BX2200 Tire swap: Kubota Review  -- Kubota Tractors Discussion Forum and Review BX2200 Tire swap: Kubota Review -- Kubota Tractors Discussion Forum

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 05-06-2002, 12:22 Post: 38207
Pumpkinhead
2002-05-06 12:22:59
Post: 38207
 BX2200 Tire swap

Is it possible to put larger rims and tires on the BX2200? Nothing too extreme, perhaps the same ones that come on the B7400.






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 05-09-2002, 06:43 Post: 38354
TomG

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 BX2200 Tire swap

Looks like nobody has a specific suggestion. I'm not sure of the reason. Increased ground clearance maybe. But a higher tractor also is less stable on side-hills, and I think BX fairly good stability is something BX's are known for. Larger tires would provide a slightly faster ground speed, but also would increase the use of low range with a HST.

I think that a relative few bolt patterns are used on rear wheels, and different rear wheels are fairly easy to find from after-market suppliers. Front wheel bolt patterns are a different story, and front wheels may be almost one-on-one with a tractor. One problem that is sometimes encountered in doing this sot of thing is finding matched tire sets. On 4wd tractors, particular rolling circumference ratios between the front and rear tires must be maintained--otherwise the front/rear drive ratios won't be within spec. It's possible that a matched tire set does not exist for a particular tractor with wheels that are a different diameter than one of the factory wheels.






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 05-09-2002, 08:18 Post: 38364
Art White



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 BX2200 Tire swap

Normally I don't mind changing a tractor a bit. But you want to change it a little more than I would say is safe for the life of the tractor. I don't think what you are trying to do would be advisable fo the life of the tractor. Just get the B7500 and don't worry about it.






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 05-09-2002, 08:54 Post: 38369
DRankin



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 BX2200 Tire swap

Your final drive gears are predicated on the overall tire diameter you have now. If you radically change that you bump the ground speed up across the board and lose a lot of low speed puling power.






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 05-09-2002, 17:08 Post: 38390
bigbukhntr



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 BX2200 Tire swap

hmmm...is the tire diameter of R-4's different that the diameter of the standard ags...i realize the width is much wider, but it appears the diameter is also larger..and if so, would this cause any future problems?






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 05-09-2002, 20:02 Post: 38402
DRankin



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 BX2200 Tire swap

Assuming you are talking a 4wd, you have to make sure you have the same amount of increase in diameter on the front tires as you do in the rear in order to keep the differentials from wearing out.






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 05-10-2002, 06:35 Post: 38418
TomG

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 BX2200 Tire swap

To be a little more technical, it's the rolling circumferences rather than just the diameters that are important. In 4wd, the tires should put the same amount to rubber on the road or the front wheels get pushed by the rears or the fronts try to pull the rears. Front tires are smaller so they have to rotate faster.

Rolling circumference is a better concept than diameter because anything that affects the tire profile changes the rolling circumference. Tractor weight, tire type and tire pressure all change it. Somewhere in the very deep archives are several ways to calculate rolling circumference are described, but actually crunching numbers probably is overkill.

The trouble with departing from one of the factory tires sets is that even if different diameter wheels are found, there may be no tires made that keep the front and rear drive ratios within spec, even if somebody is willing to mix and match tire brands. People do find different arrangements that work but the search could get difficult. Since rolling circumferences are not basic stats, there's no exact way of telling how well a tire set works until they're on the tractor. I seems to recall that at least one older tractor used an uncommon tire which the only tire manufacturer discontinued. An owner needed new tires and found some that had to be stretched a bit to mount on the wheels and had to carry unusual tire pressures to work very well. Anyway, I hope I illustrate that the idea can get complicated.






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Discussion Boards > Active Subjects > Messages as Posted > Kubota Review Forum

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Art White 1 | bigbukhntr 1 | DRankin 2 | Pumpkinhead 1 | TomG 2 |




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