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  1. #1
    New Member
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    Dec 2012
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    Toronto, Ontario
    Tractor
    Ford 4000

    Default Ford 4000..........diff lock?

    Read on the forums the Ford 400 has a diff lock..................Where is the location and how do you operate it?

    My traqctor I think is a 1971 Ford 4000 3 cylinder gas, appears to be an industrial, with a class II hitch, front loader with from PTO pump.

    1/2" of snow in the driveway aqnd I am getting stuck in reverse with just one wheel spinning.............I even have a few loops of chain around the tire.

  2. #2
    Member
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    Nov 2012
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    35
    Location
    Norman, OK
    Tractor
    Ford 8N

    Default Re: Ford 4000..........diff lock?

    The differential lock on the 4000 is the pedal on the left (brake pedals) side, under the seat. It points forward from the rear axle and sits low, parallel to and just over the running board.

    Edit: Oops--that should say right side. You step on it with your right heel.
    Last edited by SoonerLS; 12-02-2012 at 12:05 AM.

  3. #3
    New Member
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    Dec 2012
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    Toronto, Ontario
    Tractor
    Ford 4000

    Default Re: Ford 4000..........diff lock?

    Quote Originally Posted by SoonerLS View Post
    The differential lock on the 4000 is the pedal on the left (brake pedals) side, under the seat. It points forward from the rear axle and sits low, parallel to and just over the running board.
    I will have to take a look I don't recal seeing it.
    Do you have to keep foot pressure on ot for it to be locked?

  4. #4
    Member
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    Nov 2012
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    35
    Location
    Norman, OK
    Tractor
    Ford 8N

    Default Re: Ford 4000..........diff lock?

    Quote Originally Posted by Toronto Turbo View Post
    I will have to take a look I don't recal seeing it.
    Do you have to keep foot pressure on ot for it to be locked?
    It's set up for heel operation, so I would guess so, but I've never had occasion to try it. The tractor is my dad's, and the only meaningful time I've spent in the seat has been while haying--and a flat field in a drought just doesn't give you much need for locking the diff...

  5. #5
    Member
    Join Date
    Nov 2012
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    35
    Location
    Norman, OK
    Tractor
    Ford 8N

    Default Re: Ford 4000..........diff lock?

    I found this picture where you can (vaguely) see the end of the pedal:
    -ford_4000_-concouse_restoration_ora_967e-driffield-p8100499-jpg
    If you zoom in on the running board, you can see the brake latch T-handle sticking up through the running board; aft of that, just before the fender obscures the view, you can see the end of the diff lock pedal, where you step on it with your heel. (There's a small strip of white near the pedal; the brake latch T-handle is roughly half-way between the brakes and the diff lock.)
    Every jackass thinks he's got horse sense.
    Never approach a bull from the front, a horse from the rear, or a fool from any direction.
    -- cowboy proverbs

  6. #6
    New Member
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    Dec 2012
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    Toronto, Ontario
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    Ford 4000

    Default Re: Ford 4000..........diff lock?

    Thanks.
    I will have to look next time I am up.
    What else are people doing for more traction?
    Would just some dead weight on the 3 point hitch be a great help?..........I was wondering if it was just the front loader weight on the front causing me to get stuck.
    It sounds like there is water in the wheels so I assume they are weighted.

    Quote Originally Posted by SoonerLS View Post
    I found this picture where you can (vaguely) see the end of the pedal:
    -ford_4000_-concouse_restoration_ora_967e-driffield-p8100499-jpg
    If you zoom in on the running board, you can see the brake latch T-handle sticking up through the running board; aft of that, just before the fender obscures the view, you can see the end of the diff lock pedal, where you step on it with your heel. (There's a small strip of white near the pedal; the brake latch T-handle is roughly half-way between the brakes and the diff lock.)

  7. #7
    Bronze Member HakanTh's Avatar
    Join Date
    Dec 2010
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    61
    Location
    Sweden
    Tractor
    Ford 4000

    Default Re: Ford 4000..........diff lock?

    Quote Originally Posted by Toronto Turbo View Post
    I will have to take a look I don't recal seeing it.
    Do you have to keep foot pressure on ot for it to be locked?
    You engage the lock by pressing the pedal, then release it. The lock disengages itself when both wheels turn equally. Make sure it disengages properly.
    Here is the operator's manual: Scribd
    Check figure 4A on page 8 and instructions on page 13.

    Edit:
    Perhaps your tractor does not have a differential lock. It was optional on some models but seems to have been standard equipment on the industrials (at least 4400)
    You can try braking the wheel that spins, just enough to get the other one turning.
    Last edited by HakanTh; 12-03-2012 at 07:41 AM.

  8. #8
    Epic Contributor Soundguy's Avatar
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    Mar 2002
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    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: Ford 4000..........diff lock?

    yep.. brakes will help traction.. ballasting tires or frame as well. chains if needed..

  9. #9
    New Member
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    Dec 2012
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    Location
    Toronto, Ontario
    Tractor
    Ford 4000

    Default Re: Ford 4000..........diff lock?

    Never thought of braking the spinning tire......will try it.
    Thanks
    for the Manual too!

  10. #10
    New Member NEKVT's Avatar
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    Oct 2012
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    22
    Location
    Glover, VT
    Tractor
    Ford 2000 '67 gas

    Default Re: Ford 4000..........diff lock?

    Having weight on the rear really helps my Ford 2000 plow snow.
    you can get a steel barrel from Craigslist for $10, put a crossbar from Tractor Supply through it.
    ( Watch the height of the cross bar versus the height of you 3 point side links at rest, I got the cross bar a little too low)
    I then put a chain from the cross bar to a chain hook from TSC that was wide enough for a top link.
    and mixed up and added seven 80lb bags of cement
    Watch the height of the toplink attachment for when it pivots off the ground, see pic

    The diff lock doesn't seem to help on my Ford
    Attached Thumbnails Attached Thumbnails -bb-3-jpg   -plowing-snow-jpg  

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