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  1. #1
    Gold Member dntfxr's Avatar
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    Deere 2040,Ford 3610, Kubota b7100, Komatsu D20P-6

    Default Adding a loader, where/how can I tap into hydraulics?

    The tractor is my 76 JD2040 which is open center. I'm going to put a used loader on it and I'd like to mount the valve on the loader so I'll only have two lines going to the tractor. If possible I'd like to put quick connects so I can remove the loader if I need to. Anyone familiar with how/where to connect in? Thanks for any help
    '76 John Deere 2040 -mowing tractor
    '83 Ford 3610 -loader tractor
    '94 Kubota B7100 mfwd HST -garden tractor
    Komatsu D20P-6 -earth mover

  2. #2
    Gold Member dntfxr's Avatar
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    Deere 2040,Ford 3610, Kubota b7100, Komatsu D20P-6

    Default

    Alright so I've been researching this and I've discovered that deere offered a hydraulic filter cover with a return port built in. Mine doesn't have this port but I've located one online. Would this be the best way to return the fluid? I'll check in my repair manual and see if there are any ports on the case somewhere for the pressure side. Hopefully some of the experienced deere members will see this thread and give me a push in the right direction. Any help is appreciated
    '76 John Deere 2040 -mowing tractor
    '83 Ford 3610 -loader tractor
    '94 Kubota B7100 mfwd HST -garden tractor
    Komatsu D20P-6 -earth mover

  3. #3
    J_J
    J_J is online now
    Super Star Member J_J's Avatar
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    Power-Trac 1445, KUBOTA B-9200HST

    Default Re: Adding a loader, where/how can I tap into hydraulics?

    When you install the loader, you will probably have three hoses from the loader.

    INPUT hose

    OUT hose

    PB hose.

    When you remove the loader, you connect the INPUT hose to the PB hose, and that restores the series flow from pump to the rest of the hyd. Plug the RETURN hose to the loader.

    Hydraulics:
    Type: open center (early)
    closed center (late)
    Capacity: 7.9 gal [29.9 L]
    Valves: 1
    Pump flow: 13.5 gpm [51.1 lpm]
    J.J.

    When I works, I works hard. When I sits and thinks, I goes to sleep.

    Git er done.

  4. #4
    Elite Member Tx Jim's Avatar
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    JD 4255/Kubota M7040 HDC

    Default Re: Adding a loader, where/how can I tap into hydraulics?

    Quote Originally Posted by dntfxr View Post
    Alright so I've been researching this and I've discovered that deere offered a hydraulic filter cover with a return port built in. Mine doesn't have this port but I've located one online.
    Here's a schematic of the way JD plumbed the loader hyd valve on an open-center system. A ported filter cover isn't needed on an OC system but is required on a CC system. The manifold(parts key #28) is still available from JD.
    W21205 MANIFOLD ADD 283.93 USD
    Attached Thumbnails Attached Thumbnails Adding a loader, where/how can I tap into hydraulics?-wp1704_________un01jan94.gif  

  5. #5
    Gold Member dntfxr's Avatar
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    Deere 2040,Ford 3610, Kubota b7100, Komatsu D20P-6

    Default

    Awesome thanks guys. Just to be clear, in the schematic, which part is the manifold?
    '76 John Deere 2040 -mowing tractor
    '83 Ford 3610 -loader tractor
    '94 Kubota B7100 mfwd HST -garden tractor
    Komatsu D20P-6 -earth mover

  6. #6
    Elite Member Tx Jim's Avatar
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    Coyote Flats,Tx
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    JD 4255/Kubota M7040 HDC

    Default Re: Adding a loader, where/how can I tap into hydraulics?

    Parts key # 17 in this photo.
    Attached Thumbnails Attached Thumbnails Adding a loader, where/how can I tap into hydraulics?-capture.jpg  

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