Go Bottom4100 toe-in
 | MichaelSnyder
Join Date: Jun 1999 Posts: 0 
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2000-02-15 12815
To the 4100 owners, I would like to ask if you could post the amount of toe-in your tractors have. I simply used a tape measure, from left inside rim to right inside rim at the center height of the rim in the front, and again in the rear.Mine shows about 2" of toe-in. To me, this seems like quite a bit. I've also asked the dealer, and he too felt it was quite a bit. But then I response from a reader who wasn't able to detect any noticable toe-in.....Hummmm...whats going on here!! Anybody else have scuff rings around their trees, from the outside front tire?? Secondly, what % is normal?? can't imagine this varies greatly by each unit?? Am I over simplifying things?.. I would really appreciate this, and plan to show this post to the JD rep when I meet her this spring..Thanks guys for all your help.
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| Bill
Join Date: Posts: 1
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2000-02-15 12829
Mike, Might I suggest that you have the unit aligned at a shop, and set the toe to zero? It seems to me that I remember a car that I had scrubbed the outside of the tires(think it was a Dodge 400), and the garage set the toe to Zero even though the book said otherwise. Solved the scrubbing problem. A scrubbing problem in an auto tire, is what is being described by you as scuffing of the lawn. Something has got to give, in your case the lawn, and in mine it was the tire, as we all know pavement wins. Anyway, have him also check the steering for being centered, as I stated earlier, if that is off, it will cause this also, but more in one direction of turn than another. By the way, did you ever see that the unit tracks properly? In other words, does one wheel follow the other, or perhaps with the same offset. (don't know if your wheels are the same distance apart, front to rear) Just MHO's, does not mean I am not talking through my butt hole. I do that sometimes! Worth a look though. Bill
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| MichaelSnyder
Join Date: Jun 1999 Posts: 0
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2000-02-15 12833
Bill,
I wish I could take your advice. The tie rod on the 4100 is a solid bar...No adjustments happening there. Actually, I would have adjusted things myself if that was possible. The tractor follows a straight line, drives normal, steers normal and all that good stuff. I agree with you that my problem would either disappear or be significantly reduced if the toe-in could be adjusted to zero, or at least close. I don't consider 2" close. ....
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| Larry in MI.
Join Date: Posts: 1
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2000-02-15 12835
Hey MLS, Larry in MI. here. I will be happy to help in your survey if you give me a little more information. Are you measuring the toe in with the wheels pointed straight forward or turned to one side or the other?? Not sure it would make a difference but it never hurts to ask. Yes I do have rings around the various objects that I mow around with the 4100. ....
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley 
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2000-02-16 12848
I suppose there's a possibility the measurement is off. I checked the repair manual for my Ford 1710. The procedure is below and is far better than what I've used in the past.
1. With wheels straight, drive tractor back and forth several times in a straight line to align the front axle components.
2. Mark the front of each rim at the hub height, and measure the distance.
3. Roll the tractor foreward or back until the marks are in the rear at hub height.
4. Measure the distance and compare to the front measurment. For the 1710, the toe in should be from 0 to 3/16th inch. ....
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| MichaelSnyder
Join Date: Jun 1999 Posts: 0
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2000-02-16 12852
Tom,
Thanks for the tips. Your manual's estimate of toe-in is well within what I'm used too seeing. I guess at a minimum, using a tape measure would be fine. If anyone feels so inclined to do what Tom has said...great. At any rate all measurements should be taken with the wheel parallel to the rear tires. ....
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| Tom Fenelon
Join Date: Posts: 1
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2000-02-16 12864
When I was negotiated to purchase my 4100, the unit I was buying had a serious toe in problem -like 2" out of spec. Rupiper Equipment, the JD dealer in Lacon Illinois I was working with, indicated part of the axle, I believe the right wheel/articulating spindle, was cast/machined incorrectly. They repaired this prior to delivery. I have had no scuffing problems. Great Dealer and great product. However, JD/Yanmar clearly has a quality issue -they should have not shipped it to the dealer in the first place.
Tom in Central Illinois ....
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| Bill
Join Date: Posts: 1
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2000-02-16 12869
Mike, Would be interesting to see if the toe changes at lock. The inside wheel should be tighter than the outside, and unless I am talking through my butt again, I would think the toe should change. That geometry thing ya know. If it doesn't that is why they are having to replace the whole axle, and not just that control rod. Jeesh, even my little sub compact has that kind of ajustment. They were really cheep. hope they fix it for ya soon. Bill
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| MichaelSnyder
Join Date: Jun 1999 Posts: 0
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2000-02-16 12874
Tom,
I would especially appreciate if you would measure the amount of toe-in on your unit. How do I or would I determine if my problem stems from one or both of the spindles?? ....
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| Don
Join Date: Posts: 1
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2000-02-16 12879
I have a 4100 that I don't believe scuffs any more than my B7100 did, and that was very little. My toe in appears to be about an inch. ....
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| Jim Youtz
Join Date: Posts: 1
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2000-02-16 12882
Mike, I measured the wheels on my tractor the way you outlined (not the way that was described by Tom). I don't think that I was machinist accurate-just used a tape measure. The toe-in on my tractor appears to be between 1/4 and 1/2 inch. ....
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley
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2000-02-17 12889
Michael: I should check my toe-in anyway. Will get back, but don't know how soon. Two foot of snow on the ground and typical low temperatures still not far above 0 F. But it's warming up and won't be too long before I start wrenching again.
I thought through the procedure I found in my Ford repair manual. The procedure is more elaborate than what I've used. I think the advantage of the procedure is that parts other than the tie rod ends may affect toe in under some conditions. The procedure should help seperate tie rod adjustment problems from other problems. Along the same lines, using the same rim points for front and back measurement should eliminate the possibility of a warped rim giving bad measurements.
Anyway, using the Ford procedure doesn't seem like much more trouble than what I've done, and that's what I'll be using from now on. The Ford spec was given in 1/16's of an inch. I imagine the manual assumes that measurement will be done with a tape. ....
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| Larry in MI.
Join Date: Posts: 1
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2000-02-17 12904
I measured the tow in on my 4100 last night using a tape measure. It has 1.5" of tow in. I wonder how much it is supposed to have?? ....
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| dave g
Join Date: Posts: 1
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2000-04-07 14559
in automotive aplications toe in should be 1/16 to 1/8. any more and tires go away fast. ya'll should check out tire scuffing on this site. it deals with the larger of the 4000 series, but it may be related. don't know yet. ....
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| Larry in Oregon
Join Date: Posts: 1
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2002-03-03 36019
The way I check toe in is to jack up the front end of the tractor and scribe or mark with chalk, a mark in the center of the tire while someone rotates the tire completely around. Then with the tractor sitting back on its tires and the steering centered, measure from that mark on the front and back at about the center of the hub. I think about 1/8" to 1/4" is enough toe in, if your steering is pretty tight. ....
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