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Rim width??

H

Harold Hubbard

Member
I have a lot of brush hogging to do later this summer. we have had so much rain that it looks like standing water on 45 degree slopes. Just found out that pontoons were never available as an add on for my MF 175. So, I guess duals are the only way to keep my head above water.

I have some old tires, and some rims off a different tractor.

How bad will 16.9x28's fit on a 12" rim?? Will they bulge up and be taller than the inner tires that are on 15" rims? I am only using them for flotation, traction is not an issue.

I will probably roll my own bands. How wide do they need to be, and how thick the steel?

On the front I now have 235-85/R16 steel belt radial pickup tires. How much bigger do I need to go to make a significant improvement in the flotation on that end? I would like to stay with steel belted because of thorns and such, but might think about aircraft tires.
 
Those tires and rims will not work well together- best if you go only an inch wider or narrower than the rim (old size marking). If you can roll bands, you could widen the rims to match the tires. I added ten inches on combine tires like that. Went from 18.4 to 28L. Spacer band width depends on how much distance you want between wheels. Measure from inner contact on rim to outside of tire, on each wheel, then add desired distance between tires. Too close, they fill with mud. IIRC, band material is 1/8 to 3/16 thick.

Front? Consider slightly smaller diameter to lessen load on front spindles and bearings. They"ll pick up the load when they sink in a bit. I dualed my 4450 MFWD with narrower tires (shorter height) and they just lightly touch the ground when they angle while turning.
 

Before you try rolling the bands, check with a sheet metal shop/fabricator. They often have a special machine for that that takes about 2 min. including set-up to do two.
 
If I don't need more than 6" wide my old
blacksmith's wagon tire roller will do it just
fine. BTW, it would take me half a day to go
anywhere that could do it for me, IF I could make an
appointment and have them do it while I wait.
 
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