Tire pressure when towing
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Senior User
Joined: Jun 2016
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From: McCalla Alabama
Tire pressure when towing
My 2017 F350 CCSB SRW has 20's on it. The door has 60 psi front and 80 psi rear. On my 08 I ran 80 psi all around when towing. What do you guys run when towing 5th wheels?
More Turbo
Joined: Sep 2016
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Why try to out guess Ford?
The front's don't take nearly the load so they don't need the PSI...
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Tuned
Joined: Oct 2006
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The tire inflation label is based on your trucks axle rating. If you are exceeding that weight then you need to increase the pressure. If not, why bother.
My tires on my 250 are to be inflated to 70lbs. Same tires on the 350 is 80lbs because of the higher axle rating.
My tires on my 250 are to be inflated to 70lbs. Same tires on the 350 is 80lbs because of the higher axle rating.
Banned
Joined: Jan 2017
Posts: 359
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In "RV world" (full-timers, old-timers, etc.), we use the pressures on the door sticker. You're not putting any significant extra load on the front axle when you hitch up. As others have stated above, this is not the time to try to out-think the Ford and tire engineers. This is confirmed by a retired automotive engineer and a professional tire guy on my other RV forums. By over-inflating the fronts, you also risk abnormal tire wear and reduced traction in wet conditions. On my DRW truck, I run 65 all around as posted on the inflation sticker (plus run an aftermarket TPMS system on the truck and the trailer).
Rob
Rob
Laughing Gas
Joined: Dec 2015
Posts: 889
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I guess this is a good place to ask this question. I have seen a different tire max pressure on the door sticker than what is imprinted on the side of the tire from the manufacturer.
Why is it that we are all told to go by the door sticker?
Wouldn't the tire maker know what pressure the tire can hold better than the car maker that may have several different makes and models of tires on the same model car or truck and use the same specs for all the different tires?
Why is it that we are all told to go by the door sticker?
Wouldn't the tire maker know what pressure the tire can hold better than the car maker that may have several different makes and models of tires on the same model car or truck and use the same specs for all the different tires?
Banned
Joined: Jan 2017
Posts: 359
Likes: 19
I guess this is a good place to ask this question. I have seen a different tire max pressure on the door sticker than what is imprinted on the side of the tire from the manufacturer.
Why is it that we are all told to go by the door sticker?
Wouldn't the tire maker know what pressure the tire can hold better than the car maker that may have several different makes and models of tires on the same model car or truck and use the same specs for all the different tires?
Why is it that we are all told to go by the door sticker?
Wouldn't the tire maker know what pressure the tire can hold better than the car maker that may have several different makes and models of tires on the same model car or truck and use the same specs for all the different tires?
Rob