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  1. #1

    Default Aftermarket loader hyd. connections

    I have a JD4500. No hydraulics or SCV. Dual SCV kit or components for JD 400x are NLA. No longer available.

    I have a manifold block on the PTO valve where the SCV would normally be. A J-tube connects manifold valve to Rockshaft housing.

    To connect an aftermarket loader can I remove J-tube and connect Press. In to manifold and the Press. out to rockshaft housing? Is a drain to sump required?

    Or would a Power Beyond kit work better providing I can find one for this model?

    Any help would be appreciated. My local dealer has not be helpful at all in getting a JD loader on or with connecting an after market loader.

    Blue

  2. #2
    Advertiser kennyd's Avatar
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    Default Re: Aftermarket loader hyd. connections

    Welcome to TBN

    There are several company's that make loaders that should fit your machine, and they will include the needed hydraulics to make them work.

    Bushhog
    Woods
    Koyker
    Westendorf
    Quicke
    KennyD
    www.boltonhooks.com



    Bolt On Grab Hooks, Weld On Grab Hooks, Specialty Chain Accessories, Specialty Hydraulic Components.

    Simple JDParts Tutorial HERE

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  3. #3

    Default Re: Aftermarket loader hyd. connections

    Yes, I'm considering a Westendorf. Comes w/ Hydraulics. My question is on how best to connect their hyd. to tractor. Connect where J-tube is or install power beyond kit and connect there? Or is there a better way?

    Thanks!

    Blue

  4. #4
    Advertiser kennyd's Avatar
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    John Deere 4110, 455

    Default Re: Aftermarket loader hyd. connections

    I cannot find this "j-tube" in jdparts...But the PB lines could certainly be used. I am sure Westendorf already has it figured out on how to hook it up, or are they leaving that to you?
    KennyD
    www.boltonhooks.com



    Bolt On Grab Hooks, Weld On Grab Hooks, Specialty Chain Accessories, Specialty Hydraulic Components.

    Simple JDParts Tutorial HERE

    Visit our YouTube Channel

  5. #5

    Default Re: Aftermarket loader hyd. connections

    They leave that to purchaser. Although they have kind of agreed w/ my idea on how to connect. Of course, they are selling me the loader. I have worked on cars, trucks boats, and aircraft weapons system. I know how the parts of the tractor work together. But admit I'm not an expert on tractors. I need some expert advice on what I think would work.

    I'm going to try and attach some jpg images. I have a word doc showing what I have. I can e-mail if you like.
    Attached Thumbnails Attached Thumbnails -j-tube-jpg   -manifold-jpg   -pto-valve-jpg  

  6. #6

    Default Re: Aftermarket loader hyd. connections

    My tractor has the manifold mounted on top of the PTO valve where the SCV valve would be. J-tube connects to left port on manifold and rockshaft housing.

    Can I remove J-tube and attach loader lines. Or would it be better to install the Power beyond kit if I can find one. JD said it is about $400 if they can get it.
    Attached Thumbnails Attached Thumbnails -power-beyond-jpg  

  7. #7
    Advertiser kennyd's Avatar
    Join Date
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    Default Re: Aftermarket loader hyd. connections

    Thanks for the pics. Removing the j-tube will work fine in your case. The ports are probably ORB style, you can use this chart to help identify them: Fluid Port Size Charts > Discount Hydraulic Hose.com
    KennyD
    www.boltonhooks.com



    Bolt On Grab Hooks, Weld On Grab Hooks, Specialty Chain Accessories, Specialty Hydraulic Components.

    Simple JDParts Tutorial HERE

    Visit our YouTube Channel

  8. #8

    Default Re: Aftermarket loader hyd. connections

    Thanks! I feel much better now. I think they told me there lines came w/ 3/8 NPT. I'm thinking a can just procure adapters to fit ports.

    Also, I think their valve can be configured to open center or closed. If it is configured to open center then return to sump is not required?

    Attached is their 2 spool valve. I'm actually getting the 3-spool for a third function.

    Blue
    Attached Thumbnails Attached Thumbnails -west-valve-jpg  

  9. #9
    Advertiser kennyd's Avatar
    Join Date
    Jul 2003
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    11,863
    Location
    Westminster, MD
    Tractor
    John Deere 4110, 455

    Default Re: Aftermarket loader hyd. connections

    In your setup, you need Open Center, no PB adapter unless you can find a blank port to the tank.
    KennyD
    www.boltonhooks.com



    Bolt On Grab Hooks, Weld On Grab Hooks, Specialty Chain Accessories, Specialty Hydraulic Components.

    Simple JDParts Tutorial HERE

    Visit our YouTube Channel

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