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Old 04-06-2015, 12:17 PM   #1
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Questions about tire and axle loading

I've got a Ford F250 3/4 Ton 2014 SRW SuperDuty SuperCab XLT 4x2 6.75" Short Bed Gas Engine truck.



The first question is about the tires which I think I know the answer to: I have Load Range E tires with a max load of 3195#. My GVWR is 10,000#. Focusing on the rear tires, my rear GAWR is 6200#, so is it correct to say that the weaker link is the axle (at 6200#) because the two rear tires can support 3195*2 = 6390#?



The second question is that I went to get the truck weighed at a scale and the rear axle load (without camper) is 2820#. I believe this means I can put up to 6200-2820 = 3380# on the rear axle right?



If so, does all of the weight of a truck camper go on the rear axle? If so, then that would mean that my camper wet weight can't go over 3380# right?
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Old 04-06-2015, 12:24 PM   #2
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Yes, the axle is the limiting load factor. Most of the weight is on the rear. Bottom line is that like most of us, you will end up over loaded. Drive carefully.
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Old 04-06-2015, 12:26 PM   #3
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Quote:
Originally Posted by yorgor View Post
Yes, the axle is the limiting load factor. Most of the weight is on the rear. Bottom line is that like most of us, you will end up over loaded. Drive carefully.
Thanks yorgor, that's what I thought. Is there anything I can do to reduce the risks of this? I know the GAWR can't be increased, but do things like a rear stabilizer bar do anything for safety or is that just for ride comfort?
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Old 04-06-2015, 12:32 PM   #4
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There are enhancements for handling, you should have HD shocks(not OEM), and at least a rear roll bar to reduce sway. Some add booster springs and or air bags for leveling.
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Old 04-06-2015, 10:31 PM   #5
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what rear axle is in your truck? if its the same as the older F250s its the sterling 10.25 which itself is rated for 9,750lbs.
One tip i will give you is run very nice tires with the heaviest rating you can. i have a SRW 350 and just had a tire blowout, now i am running tires rated at 4,080lbs (80psi).
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