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KevinON 
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Joined: 07 Dec 2009
Location: Schomberg, ON
Points: 798
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 Topic: 24.5 x 32 Tires for 7000lb Mod Farm Class
Posted: 17 May 2018 at 8:27am |
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I am building a 190XT for a Super Light 7000lb Mod Farm Class. Cube limit is 330 with a 2.3 charger and 3100rpms. Max tire size is 18.4x38, but I own a set of 24.5 x 32 tires. I always was a fan of the 38's and thought they were a better all around tire, but what are your thoughts on the 24.5's??? Thanks for the input!
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injpumpEd
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Joined: 13 Sep 2009
Location: Walnut IL
Points: 5056
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Posted: 17 May 2018 at 1:00pm |
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Big tires take more HP to turn, in these lower hp classes.
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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KevinON
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Joined: 07 Dec 2009
Location: Schomberg, ON
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Posted: 17 May 2018 at 1:08pm |
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That is true. I'm not going to get rid of them, though. I may step up to light pro stock in the future, so they would work well there. Just wondering if the footprint is much bigger than on the 18.4x38?
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ACFarmer
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Joined: 13 Sep 2009
Location: Ohio
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Posted: 18 May 2018 at 8:21am |
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Foot print is closer to a 20.8x38.
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Making a living farming with and working on Allis Equipment
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KevinON
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Joined: 07 Dec 2009
Location: Schomberg, ON
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Posted: 18 May 2018 at 8:34am |
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Thank you!
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PaulB
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Joined: 12 Sep 2009
Location: Rocky Ridge Md
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Posted: 21 May 2018 at 12:24am |
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If your class has a limit of an 18.4X38, why are you even asking about 24.5X32s😳
Edited by PaulB - 21 May 2018 at 4:05pm
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If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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DrAllis
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Joined: 12 Sep 2009
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Posted: 21 May 2018 at 7:12am |
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As per the Firestone tire footprint chart, a 20.8 x 38 has a flat plate area of 380 square inches and a 24.5 x 32 has 430 square inches. Looks to me like more than 10% difference between the two tires.
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ACFarmer
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Location: Ohio
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Posted: 21 May 2018 at 7:45pm |
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They aren't exactly the same, but they are close. Any given night a tractor on 20.8 can get by a tractor on 24.5 in the hot farm class around here. Then factor in the new cast just for pulling 20.8s that are out now and they get even closer on footprint.
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Making a living farming with and working on Allis Equipment
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