Spinout rims

ChopChop

New User
I posted the other day about my 65 ford 4000 having a rusted out 12x38 spinout rim. I have located a good pair of rims but they are 16x38. In my mind it sounds like they would work especially since I was going to have to buy two tires anyhow. Could someone with tractor smarts tell me if the wider rims will work with this tractor.
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You'd have to have wider tires to fit on wider rims and they would be correspondingly higher, which would raise the rear of the tractor and increase your ground speed in any given gear. This doesn't mean it won't work but you may want to think about how that would change the operation of the tractor before you spend all of that time and money.
Zach
 
The size tires you'll need to mount on a rim that wide will look kinda funny on your tractor. I think an 18.4 is what would mount on a rim that size. Quite a bit of a difference in what you have now.

Donovan from Wisconsin
 
On your rim you should be running a 13.6 X 38 tire and on those rims you should get a 15.5 X 38 tire and they are so close in size in diameter you would never notice the difference. 13.6 are commonly run as duals with the 15.5 tire and are the normal size for a 5000 while the 4000 normal is 13.6 but wider will give more traction and flotation more like running duals. Had 2 of the 4000 and a 5000.
 
Thank you there Leroy. I don't use this tractor for much more than bush hogging anymore, so I was leaning towards the wider rims if they would work and not screw up everything.
 
As the other poster said, 16x38 rims are meant for 18.4x38 tires... too big for a 4000. You can usually get away with going 1 size bigger or smaller than th erim was meant for, IF you're not running radials or heavy loads (sounds like you aren't). 1 size smaller would be 16.9x38's, still awful big for a 4000.
That said, is the right rim the bad one? While I can see the rust, it looks repairable. Dismount the tire, drill a new hole for the valve stem, patch the rusty area, grind smooth and paint. Cheaper than replacing...
 
No. Its the one on the left hand side. Actually around the valve stem is fairly solid. It is all around the outer bead that has rusted through. Depending on how I would park it when I would get done with it, a little fluid would leak out of the tire through what I call drycracks and probably sit around the rim edge and over the years, has done it due. I wish it was just the valve stem. I saw on you tube how to repair areas such as that.
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Those look like rims and weights for a 5000 including the front tires and rims now when I worked for a Ford dealer in Virginia there were some folks down there doing different things in tobacco country to get more clearance. The 4000"s standard rear rim was 28" as I remember In 1970
 
Disreguard my other message. If you can get me a photo this weekend, I'll wait. Rather have 2 just in cast the other is rusted bad on the inside. thanks.
 
If your only option is the 16x38 rims at this point, don't despair.

15.5x38 tires are the same WIDTH as 16.9x38.

15.5x38 tires are the same HEIGHT as 13.6x38.

You can stretch the 15.5s on to the 16" rims, and they won't increase your ground speed.
 

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