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  1. #1
    New Member
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    Dec 2012
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    15
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    Pa
    Tractor
    Kubota M7040

    Default Hydraulic shuttle question

    Several guys on this forum have remarked that on their tractors with hydraulic shuttle, they rarely use the foot clutch to switch directions anymore. I have a kubota M7040 w/ hydraulic shuttle, and while I like being able to move from forward to reverse without coming to a stop, I almost always use the clutch. Most of the time I am working at higher RPMs, and using the shuttle without clutching results in whiplash. It also doesn't seem that great for the tractor to move from forward to reverse so suddenly. What am I doing wrong here?

  2. #2
    Super Star Member
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    Mar 2009
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    16,058
    Location
    Missouri
    Tractor
    Kubota, John Deere, Case, Massey Ferguson, Ford

    Default Re: Hydraulic shuttle question

    I use the clutch on the forward/revere hand lever just like the foot clutch, traveling at anything other than very slow speed and changing direction will result in whiplash no matter how you choose to clutch it. We use ours mostly for brush/grass cutting with a Woods 10 foot rotary cutter and keep the RPM at 540 PTO and used properly, we get no whiplash.
    Thread on helpful tractor abbreviations: http://www.tractorbynet.com/forums/o...-acronyms.html

  3. #3
    Elite Member Baby Grand's Avatar
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    Nov 2007
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    3,507
    Location
    Windsor, CT.
    Tractor
    L3240GST, B2320HST, B5100D & G5200H

    Default Re: Hydraulic shuttle question

    Here's what works for me with a GST transmission:

    For slow ground speed operation with revs kept high by setting the hand throttle:
    1) Shift shuttle to N.
    2) Use brake pedal to stop tractor.
    3) Shift shuttle to fwd or rev.

    For any ground speed greater than slow (subjective), I shut the throttle lever down and use the foot throttle.
    1) Shift shuttle to N.
    2) Drop revs.
    3) Use brake pedal to stop tractor.
    4) Shift shuttle to fwd or rev.
    5) Raise the revs as needed.

    I never reverse directions without pausing in N before making the direction change shift.
    That's the problem with trouble.
    It always starts out as such fun."
    - Randall Brown

  4. #4
    Elite Member
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    Dec 2007
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    3,023
    Location
    texas
    Tractor
    7040 HDC 1153 fel

    Default Re: Hydraulic shuttle question

    i usually run at 1500rpms so i dont use the clutch that much if any going from farward to reverse.now if im running at a higher rpms then ill use the clutch.

  5. #5
    Elite Member Tx Jim's Avatar
    Join Date
    Jan 2007
    Posts
    4,259
    Location
    Coyote Flats,Tx
    Tractor
    JD 4255/Kubota M7040 HDC

    Default Re: Hydraulic shuttle question

    This is a quote from my M7040 operators manual(page #22) under heading of hyd shuttle shift lever.

    This shifting does not require clutch operation

    Important: The hyd shuttle lever may be shifted while the tractor is moving slowly.

  6. #6
    Veteran Member oosik's Avatar
    Join Date
    Aug 2012
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    1,119
    Location
    AMBER, WA
    Tractor
    Kubota M6040

    Default Re: Hydraulic shuttle question

    I'm still used to twenty five years with a manual transmission. I use the clutch - force of habit. Sometimes I'll remember and only use the F/R hyd shuttle lever - usually when I'm doing FEL activity.

  7. #7
    Elite Member TomSeller's Avatar
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    Jan 2013
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    timbuktu
    Tractor
    Many

    Default

    Quote Originally Posted by Baby Grand View Post
    I never reverse directions without pausing in N before making the direction change shift.
    Exactly how I do it. I don't use the brake unless going really fast and when going fast, seldom do I switch directions. Most forward to backward shifts are at slow speeds anyway, so the pause between works perfect. It allows the tractor to stop on it's own.

  8. #8
    Super Star Member
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    Mar 2009
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    16,058
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    Missouri
    Tractor
    Kubota, John Deere, Case, Massey Ferguson, Ford

    Default Re: Hydraulic shuttle question

    Quote Originally Posted by oosik View Post
    I'm still used to twenty five years with a manual transmission. I use the clutch - force of habit. Sometimes I'll remember and only use the F/R hyd shuttle lever - usually when I'm doing FEL activity.
    It took me several months to stop using the foot clutch, same for my sons. We went from quite a few years with a synchronized-shuttle shift Case and before that non shuttle shift tractors.
    Thread on helpful tractor abbreviations: http://www.tractorbynet.com/forums/o...-acronyms.html

  9. #9
    Elite Member
    Join Date
    Dec 2007
    Posts
    3,023
    Location
    texas
    Tractor
    7040 HDC 1153 fel

    Default Re: Hydraulic shuttle question

    the hard thing about the hydro shift is when you have 3 people with differant ideas an ways of operating the hydro shuttle.as most know here i had a buddy of mine show me all the tricks to running the hydro shuttle.then i adjusted those tricks to the way i do things.then my brother has his way of running the shuttle.an he trys to tell me his RIGHT way of running it.so i just try to run it my way when i can.

  10. #10
    Veteran Member JerryK's Avatar
    Join Date
    Feb 2004
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    1,281
    Location
    Vanderbilt, Michigan, USeh?
    Tractor
    Mahindra 5035, JD 2240, 420

    Default Re: Hydraulic shuttle question

    I don't know how your M7040 works, buy my old John Deere reverser is used in conjunction with the foot throttle. While you can set the hand throttle to a ' certain ' RPM and use the hand reverser lever to change direction, even using the clutch... You usually run the tractor at that ' certain ' RPM with the foot throttle, let up on the foot throttle to idle, reverse direction at near idle, then press back on the foot throttle back up to RPM as you go in the new direction. That's how I was taught when I was little.. If you listen to heavy equipment operators, thats how they change direction too...

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