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  1. #1
    Gold Member gumshu's Avatar
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    Kubota M7040, Bobcat CT235, Kubota BX23 TLB & RTV 900

    Default BACKHOE HYDRAULIC QUESTION

    Does anyone have a backhoe attached to a CK35,30 or 25 using the standard selectable A - B rear remote hydraulic connections? I have a Bobcat CT235 (CK35) and my dealer told me that this is the hydraulic configuration for the standard Bobcat (Rhino) backhoe. He also said it's good for Top & Tilt.

    I'm used to one output hose from the tractor, which goes to the input of the hoe... and a return hose from the hoe to the tractor.

    QUESTION:
    If I have "A" selected as the output from the CUT, will the return hose from the hoe connect to the "B" connection on the CUT?

    This is the only thing I can think of, but "A" and "B" are both selectable as output sides.

    Thanks
    Last edited by gumshu; 09-20-2009 at 08:56 PM.
    F350 6.4 Dually, PJ 14K 20', PJ 3.5K

  2. #2
    Gold Member
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    Nov 2008
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    406
    Location
    Western CT
    Tractor
    Kioti 20 HST ancient Rhino traded in

    Default Re: BACKHOE QUESTION

    My understanding is that the A and B lever reverses the flow to the rear implements. I guess some implements run with reverse flow, my backhoe works in the A position. There are several threads on here about what happens if you take the backhoe off and accidentally put the rear hydraulic lever in the on position, either A of B, you can burn out the hydraulic pump.
    ck20 hst - QA KL120B FEL - KB2465 BH W/16"bucket and Thumb, Rear Snow Blower. Post hole digger, Pallet forks, 3pt log splitter.

  3. #3
    Gold Member gumshu's Avatar
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    Atascadero, Ca. & Selma, Or.
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    Kubota M7040, Bobcat CT235, Kubota BX23 TLB & RTV 900

    Default Re: BACKHOE QUESTION

    Quote Originally Posted by Gil Case View Post
    My understanding is that the A and B lever reverses the flow to the rear implements. I guess some implements run with reverse flow, my backhoe works in the A position. There are several threads on here about what happens if you take the backhoe off and accidentally put the rear hydraulic lever in the on position, either A of B, you can burn out the hydraulic pump.
    Thanks Gil. So you connect the "A" connection on the tractor to the input connection on the backhoe and then your output from the backhoe to the "B" connector on the tractor? This is the only way I can think of making this work unless another separate return (from the hoe) to the tractor is required. Thanks aging Gil.
    F350 6.4 Dually, PJ 14K 20', PJ 3.5K

  4. #4
    Veteran Member
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    Mar 2005
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    1,519
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    Erie, Pennsylvania
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    Kioti CK30HST

    Default Re: BACKHOE QUESTION

    Quote Originally Posted by gumshu View Post
    Thanks Gil. So you connect the "A" connection on the tractor to the input connection on the backhoe and then your output from the backhoe to the "B" connector on the tractor? This is the only way I can think of making this work unless another separate return (from the hoe) to the tractor is required. Thanks aging Gil.
    You have it correct as you have written. That's how my Ck30hst with 2375 bh hooks up and works fine. Just remember to put the lever in the middle position when the bh is off or as Gil advised, hyd pump problems due to dead heading the fluid flow.

  5. #5
    Gold Member gumshu's Avatar
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    Atascadero, Ca. & Selma, Or.
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    Kubota M7040, Bobcat CT235, Kubota BX23 TLB & RTV 900

    Default Re: BACKHOE QUESTION

    Quote Originally Posted by VictorW View Post
    You have it correct as you have written. That's how my Ck30hst with 2375 bh hooks up and works fine. Just remember to put the lever in the middle position when the bh is off or as Gil advised, hyd pump problems due to dead heading the fluid flow.
    Thanks Victor. I appreciate the feedback I thought that was how it worked, but wasn't sure if I had to add an additional return line. I thought the two connections could have both been output lines. Thanks again
    F350 6.4 Dually, PJ 14K 20', PJ 3.5K

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