Full hydraulic machine

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Thread: Full hydraulic machine

  1. #1
    Join Date
    Nov 2012
    Location
    Papua New Guinea
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    36

    Full hydraulic machine

    At lunch today my coworkers and I were chatting about making a full hydraulic 6x6 and bypassing the T-20. Anyone ever done this? Our hydraulic mechanic/fabricator figures it would be fairly simple, just put a smallish pump on the gas motor, couple of drive motors and run some lines and valves.

    If anyone has tried I'd like to know the results. I'm thinking it could be a fun project some day.

  2. #2
    Join Date
    Dec 2011
    Location
    Ontario Canada
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    672
    And an oil tank,filter and cooler.
    The pump would need to be at least 20 gpm if you use 2 motors @ 10 gpm each.

  3. #3
    Join Date
    Jun 2007
    Location
    Central NJ
    Posts
    1,470
    Quote Originally Posted by IanPNG View Post
    At lunch today my coworkers and I were chatting about making a full hydraulic 6x6 and bypassing the T-20. Anyone ever done this? Our hydraulic mechanic/fabricator figures it would be fairly simple, just put a smallish pump on the gas motor, couple of drive motors and run some lines and valves.

    If anyone has tried I'd like to know the results. I'm thinking it could be a fun project some day.
    you are going to build anything as efficient and weight and cost effective as a t-20

    There are lots of threads on the subject. As of yet no successes . The only advantage is instant reverse and counter rotation. The t-20 will counter rotate with a split shift but is not instant.
    Acta non verba

  4. #4
    Join Date
    Jan 2012
    Location
    Upstate NY
    Posts
    56
    I would start by looking at some of the full hydro machines you can buy like the terratrack the old tracksters and a couple of the machines that the builders are interviewed in the VIP section.

    I agree about the efficiency but if he is doing oilfield work there may be advantages with reliability that you could give up some efficiency for? Not sure about that but he may be thinking about it because of problems he's having.

    Nick
    Last edited by Trackster; 03-02-2013 at 10:05 PM.

  5. #5
    Join Date
    Nov 2008
    Location
    Binghamton, New York
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    118
    Hydraulic machines are typically slower, heavier, and require larger HP engines than a mechanical drive. Maintenance would be minimal, depending on the final drive design. An oil cooler would be needed, heat thins and breaks down the fluid, and can hurt pumps and motors quickly. A hydraulic machine will give a great amount of control, and almost instant torque.

    There are advantages and disadvantages to any design, you need to choose based on your needs.
    I don't want to go fast, I just want to go anywhere.

  6. #6
    My LTV KID is Hydrostatic drive. If you want I can take some pics and send you.
    It works REAL good. The thing is a tank.

  7. #7
    Join Date
    Dec 2011
    Location
    Ontario Canada
    Posts
    672
    Can you post some pics if the LTV KID hydraulics.
    What size engine is driving the pump?
    And what type of pump is used?
    Is it setup to counter rotate?

    Edit: I checked out the manual and see its a vickers hydrostatic trans.
    Last edited by Bazooo guy; 03-12-2013 at 03:43 AM.

  8. #8
    Join Date
    Jan 2008
    Location
    Novi, Michigan
    Posts
    122
    It's already been done, it's called a MuddOx, see it at MuddOx.net.

  9. #9
    The LTV KID uses a Wisconsin 4 cylinder engine and huge vickers drive units.
    The mud ox is set up the same way. both machines will zero turn

  10. #10
    Here is the setup in the KID
    Attached Images

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