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John Deere Tractors Discussion Forum

1968 JD 4020 Front Wheel Pigeon Toed

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BR Rittiner

07-19-2004 06:28:40

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Greetings from the Cross Timbers -near Ft Worth,

Wide set front wheels, 'old style' 4020 with 3 pt lever in the left side of the dash.

While volunteer mowing the Grapevine Lake horse trails, I hit a tree (hidden in briars and 3" locust thorns).

This caused one of the front wheels to 'pigeon toe' out.

Removing the 'top' steering 1 1/8" bolt on the vertical wheel spindle - there is only adjustment every 60 degrees.

Now the wheel is 'cockeyed' out too far.

Please help advise with this vexing problem with the beloved 4020.

In the past I have been able to 'hit a tree' with the wheel in the opposite direction to correct, but am reluctant to put this old girl (5,950 hours) through such rough treatment.

Any ideas would be appreciated.

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Jason Z in MO

07-19-2004 08:22:51

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Re: 1968 JD 4020 Front Wheel Pigeon Toed in reply to BR Rittiner, 07-19-2004 06:28:40

I wonder if the inner tie rod end stripped its threads; there is a clamp that squeezes the threads of the tube to the theads on the tie rod. The outer tie rod should have bolts pinning it into place. I would measure the length from the inner to outer tie rod and compare it to the opposite side. Should be the same or very close. (as long as the adjustable wide front is set the same left and right from the centerline of the tractor)

Hope this helps,

Jason

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07-19-2004 07:16:55

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Re: 1968 JD 4020 Front Wheel Pigeon Toed in reply to BR Rittiner, 07-19-2004 06:28:40

You twisted the spindle. I never had much luck getting them straight. Try lenthening the tierod on the twisted side.

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msb

07-19-2004 08:45:31

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Re: Re: 1968 JD 4020 Front Wheel Pigeon Toed in reply to ET, 07-19-2004 07:16:55

Look at the bottom of the spindle where it is welded.I'll bet you will find the weld is broken.Nothing to do but buy a replacement spindle.Those spindles were pressed together under several tons of force before they were welded.I also have tried to fix them.Don't waste your time.

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BR Rittiner

07-20-2004 13:17:53

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Re: Re: Re: 1968 JD 4020 Front Wheel Pigeon Toed in reply to msb, 07-19-2004 08:45:31

I checked the spindle weld....it is cracked. You are 100% correct.

In the past I have 'bounced' the wheel on a tree to straighten. (This is a very difficult procedure as you have to hit a tree pretty hard with the entire tractor to straighten)

If I can straighten it out again...does it make sense to take off the spindle and have it welded?

This entire assembly has got to be very expensive ($400+?).

Has anyone tried to get the straightened spindle re-welded?

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