Tire sizing May 16, 2017 06:26AM
Does anyone have a listing of the footprint of 38" tires and 34" tires? Trying to find out if a 20.8/34 is bigger than an 18.4/38
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Re: Tire sizing May 16, 2017 09:42AM
20.8x34 has 336 sq. inch and the 18.4x38 has a 340 sq. inch so not much difference at all.
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Re: Tire sizing May 16, 2017 10:04AM
Tireguy,

Here is a listing of the sizing and footprint of the 18.4R38 Pro Puller Full Pull double cut tires that will be available very soon! I have taken the same calculation and applied it to the 20.8x34 widths.

20.8 R 34 Footprint at 22” of width
206 - 342.76
207 – 344.52
208 – 346.28
209 – 347.82
210 – 349.14
211 – 350.68
212 – 352.22
213 – 353.54


18.4 R 38 footprint at 19” of width
206 – 296.02
207 – 297.54
208 – 299.06
209 – 300.39
210 – 301.53
211 – 302.86
212 – 304.19
213 – 305.33

As you can see, the 20.8 has a significantly higher footprint when you compare the two. Please keep in mind, these calculations are based off of a full tread width tire with bars out to the edge. If you need calculations on tires with different circumferences or widths, please let me know and I would be happy to crunch some numbers for you. Feel free to talk directly with me at 402-840-0244 or email me at aaron@propullertires.com.

I hope this helps, let me know if I can be of further assistance.

Aaron Docter
ProPullerTires.com
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