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Farmall A

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William Hatcher

11-16-2005 08:11:14




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I have a 1947 Farmall A. With both steering arms and both front axels set the same and both front wheels mounted the same, the left front wheel tracks the center of the left rear, but the right front wheel tracks the outside of the right rear. Is this the way they were made? Does it have anything to do with the offset body? Look at yours and let me know if its like mine.




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RRRRRR

11-16-2005 14:11:45




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 Re: Farmall A in reply to William Hatcher, 11-16-2005 08:11:14  
According to manual treads can be set nearly equal front and rear. Both front and rear tread can be set symmetrically with respect to center (pivot) of front axle. I suspect your rear rims are not matched. You may ask Gene B on the Farmall board; he is very knowledgeable on the offset Farmalls. HTH. Hendrik



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Stan(PA)

11-16-2005 11:37:50




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 Re: Farmall A in reply to William Hatcher, 11-16-2005 08:11:14  
Just went out to the barn and checked my `46 A. The OUTSIDE of the front tire is even with the OUTSIDE of the rear tire, same on both sides. My front axle is all the way in on both sides. The only way I can figure for your situation, is that either a front wheel, or the rear wheel, is attached opposite of the other one. If the center is dished the same, I think it would be easy to spot, as the tire valve would be on the opposite side. Only other possibility, is that two different type rims were used. ....Stan

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William Hatcher

11-16-2005 13:22:46




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 Re: Farmall A in reply to Stan(PA), 11-16-2005 11:37:50  
Thanks Stan,

My left rear is installed the same as the right rear and left front is installed the same as the right front.

Are your steering arms and axel extenders in the same position on both sides? Or is the left side adjusted out more than the left side? Mine are the same.

Is your right rear wheel thicker and heavier that the left? Mine is. I assume to counter balance the body offset..

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Stan(PA)

11-16-2005 16:05:42




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 Re: Farmall A in reply to William Hatcher, 11-16-2005 13:22:46  
Steering arms and axle extenders are the same on both sides (all the way in). Yes, the right rear wheel is cast, and the left is stamped steel. I still think your wheel rims are mismatched in front. Either different wheels, or mounted inside out on one side. Can you take a picture of the front view? ....Stan



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Hurst

11-16-2005 14:42:19




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 Re: Farmall A in reply to William Hatcher, 11-16-2005 13:22:46  
You should have the same size tire on each side of the rear. If not, that is probably the problem since the rims will be 2 different widths. Measure the widths of the rims on the inside and you will probably find that they are different. What size tires do you have? Most 140s in ky that were used for cultivation have 9-24 around where I live (we have 2 like that) and that would be a modern 9.5-24 tire. You can also use an 11.4 or 12.4 on the rear, but they must be the same on both sides for your wheels to line up right and it can be a little harder on the diff if they are different circumferences. Let us know what you find out.

Hurst

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William Hatcher

11-16-2005 15:22:04




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 Re: Farmall A in reply to Hurst, 11-16-2005 14:42:19  
9 X 24 ON NBOTH REAR. Tires are the same. The rear hubs are not.



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Hurst

11-16-2005 18:16:36




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 Re: Farmall A in reply to William Hatcher, 11-16-2005 15:22:04  
How are the rear hubs different? Does one have weights and the other not. Or are they completely different hubs all together. Our 140s have the same hubs on the rears on both sides. There shouldn't be anything from the factory to compensate for the offset of the tractor weight wise. It is alright if they added 2 weights to that side and none to the other or just one to that side and none to the other, but the dishes (hubs) need to be the same. If they are different, then that is probably what is throwing off the alignment. I would meansure from where the dish bolts on to a line perpindicular to the outside of the rim and I bet you will find that the tires have different measurements. It should be the same, if not, check to make sure the dish is bolted on the same side of the loops in the rim and that both rims have the valve stems on the same side (either both inside or both outside). good luck

Hurst

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Hurst

11-16-2005 18:21:49




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 Re: Farmall A in reply to Hurst, 11-16-2005 18:16:36  
Well, nevermind, I just read another comment. I guess the hubs were different. Sorry about the confusion. The ones on our 140s were the same I thought. The A could easily be different. I haven't seen the 140s in a while, so I guess they are probably different too. Sorry bout that.

Hurst



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bud sather

11-16-2005 08:58:33




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 Re: Farmall A in reply to William Hatcher, 11-16-2005 08:11:14  
Mine track the same. You either need to change the front or the rear. I would check to make sure the the rear tires are mounted the same and if they are then move the right front axle so it tracks in the right rear tire track.



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William Hatcher

11-16-2005 09:47:44




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 Re: Farmall A in reply to bud sather, 11-16-2005 08:58:33  
The rear are mounted the same. However, as you know, the right rear wheel weighs about 200 lbs more than the right and thus about an inch thicker. But not enough to account for the 4 inch difference in tracking.

The right front cannot be moved in any farther because the axle in in the sleeve as far as it can go. The left front can be moved out to track the outside of the left rear. This leaves the front end asemetric.

I'm wondering if there is an engineering reason for the tracking difference?

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RN

11-16-2005 14:32:46




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 Re: Farmall A in reply to William Hatcher, 11-16-2005 09:47:44  
Take another look at back wheels and rims- adjustment in track done by changeing rim mount on wheel centers on some IHCs, differnce of tire rim to center offset is about 2 to 3 inches, this is about what you posted as difference in alignment of front to center of back wheel. My f20 project has that type of wheel rim mount. RN



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