Re: 20.8 vs 18.4 and radial tires vs. ply

Posted by Harold H on December 13, 2004 at 14:25:17 from (66.6.177.220):

In Reply to: 20.8 vs 18.4 and radial tires vs. ply posted by curt1256 on December 13, 2004 at 14:04:14:

From what I understand, the supposed advantage of the radial rear tires is, the sidewalls are less rigid and this allows the tire to flex and allow more of the tread to be in contact with the ground and thus give slightly more traction per horsepower in most normal conditions. On bias tires the sidewalls and crossection is much more rigid which supposidely has more rolling resistance and less traction in some conditions. In rough conditions, new ground, logging, rice fields, etc, the bias tire is a more rugged tire. On older tractors the bias looks more "right" and except for extreme high hp tractors I don't think you will really notice a difference in pulling power. Personally I prefer a bias type rear tire for most applications. I think bias tires will be fine for your application. You might want to check prices on 20.8 x 38 bias tires as well as the 18.4 x 38 bias. IMHO.

Harold H

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