Radial tires will not wear more if inflated to the correct air pressure for the weight your carrying. The side wall flex actually puts more tire on the ground. This makes the force per square inch go down and that actually reduces tire wear. Running them over inflated will actual stress the tire more and make it wear faster. I have seen this proven in JD test track tests.
This was about 12-15 years ago when we started reducing air pressures in radial tires on high horse power tractors. I sold several JD 9000 series four wheel drive tractors that we weighted to 135 LBS. per horse power. The tire pressure required was 8 PSI. They road like a dream and caused less compaction than a track machine. I personally did compaction probe test to check this out. You did have to keep an eye open for slow bead leaks.
The trouble is too many guys have one set of plows/heavy three point load/attachment. So they run around with their tires over inflated 95% of the time just because of this one attachment. This cost them more in fuel, tires and ground compaction. Plus makes the ride worse. This is simpler than just airing the tires up for the 5% of the time you need it.
Also fluid filled tires are terrible in many ways. They ride rougher. You run the risk of corroding the rims if your running calcium chloride. You actually cause more stress to the tires because there is less air to cushion the tire going over uneven objects.
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Today's Featured Article - A Lifetime of Farm Machinery - by Joe Michaels. I am a mechanical engineer by profession, specializing in powerplant work. I worked as a machinist and engine erector, with time spent overseas. I have always had a love for machinery, and an appreciation for farming and farm machinery. I was born and raised in Brooklyn, New York. Not a place one would associate with farms or farm machinery. I credit my parents for instilling a lot of good values, a respect for learning, a knowledge of various skills and a little knowledge of farming in me, amo
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