25% off right now. They also have kits that you weld up yourself. I have never heard of CDP before but after searching here on TBN I can see that a number of members here have purchased from them. They are also convertible to hydraulic.

    CDP backhoe > backhoes & thumb kits

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