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  1. #121
    Gold Member locknut's Avatar
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    Jul 2006
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    411
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    Greensburg Indiana

    Default Re: 4X4 downhill traction issue

    Made some progress this week on the brake project.Dropped the tractor off at the local ATV dealer so they could help me figure out the best type fittings and order correct length brake lines.A buddy at work worked on truing up the discs on the brake lathe as they wobbled a bit(took the discs off and trued the spacer rings) and were slightly out of orbit on the roll.I made the caliper brackets from some 4" by 1/4" thick angle iron I already had.Only took me 10hrs to make them and get them painted The first pic is shot from the rear of the left front wheel.




  2. #122
    Veteran Member
    Join Date
    Oct 2005
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    1,183
    Location
    New Hampshire, USA
    Tractor
    Kubota B6100

    Default Re: 4X4 downhill traction issue

    Now that's what I'm talking about. I'm curious to see how you rig up the master cylinder and if you use the same brake pedal. This thing may stand on it's nose.
    Mike
    B6100 w/ power steering - link below
    http://www.tractorbynet.com/forums/k...has-power.html

  3. #123
    Silver Member JWR's Avatar
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    Apr 2011
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    149
    Location
    So MD
    Tractor
    MF 2660 LP, Kubota B2150, Kubota BX2200, MH Pacer, Gravely 5660, etc.

    Default Re: 4X4 downhill traction issue

    Neat project and looks good. I don't know what the connectivity is between the front and rear wheels on your machine. If it is solid (as opposed to some sort of fluid) then the brakes you apply on the front wheels will also brake the rear wheels while you are in 4wd through the drivetrain. That works in spades on large farm tractors. At some point I begin to wonder if you are investing too much in a small machine , but then we all have our hobbies and ... hey looks like a workin' machine !
    jwr
    ------------------------------------------------------
    MF2660 LowProfile, 7'BushHog, Orsi Articulated boom hydraulic rotary cutter, Landpride 6' finish mower, Kubota BX2200, Kubota B2150, 5' snowblower, 6' blade, scraper box, Gravely 1983 w/sulky, mower and snow blower, misc. attachments. Pequea 1018 deckover trailer, half interest in Massey Harris Pacer family heirloom... and a lot of junk...

  4. #124
    Silver Member
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    Oct 2007
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    209

    Default Re: 4X4 downhill traction issue

    As usual Locknut.....impressive work....

  5. #125
    Gold Member locknut's Avatar
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    Jul 2006
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    411
    Location
    Greensburg Indiana

    Default Re: 4X4 downhill traction issue

    Quote Originally Posted by KubotainNH View Post
    Now that's what I'm talking about. I'm curious to see how you rig up the master cylinder and if you use the same brake pedal. This thing may stand on it's nose.
    The cylinder has two line outputs,one for each caliper.It will be actuated with a hand lever,yet to be fabricated.Not knowing how much torsional twisting force the axle housing will take,I will not be trying to stand this thing on its nose.


  6. #126
    Gold Member locknut's Avatar
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    Jul 2006
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    411
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    Greensburg Indiana

    Default Re: 4X4 downhill traction issue

    Quote Originally Posted by JWR View Post
    Neat project and looks good. I don't know what the connectivity is between the front and rear wheels on your machine. If it is solid (as opposed to some sort of fluid) then the brakes you apply on the front wheels will also brake the rear wheels while you are in 4wd through the drivetrain. That works in spades on large farm tractors. At some point I begin to wonder if you are investing too much in a small machine , but then we all have our hobbies and ... hey looks like a workin' machine !
    Yea,that's the problem,there is no mechanical link between the two axles as the front is hydraulically driven and has very little holding resistance.And yes,it's a fairly expensive project but the consequences of a runaway tractor downhill can be much more costly.

  7. #127
    Gold Member locknut's Avatar
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    Jul 2006
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    411
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    Greensburg Indiana

    Default Re: 4X4 downhill traction issue

    Quote Originally Posted by csr0831 View Post
    As usual Locknut.....impressive work....
    Thanks Chris.Where there's a will,there's a way.Hope it works as planned.

  8. #128
    Platinum Member bubbacuse77's Avatar
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    Jul 2008
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    541
    Location
    Wisconsin
    Tractor
    John Deere 3520, John Deere X749

    Default Re: 4X4 downhill traction issue

    Outstanding work. I love to see guys overcoming problems with their own ingenuity.

  9. #129
    Super Member 94BULLITT's Avatar
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    Feb 2011
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    7,409
    Location
    Frederick County, VA
    Tractor
    Kubota BX2360 & L4240 HSTC

    Default Re: 4X4 downhill traction issue

    Quote Originally Posted by locknut View Post

    Nice progress.

    Your brake caliper is on the wrong side.

  10. #130
    Gold Member locknut's Avatar
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    Greensburg Indiana

    Default Re: 4X4 downhill traction issue

    Quote Originally Posted by 94BULLITT View Post
    Nice progress.

    Your brake caliper is on the wrong side.
    You mean the bleeder screw on the bottom? I can still bleed em out and after the air is out it won't make any difference.Or,I'll check tonite to see if they will swap sides.
    Last edited by locknut; 07-17-2013 at 11:25 AM.

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