9.75 GAWR
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More Turbo
Joined: Feb 2003
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From: Grand Rapids, MI
9.75 GAWR
Doing some calculations on different tire setups and proper inflation and I'ev stumbled onto some curiosity. My truck is the standard load (7200gvwr) package with the Ford 9.75 rear (2011MY). Disregarding all other factors and considerations since this is purely out of curiosity, what is the upper GAWR on a Ford 9.75 rear end? I know a lot of stuff comes into play on a vehicle to determine these numbers but I'm just curious what the rear end itself is capable of. I would also be curious where my weak points are in the GVWR and GAWR considerations; I found it interesting that using the load tables for LT Load E tires and the OE 108 index one would only need to inflate my current LT285/70r17 tires to 32psi to match the OE load capacity!
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Joined: Jul 2011
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From: Sioux Falls Area
My best research indicated that the 9.75 is a 4500 lbs axle.
I think you'll find that the tires are the weak link, unless you upgrade them to a LRE, at which point the rims become the weak link on a factory rim.
The 7 lug wheels have a higher weight rating to match the LRE tires.
I think you'll find that the tires are the weak link, unless you upgrade them to a LRE, at which point the rims become the weak link on a factory rim.
The 7 lug wheels have a higher weight rating to match the LRE tires.
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Joined: Jul 2011
Posts: 6,509
Likes: 658
From: Sioux Falls Area
The wheels appear to have a 2025 lbs rating, which is higher than I remembered.
The 7-lug.wheels are rated at 2400lbs
http://www.hillerford.com/v2/resourc...s/2011f150.pdf
The 7-lug.wheels are rated at 2400lbs
http://www.hillerford.com/v2/resourc...s/2011f150.pdf
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