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| I just looked in my firestone book, 800/70R38 load index 173B tires have 725 inches of flat plate area at 23 psi. So that is about 5800 square inches on the ground. So a 53000 lb tractor will have about 9 lbs per square inch. I am guessing that a quad track with 30 inch tracks has 5 ft of track on the ground. 4 tracts so that is 7200 square inches on the ground. 53000 lb tractor will have about 7.36 lbs per square inch. Just some facts I have know idea what that means in terms of what is allowable for soil compaction.
Edited by ndarbuckle 2/16/2012 19:45
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tires vs tracks question
