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  1. #1
    New Member
    Join Date
    Mar 2011
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    16
    Tractor
    Kubota M9540HDL

    Default Is my 4WD working?

    I have an '88 Ford 3910 4WD tractor with 964 hrs TT. I work alone all the time and can't tell if the front wheels are pulling or not.

    Today I was backing uphill, on grass, and noticed the rear right tire spinning a little. I had a Caroni flail lowered & floating and was in low reverse. I would have thought the fronts would have been pulling, but don't know if they were or not. They never spun.

    I've got 390 lbs of weights on the front.

    What is a simple way to determine if the front axle is pulling without having to jack-up the whole tractor?

    Thanks

  2. #2
    Platinum Member rmk700's Avatar
    Join Date
    Mar 2011
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    803
    Location
    Utah
    Tractor
    Kubota L35

    Default Re: Is my 4WD working?

    Turn as sharp as you can on asphalt. If it hops/jurks in front it's probably in 4WD. Probably not the safest way to tell though.

  3. #3
    Elite Member dex3361's Avatar
    Join Date
    Aug 2008
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    3,571
    Location
    N. of Charleston WV
    Tractor
    Kubota L4400-1 HST,FEL, 3x3 remotes, TNT. BX1500 54 mmm

    Default Re: Is my 4WD working?

    If you have a FEL you can put the bucket all the way down and lift the front wheels off the ground the back up a little and watch the front wheels to see if they turn with the rears. Or you can jack up the front end and see if they are free turning with the engine off. If it is in 4wd they will not turn freely. The for sure and easiest way is to hook it something and spin the wheels a little use the draw bar on the back while on grass just be acareful it doesn't raise up in the front end.
    Randall



    1Timothy Chapter 2:
    3 For this is good and acceptable in the sight of God our Saviour;
    4 Who will have all men to be saved, and to come unto the knowledge of the truth.
    5 For there is one God, and one mediator between God and men, the man Christ Jesus.
    From: The HOLY BIBLE

  4. #4
    Elite Member kebo's Avatar
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    May 2006
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    2,686
    Location
    Lexington, SC
    Tractor
    2001 John Deere 790 4x4, bar tires

    Default Re: Is my 4WD working?

    Or you could go find a creek/ big mudhole to play in and see if you can get it stuck, then watch and see if the fronts turn!!!

    Really though, the first two suggestions should tell you but another one would be to find some loose dirt or gravel near a big tree, and chain the drawbar to the tree. Ease the clutch out with a little throttle and you should see the front tires try to turn some. If not, make sure it's in 4x4 mode. If they still don't turn, time to jack up all four tires and block it up safely so you can figure what's going on with it.
    Nothing could be finer than riding my JD790 in South Carolina!!

    2001 John Deere 790 4x4 with Model 70 FEL, 5ft International World Agritech bush hog, 5ft Wallberg BB, 5ft Frontier disc harrow, 5ft King Kutter II Rototiller, 5 1/2ft Cultipacker, 5ft Sitrex finish mower, Leinbach PHD with 9" & 12" augers, Leinbach middlebuster, Leinbach #11 Field Cultivator, custom 3pt handi-hitch, clamp on bucket forks, Pat's Easy Change.

    It's not how slow you mow... it's how well you mow slow!!

  5. #5
    Super Star Member TripleR's Avatar
    Join Date
    Mar 2009
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    18,055
    Location
    Missouri
    Tractor
    Kubota M8540HDC, L5740HSTC, BX2200, BX2660, John Deere 425&1025R, Case, Massey Ferguson, Ford

    Default Re: Is my 4WD working?

    If one of your rear tires are spinning, one of your front tires should also be spinning or at least that is how all of ours work kubota, MF, John Deere and Case.

  6. #6
    Epic Contributor k0ua's Avatar
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    Jun 2009
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    22,501
    Location
    Branson, Mo.
    Tractor
    Kioti DK35se Hydrostat

    Default Re: Is my 4WD working?

    Another way to get stuck pretty easily without a lot of stress on your tractor is you have a shallow ditch you can cross at a sharp angle. Go gently into the ditch and calculate the angle to place say your right front and left rear tires in the ditch at the same time. Your left front and right rear tires will be on solid ground and your right front and left rear with have air under them. Then see if your right front tire is spinning in the air along with your left rear. If so then your MFWD is probably working OK. To get unstuck just stop spinning, and engage your differential lock, apply a little power and you should be unstuck, if need be use your loader bucket to push yourself backward. I am thinking though that if you saw one of the rears spinning and did not see one of the fronts spinning too, then your MFWD is not engaged or broken in some way.

    James K0UA
    James KUA

    Kioti DK35se hydrostat with 2 QA buckets, 48 inch. King Kutter Rotary Cutter. 750 lbs ballast box. Loaded tires, Construction Attachments SSQA Lightweight Pallet forks. EA 50 inch single lid "wicked" Grapple. Satisfied Everlast PA160 welder owner How to add a link to a post . Best way to search TBN


  7. #7
    Super Member blueriver's Avatar
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    Oct 2007
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    5,000
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    S.E.Oklahoma
    Tractor
    JD 5520 Montana 4340 Farmall Super A Montana 5720C

    Default Re: Is my 4WD working?

    Just put the front bucket against a non moveable object ... a tree ... use low gear and watch the front tires.
    "Throwing a rock at every rabbit that jumps"

    sales@caneyagequipment.com

  8. #8
    Epic Contributor RoyJackson's Avatar
    Join Date
    Nov 2001
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    20,463
    Location
    Bethel, Vermont
    Tractor
    John Deere 4520 MFWD, Deere 855D UTV, Z920A Zero Turn Mower and assorted implements

    Default Re: Is my 4WD working?

    Quote Originally Posted by dex3361 View Post
    If you have a FEL you can put the bucket all the way down and lift the front wheels off the ground the back up a little and watch the front wheels to see if they turn with the rears.
    If you use this method, and the fronts do turn...stop before you lower those front tires. There have been posts suggesting that this may stress the front axle (primarily on Deere 790's, BTW). Although there is no solid data to support those posts, no use trying to become a statistic.
    Roy Jackson

    "Any government that does not trust its citizens with firearms is either a tyranny, or planning to become one."
    -Joseph P. Martino

  9. #9
    Platinum Member
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    Apr 2010
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    975

    Default Re: Is my 4WD working?

    Quote Originally Posted by kebo View Post
    Really though, the first two suggestions should tell you but another one would be to find some loose dirt or gravel near a big tree, and chain the drawbar to the tree. Ease the clutch out with a little throttle and you should see the front tires try to turn some. If not, make sure it's in 4x4 mode. If they still don't turn, time to jack up all four tires and block it up safely so you can figure what's going on with it.
    That's a VERY risky action. It's a great way for an open station tractor to flip over and squish the operator.

    It's better to just bite the bullet and jack the machine up. You're going to have to anyway to fix the 4wd. (at least if it were mine, I'd find it was broke)

  10. #10
    Gold Member brewdog's Avatar
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    Dec 2005
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    401
    Location
    NW PA
    Tractor
    NH 3040

    Default Re: Is my 4WD working?

    Quote Originally Posted by blueriver View Post
    Just put the front bucket against a non moveable object ... a tree ... use low gear and watch the front tires.
    i totally agree with blue river, I've done the exact same thing when I was in doubt. A large tree stump works nicely and you don't mind a couple spin marks in the grass.

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