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Old 07-06-2021, 10:50 AM   #1
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Mixing tire brands

I am trying to find out if I have a problem mixing different steer brand tires. On our trip we had to have a front tire replaced. The only tire company that Coach Net could find that had our size tire Toyo M144 295/80R/22.5 was a Goodyear tire in the same size. Also, should I use the psi from Goodyear chart page 2 of the chart. https://www.goodyearrvtires.com/pdfs/rv_inflation.pdf or match the psi that I use for the Toyo tires?
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Old 07-06-2021, 12:02 PM   #2
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Generally you can get away with running different brands. Which is NOT the same as doing it correctly.
It can happen that different brands of the same size tire can be surprisingly different sizes and shapes. I have an old hot rod that has big fat tires under the back. Coopers fit fine, Goodyears in the exact same size don't fit and rub on the body. There can also be variations in rolling resistance and outside diameter. All mostly a concern to vehicles with all wheel drive and/or very sensitive ABS brake systems.

I have Sailuns on my steer axles, four Toyos on my drive axle, and two more Sailuns on my tag axle. None of which bother me in the least. But if I had a Sailun on the left and a Toyo on the right it would mean that I had just had a tire failure and was on the way to a tire shop to get a matching replacement tire or a matching pair if need be. Each of MY axles will always have tires that match from side to side. Always.
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Old 07-06-2021, 12:26 PM   #3
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Originally Posted by caninecop View Post
I am trying to find out if I have a problem mixing different steer brand tires. .....
How old are your tires?

Last year I daweremaged one of the drive tires. All six tires were 3 years old and the same brand.

I bought 2 tires that were a different brand because that is what they had and put them on the front.

I now have two new steer tires. One of the older front tires went to the rear and all match. The guy changing the tires asked me if I wanted to keep the other and I said yes. He then offered me $100.

These large tires often do a lot of damage when they fail. That is assuming you do not kill your family.

Yes tires tires are expensive but .......
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Old 07-13-2021, 02:40 PM   #4
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Quote:
Originally Posted by caninecop View Post
I am trying to find out if I have a problem mixing different steer brand tires. On our trip we had to have a front tire replaced. The only tire company that Coach Net could find that had our size tire Toyo M144 295/80R/22.5 was a Goodyear tire in the same size. Also, should I use the psi from Goodyear chart page 2 of the chart. https://www.goodyearrvtires.com/pdfs/rv_inflation.pdf or match the psi that I use for the Toyo tires?


IF I understand your post correctly you now have a GY tire in size 295/80-22.5 tire on your steering axle. IF that tire is their G670 RV tire, it is a blowout waiting to happen. There are multiple threads in at least 2 forums here on iRV2 about how bad that specific tire and size have been.
Please do your self a favor and research how many coaches have experienced catastrophic failures with that exact tire.
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Old 07-13-2021, 02:48 PM   #5
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Yes you can run different brands. I did it several times on front tires. At least one steering to wander, just did not seem 100% on.
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Old 07-14-2021, 08:11 AM   #6
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IF I understand your post correctly you now have a GY tire in size 295/80-22.5 tire on your steering axle. IF that tire is their G670 RV tire, it is a blowout waiting to happen. There are multiple threads in at least 2 forums here on iRV2 about how bad that specific tire and size have been.
Please do your self a favor and research how many coaches have experienced catastrophic failures with that exact tire.
Thanks for you post, after I read all the information on the board that I could find. I saw that the right steer tire failed most of the time. I contacted my tire dealer and will have the tire replaced tomorrow with a Toyo that will match the other Toyo's that I have on the RV. I feel that we lucked out driving the rig over a 1000 miles with the Goodyear tire. I am hoping that I can get another 50 mile out of it with no problem.
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Old 07-14-2021, 08:20 AM   #7
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Thanks for you post, after I read all the information on the board that I could find. I saw that the right steer tire failed most of the time. I contacted my tire dealer and will have the tire replaced tomorrow with a Toyo that will match the other Toyo's that I have on the RV. I feel that we lucked out driving the rig over a 1000 miles with the Goodyear tire. I am hoping that I can get another 50 mile out of it with no problem.
I think you have made a wise decision Glad I was of some help in warning RVers about those horrible tires, with which I have personal experience.
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Old 07-15-2021, 08:06 AM   #8
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Just before we left on the current trip I replaced my steers with Toyo 144 in a 315/80/22.5. For the first 1000 miles so far they have been great. Smooth ride, no pulling, and take bumps well. I am running them at 115 psi.

When it comes time to replace the drive tires they will be Toyo's as well.
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