trailer wheel weight rating/compared to tire psi rating?

[MFL]

My 6-bolt wheels on 5200 lb axles with oem 225/75R 15 D-rated 2540 max wt tires. My wheels are steel and are marked 2,600 max weight. My FW GVWR is 12,110, which would mean 10K max on tires/wheels. I have a 4K CCC, so FW never loaded to GVWR. I am thinking not much more than 8,500 lbs on tires/wheels most times.

I am planning to replace the tires this Spring. My first choice is GY Endurance 225/75R 15E with max rating 2,830 at 80 psi. I understand that at 65 psi, these tires would carry same 2540 as current D tires.

My question is...if I inflate these new E-rated tires to 80 psi, giving the tires full load carrying capacity, will the wheels take that increase in pressure? I will replace the rubber stems, with 80 psi rated stems.

Any of you heavy commercial haulers ever break a steel trailer wheel from a bit over listed max weight?

Jerry

[MFL]

Hey guys, no quitter, but thread has gone sideways. I've been busy wearing my Domestic Engineers hat this afternoon! Yup, man of many talents!

As much as I'd like to have a knowledgeable source say it's okay, a 2600 lb rated wheel can easily handle the 80 psi of an E-rated tire, it likely won't happen. I suspect a company in the tire/wheel business will give a CYA statement, if at all.

I did learn that some others are using more psi than their wheel may be rated for, with no issue.

I absolutely agree with Ron, and most others, that the tire inflation charts are useful, especially pertaining to HD truck inflation pressure. My truck tires are well below what it says on the door panel.

I always considered BurbMan to be a standup guy, must have hit a nerve, or maybe offended his buddy?? They will recover!

All have a great evening!

Jerry

[ford_truck_guy]

as do I

[Cummins12V98]

MFL wrote:
On that note...maybe time for Barney to just close my thread. Thanks to all serious replies, including my friend Ron! 🙂

Hey now let's not be quitters!!! 😉 I want to hear what the wheel company tells you.

[MFL]

On that note...maybe time for Barney to just close my thread. Thanks to all serious replies, including my friend Ron! 🙂

[Cummins12V98]

My new Continentals have a 6,005# rating @ 125psi. My per tire load is around 4,500# I am not going to inflate to 125. Using the chart I will run 100psi and see how the heat is. 125 will make for a very rough ride.

[Cummins12V98]

MFL wrote:

Cummins12V98 wrote:
Jerry I know you want an answer but reality is you won’t inflate your tires to 80.

Kind of true, but never liked the idea of using a higher rated tire than needed, then deflate them to fit the load, when using an ST trailer specific tire. I don't need an E-rated or load capacity of 2830 per tire.

My reality is...I need a quality ST 225/75R/15 in D-rating 2,540 capacity at 65 lbs. If GY Endurance came in this size, 8 ply, D-rated, they would already be on the way.

Friends don't always agree, and some are highly opinionated. I know this has nothing to do with you and I!!! 🙂

Jerry

Everyone has their opinions and that is what makes us unique. I always say why do they make weight/inflation charts? I say to be used.

I use the chart on my DRW running empty. 35psi is the lowest pressure on the chart. I am a rebel and run 30 on my rears with plenty of capacity. If I did not the centers would be worn out. 53k on my tires and will easily get 60k and that is towing at 1/2 the time with 6k pin and the other half with the truck weighing 10k.

[MFL]

Cummins12V98 wrote:
Jerry I know you want an answer but reality is you won’t inflate your tires to 80.

Kind of true, but never liked the idea of using a higher rated tire than needed, then deflate them to fit the load, when using an ST trailer specific tire. I don't need an E-rated or load capacity of 2830 per tire.

My reality is...I need a quality ST 225/75R/15 in D-rating 2,540 capacity at 65 lbs. If GY Endurance came in this size, 8 ply, D-rated, they would already be on the way.

Friends don't always agree, and some are highly opinionated. I know this has nothing to do with you and I!!! 🙂

Jerry

[Cummins12V98]

Jerry I know you want an answer but reality is you won’t inflate your tires to 80.

[MFL]

It seems no one can give a definite answer to my question, but I thank all of you for your posts! It was encouraging to hear a few others say they are using an E tire on similar wheels as mine.

