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Old 11-24-2012, 04:37 PM   #1
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Smile Need Tires

I have a 1997 Beaver Montery 30ft diesel pusher. I bought it used and want to get her on the road again. It has Dynatrac 255/70/TOR22.5 radials on it and it rides poorly. They tire tread looks fair but the side walls have hair line cracks. I think that new tires would be money well spent. Since I need to change them I want to get the correct size for my coach. I do not know that the ones on there are the correct size and I am not familiar with Dynatrac as a tire.
Could someone give me a hint on what the correct size might be and point me at the best riding tires I could get? Some have said Goodyear rides good others say only Michelin, so I really get confused. Since these tires are very expensive I want to make the right choice, as I will have to live with them for quite some time.
John at RanchoT@msn.com
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Old 11-24-2012, 05:09 PM   #2
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There should be a sticker next to the driver's seat with tire size and (basic) inflation information. Appearance of RV tires isn't as important as the DOT age stamping. It is located right next to the rim/tire edge. It says DOT then numbers/letters. The last 4 digits is the date code. The first and second number (of last 4) is the week of manufacture, the last 2 digits is the year. So 2608 would be the 26th week of 2008. RV tires should be less than 6 years old if you're transporting human beings inside.

Poor ride could be due to over inflation. Get RV weighed (each axle and each side) then look up manufacturer's website to find inflation for that weight. Each side should be the same, the higher value of the heaviest side on that axle.
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Old 11-24-2012, 06:46 PM   #3
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Take a look and price out a set of Hankook AH12 tires. Hankook is a South Korean tire company that has been selling heavy duty truck tires in this country for about 20 years and they have a very favorable rating in the trucking industry. Also there are several reviews on this site, just search Hankook.
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Old 11-25-2012, 08:41 PM   #4
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Another very good source IMHO is Toyo. They are a Japaneze company. The M120Z tires come in 255/70R/22.5 size. Our friends have had those tires for abouit 3 years now, and love them. they say their coach rides considerably better now than with the Michelins that came on it new. Wehave toyos on ours, and are very happy with them.
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Old 11-25-2012, 09:03 PM   #5
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Also check out Sumitomo tires. I've been running Sumitomo 727 series for several years with excellent results.
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Old 11-25-2012, 09:10 PM   #6
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Quote:
Originally Posted by BFlinn181 View Post
There should be a sticker next to the driver's seat with tire size and (basic) inflation information. Appearance of RV tires isn't as important as the DOT age stamping. It is located right next to the rim/tire edge. It says DOT then numbers/letters. The last 4 digits is the date code. The first and second number (of last 4) is the week of manufacture, the last 2 digits is the year. So 2608 would be the 26th week of 2008. RV tires should be less than 6 years old if you're transporting human beings inside.

Poor ride could be due to over inflation. Get RV weighed (each axle and each side) then look up manufacturer's website to find inflation for that weight. Each side should be the same, the higher value of the heaviest side on that axle.
Also, remember that tires before 2000 only had three digits, the first two were the week, the last one was the last digit of the year.
Probably not applicable if the tires have been replaced .
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Old 11-25-2012, 09:49 PM   #7
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i would go back with what you had as the TMC may now be set for the size and they installed them on the RV to get better MPG my rv is setup the same way
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Old 11-26-2012, 09:27 AM   #8
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Question Additional tire question

Does anyone know what the original tire size was for a 1997 Beaver Montery 30ft motorhome?
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Old 12-01-2012, 08:45 PM   #9
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Check with simpletire.com
Just got 6 Goodyear tires for 1800 shipped. 265/75/22.5
Cost 280 to get mounted and balanced
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