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Tire Presure
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Stroud65 View Drop Down
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Joined: 04 Jan 2016
Location: Farmington, MO
Points: 54 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Stroud65 Quote  Post ReplyReply Direct Link To This Post Topic: Tire Presure
    Posted: 03 Sep 2016 at 8:24am
I'm running a set of 18.4-38 Firestone radials on my 7000 Allis and I'm wandering what presure I should be running in them. I've been pulling 8500 and 9000lb classes.
Thanks,
Matt
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dawntreader74 View Drop Down
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Joined: 28 Oct 2013
Location: Manteno
Points: 1758 		Post Options Post Options   Thanks (0) Thanks(0)   Quote dawntreader74 Quote  Post ReplyReply Direct Link To This Post Posted: 03 Sep 2016 at 7:23pm
are they cut tires or not cut
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zulawski87 View Drop Down
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Joined: 28 Apr 2014
Location: Foley, MN
Points: 85 		Post Options Post Options   Thanks (0) Thanks(0)   Quote zulawski87 Quote  Post ReplyReply Direct Link To This Post Posted: 04 Sep 2016 at 6:12pm
I would say 10 to 13 pounds. Radial will squat and flex a lot easier than a bias tire
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 19507 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 04 Sep 2016 at 7:13pm
Tire pressure for pulling depends on a lot of things.....rim width.....tire lug bar wear or type of cut.....ply rating.....tractor weight.....tire brand.....etc,etc, etc. The correct pressure is what puts you down the track the farthest !! I've run a couple of sets of B.F. Goodrich 20.8 x 38 radials over the years at 25 psi in the 11,000 and up classes on 18 inch rims.
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Stroud65 View Drop Down
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Joined: 04 Jan 2016
Location: Farmington, MO
Points: 54 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Stroud65 Quote  Post ReplyReply Direct Link To This Post Posted: 04 Sep 2016 at 7:57pm
Non cut tires. There's not much lug on them. Ran 20psi today at a pull and didn't feel like I hooked up very good. I think it's time to drop the presure
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rowcropmafia View Drop Down
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Joined: 11 Sep 2009
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Points: 208 		Post Options Post Options   Thanks (0) Thanks(0)   Quote rowcropmafia Quote  Post ReplyReply Direct Link To This Post Posted: 04 Sep 2016 at 8:26pm
I would think you would want to be at or a little under 15lbs i usually run 8-12 psi at 6500lb radials
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