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Tire suggestions Teton fiver


Steve from SoCal

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I need tires for my new to me Teton Royal Atlanta, it weighs about 19K and has standard 16" wheels. It will be making a 1300 trip home and then sit for a while as I refresh it. I am looking for tires that will not be a problem on the delivery but, I am not looking for premium tire, I may eventually go to 17.5

 

Steve

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I realize there are no "cheap" tires, are Goodyear Marathon load range E tires OK? I recall several people having issues with Goodyear tires.

Steve,

 

We have ran the Goodyear Marathon tires on our Weekend Warrior for several years with good results. I know a lot of other folks with Toy Haulers who run them as well.

 

We went through a couple of other brand and series of tires when we first got the Toy Hauler and had issues.

 

For what it it worth,

 

John

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This tire business isn't making a whole lot of sense to me, here or on other threads. I was running 16.5's, 80 - 85 psi, somewhere around 3070 lbs per tire. X6 = 18420. Trailer is 22.5k, pin wt 20% or 4500 lbs which leaves 18k on 6 wheels. Granted that is close and doesn't allow for off balance left to rt etc.

 

The suspension was upgraded to 7k Moreryde IS with 6" x17.5's rated at 4800 lbs at 120 or 125 psi.

 

The Tire Guy as well a Kal Tire in Vancouver recommend somewhere between 110 and 120 psi ish.

 

Fast forward to the chart posted last week. Figure the wt on the trailer axles divide by 6 = 3000 lbs per wheel. Going by memory the tire pressure recommended was in the 75 - 85 psi area.

 

Is this not flying in the face of what is trying to be done, reducing sidewall flex?? We are running tires capable of 125 psi being run at 75-85 psi. That, in my opinion is like running 85 psi tires at 50 psi. Pretty much guaranteed to have sidewall flex and subsequent catastrophic failure.

 

What did I improve or accomplish by switching? At this point they are still at 110 psi. Has the whole purpose of going to H's not been defeated?

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I would vote for changing the tires and wheels only once. If you can manage to afford it get the 17.5 ties now. I can't see putting on cheap tires just to move it 1300 miles. You are basically throwing that money away if you are going to upgrade anyways. I did the upgrade about 1 1/2 years ago and have been quite happy with my Goodyear G114's and new rims.

 

If you want to read about the conversion look at Mark Bruss's website. He did a good job with the research and I ended up with the same tires and rims that he did. Thanks Mark.

 

Brad

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Fast forward to the chart posted last week. Figure the wt on the trailer axles divide by 6 = 3000 lbs per wheel. Going by memory the tire pressure recommended was in the 75 - 85 psi area.

 

Is this not flying in the face of what is trying to be done, reducing sidewall flex?? We are running tires capable of 125 psi being run at 75-85 psi. That, in my opinion is like running 85 psi tires at 50 psi. Pretty much guaranteed to have sidewall flex and subsequent catastrophic failure.

I understand it is confusing but the empirical data is that people with just enough tire load capacity tires running at Max Psi complain about the blowouts they have.

 

People with commercial trailer tires with significantly stronger sidewalls have more than enough tire load capacity can run with the tire pressure at a lower number than Max Psi and don't have blowouts.

 

There is a minimum pressure that inflates a tire to it size. Pressure, after that minimum, increases the tire load capacity as the tire is a fixed size. That range is where you can vary the pressure to fit the tire load capacity.

 

If you are using a tire that gets the desired tire load capacity at Max Psi, you have no pressure margin. When you use a tire that has a lot more tire load capacity than is needed, then you can run at a pressure that obtains the tire load capacity needed while the tire remains in its fully inflated size. You do not increase tire flex.

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After looking at the specs for the trailer it seems the axles are rated at 6000, unless I change the suspension I am limited by that feature. This is going to be my "trainer" fifth wheel, I want to be safe but, going to 17.5 wheels and tires seem redundant. The 16 tires I am looking at are rated at 3420~3670 per tire, that is 10% plus margin on the axle rating. I don't want to give the impression that I want to put cheap tires on it, I want to put suitable tires on it for the weight, I would also like to have 75 MPH rated tires.

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