I contacted southwest tire/wheel, per JIMNLIN's suggestion. I am waiting to hear from them, after asking if I can mount a 225/75/15 E-rated tire, on their white spoke wheel that is rated 2,600 lb max wt, which is same as mine. I asked if I can inflate to 80 psi, allowing the tire max of 2,830, but never reaching even 2,500 lbs actual wt on any wheel.

I will post their answer, if I get one.

Jerry

[MFL]

bucky wrote:
You are playing with yourself until you scale it. Anything else is conjecture. How many times does this board have to say that?
As to the clearance issue it's half an inch.

Reading comprehension is your issue bucky! How many times do I need to say weight is not the issue, and has nothing to do with what I am asking.

Yes, 1/2" wheel clearance, but a taller tire as well.

Jerry

[bucky]

You are playing with yourself until you scale it. Anything else is conjecture. How many times does this board have to say that?
As to the clearance issue it's half an inch.

[JIMNLIN]

Busted trailer wheels.
Oh yeah....split wheel bead seats/cracked valleys from over load and over pressure certainly not rare especially on high mileage load carrying wheels. I've had a few wheel split bead seats when I was hauling.

At one time 15" steel wheels carried a 50/65/80 psi max rating identifications depending on rim and wheel center material thicknesses. Those 50 psi 15" trailer wheels were very lite in weight compared to the 80 psi rated wheels.

Now it seems many 15" X 5 lug and most 6 lug 15" trailer wheels carry a 2830 lb load = 80 psi.

I've bought most of my truck and service trailer wheels from southwestwheel southwest.
Give them a 1-800 for their input on their 2600 lb rated 15" X 6 lug 2600 lb load wheels and 80 psi tires. I see their adds with load E tires mounted on their 2600 lb rated steel trailer wheels.

[MFL]

goducks10 wrote:
6 om 5.5 are rated to 2830lbs.
I've never seen a 15" 6 on 5.5 rated under 2800 lbs.

https://www.tredittire.com/wheel/spoke-steel/

https://www.etrailer.com/Trailer-Tires-and-Wheels/Kenda/AM32664.html

15" 6 on 5.5 rims have to be rated at 2800+lbs because some manufactures install 225/75/15 E rated tires on their trailers as OEM. BTDT.

.

Thanks for the informative reply, with example! I would not want Kenda tires, after a bad experience, but the info does show that wheel is rated to 2,830.

My wheels are 15" 6 on 5.5, so not sure who, or why they are stamped 2600 lbs on the back side. The wheels, finish on wheels, seem to be good quality.

Like I mentioned, wt is not really the issue. They'll never see 2,500 on any wheel. I don't expect to have an issue with 75-80 psi, but looking for others thoughts, or actual experience. No where have I read, that you cannot put 80 psi in a E-rated tire, mounted on a rim labeled 2,600 lbs max.

Jerry

[BurbMan]

I agree, if you can get an E-rated tire you should do so. I wouldn't automatically inflate to 80 psi so get max load though, especially if you don't think you're overloaded at 65 psi. Running overinflated will get you more bounce on the trailer and especially if you don't have shocks on the trailer will bounce stuff inside around needlessly. You mention the closest scale is a junkyard, then I would say make a plan to stop at one on the highway on your next road trip with the trailer. Cat scales are easy to find.

I my experience all the wheels I have seen have a max weight listed, some have max PSI stamped on the inside of the rim as well where you have to dismount the tire to see the rating. I ran E tires at 75 psi on 6 lug aluminum star rims for years with no issues.

If you go to 16" wheels/tires you will likely need to lift the trailer. I went to 16" on the TT to run LT tires and wound up having to install the CorrectTrack kit to get an additional 2" of lift to stop the tires from rubbing.

[opnspaces]

not quite the same but my trailer can with steel wheels and load range C tires. The tires have a max of 50 PSI. I replaced the tires with D rated tires with a max pressure of 65 PSI and the same wheels. I now run 65 in my tires and have not had a problem for years.

I think what Capri racer is saying is the wheel manufacturers are not concerned at all about the PSI at those low ratings.