F-250 Rear Axle Question - Ford Powerstroke Diesel Forum
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Old 03-28-2013, 07:36 PM
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F-250 Rear Axle Question

I have a 2002 F-250SD Supercab 4x4 LWB 7.3 Lariat with Auto Trans. Is my rear axle the exact same as the rear axle in an F-350 single rear wheel?

My rear GAWR is 6084 lbs. The F-350 SRW rear GAWR is 6830. According to the Ford Fleet info I gathered, my rear springs are rated at 6830. Also, the wheels and tires are both rated at 3415 lbs each (6830 total). In addition, the rear axle specs looked identical to the F-350's.

It seems that maybe a few F-250's came with lesser rated tires, and that might be the reason for the lower GAWR. I find it weird that my F-250 rear suspension is the same as an F-350, unless there is some difference in the axle. Does anyone know if it's all the same? If so, I assume I could safely load my bed up to the 6830 lbs. like the F-350?

If there is no difference, then I wonder why Ford just didn't give it the 6830 rating? Maybe to get you to pony up for the F-350. Any guidance is appreciated.
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Old 03-28-2013, 10:05 PM
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The axles themselves are the same as far as I know (Sterling 10.5") though they may have different gear ratios. I believe the rear springs were different from the factory with the F-350 springs being stiffer, though they look the same at a glance. I'm pretty sure both the 250 and 350 came with 10 ply tires.

I do believe the stiffer springs is the only reason the 350 is rated as a 1 ton compared to the 250. That is my vague understanding of it.
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Old 03-29-2013, 05:07 AM
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I read somewhere that they both have the same springs, but the 350 came with 1 extra helper spring. Not sure, but sounds about right
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Old 03-29-2013, 08:38 AM
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Play'n with fire tex, if you get pulled over and weighed..
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Old 03-29-2013, 08:39 AM
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Thanks for the insight. I'm researching slide-in truck campers, and trying to find one that will not exceed the rear GAWR. It seems now that all the truck camper gurus were right in a way when they said that the tires were the limiting factor. Since all the rear suspension is the same other than the extra leaf, I guess I'll get some airbags and stay under 6830 lbs.
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Old 03-29-2013, 08:40 AM
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Quote:
Originally Posted by timmyboy76 View Post
Play'n with fire tex, if you get pulled over and weighed..
Passenger trucks aren't subject to weigh stations, at least in all the states I've been in. Correct me if I'm wrong, please.
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Old 03-29-2013, 08:43 AM
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Quote:
Originally Posted by texaspilot76 View Post
Passenger trucks aren't subject to weigh stations, at least in all the states I've been in. Correct me if I'm wrong, please.
Doesnt necessary need to be a weigh station. If for some reason, your pulled over, then cop gets a bug up his arse, and wanna "weigh" the rear tires, because IT LOOKS abit on the heavy side. So, he calls his DOT buddy, with portable scales, have you roll over them and stop. Now, the scale is giving accurate weight to tires, and verifies with your cab sticker as to "maximum" weight, FORD has stamped onto your truck. If over that stickered weight...
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Old 03-29-2013, 08:49 AM
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Quote:
Originally Posted by timmyboy76 View Post
Doesnt necessary need to be a weigh station. If for some reason, your pulled over, then cop gets a bug up his arse, and wanna "weigh" the rear tires, because IT LOOKS abit on the heavy side. So, he calls his DOT buddy, with portable scales, have you roll over them and stop. Now, the scale is giving accurate weight to tires, and verifies with your cab sticker as to "maximum" weight, FORD has stamped onto your truck. If over that stickered weight...
Dang, I've never heard of this. If thats the case, then I'll be overweight with my family in the truck and just tents and gear thrown in the back! The truck weighs over 7000 lbs empty with full fuel, and the GVWR is only 8800 lbs.
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Old 03-29-2013, 08:55 AM
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see it all the time here. You got a 1500 truck..(1/2 ton, correct), bed loaded with everything and the kitchen sink. Mr. P.O. pulls them over, KNOWING their way over total weight or truck..(weight in bed). Sure enough, there banging at 1 ton..(max bed weight for our 350's). Not only does he/she get a big fat ticket, but you gotta offload it prior to being on your way.

Its why i like tow'n to desert at night..
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Old 03-29-2013, 09:49 AM
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So does this mean you would need to get an F-450 or 550 to haul a 3000 lb camper legally. That's how much my friends camper weighs and it looks like a typical camper.
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