Problems with 900 metric tires blowing bead - The Combine Forum
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post #1 of 34 (permalink) Old 11-13-2008, 10:27 PM Thread Starter
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Problems with 900 metric tires blowing bead

I know of 14 different combines that have the 900 metric tires and they blow the bead . These tires are not mounted on the heavy duty rim like a 35.5x32. My assumption is the rim is eating into the bead and weakening the wall. If they would mount the metric tire on the heavy duty rim I believe we wouldnt be having this problem.. Are there anyone else out there having this trouble? Goodyear will adjust the tires at about 40% of new tire price. I think we have a rim problem,not a tire problem.

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post #2 of 34 (permalink) Old 11-13-2008, 10:31 PM
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Re: Problems with 900 metric tires blowing bead

i'm guessing that you are dealling with the goodyear 900's i have seen several of these

if so, that tire is not rated for the weight needed to support a combine, head, and loaded grain tank.

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post #3 of 34 (permalink) Old 11-15-2008, 12:23 PM
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Re: Problems with 900 metric tires blowing bead

I've also heard of this happening. Those 900's are junk. I've seen ones that are 4 years old and they're completely shot- cracked sidewalls and beads, constant flats even with tubes, and Goodyear says take a hike, no warranty. 35.5x32's are much better. Haven't seen any trouble with them and they're very popular around here. But I really think large duals are the real answer. Better stability for wide headers and more floatation.
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post #4 of 34 (permalink) Old 11-15-2008, 12:36 PM
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Re: Problems with 900 metric tires blowing bead

I don't care for them because they don't have as large a footprint as 800/70R38's as they're
considerably shorter and on a dualled tractor creates excessive width, well, more so.

Don
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post #5 of 34 (permalink) Old 11-15-2008, 03:11 PM
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Re: Problems with 900 metric tires blowing bead

Gleaner had trouble with 800's busting out the sidewall about 10 years ago on the 2 series, and 10 years ago we couldnt get goodyears to stop power hopping on big 4wds. Went to Firestones on the newer 4wds we've bought, and run Firestones on the gleaners now. I'll pay extra for a Michelin before I ever run a goodyear again
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post #6 of 34 (permalink) Old 11-17-2008, 09:43 PM
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Re: Problems with 900 metric tires blowing bead

900's running on Combines with bin extensions with no problems. Some running the stock rims but they are all Michelin and Firestone no Goodyear. Sounds like your problem might be brand specific.
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post #7 of 34 (permalink) Old 11-17-2008, 09:49 PM
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Re: Problems with 900 metric tires blowing bead

I'll pay extra for the Michelins over any other tire brand....
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post #8 of 34 (permalink) Old 11-17-2008, 09:56 PM
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Re: Problems with 900 metric tires blowing bead

You need to beaware that most 900 tyres are in fact rice design tyres, meaning they are designed for mud and wet conditions. If these tyres are used for normal hard dirt with high loads as such with a harvester because the treads are so far apart they put the load back onto the bead causing cracks around the bead and also on the side wall where it isn't supported. Have seen this all combines we have sold, yet not one failure with 800/70R38 that are designed for the job. Sorry about the length of post but hope this helps
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post #9 of 34 (permalink) Old 11-17-2008, 10:03 PM
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Re: Problems with 900 metric tires blowing bead

Is there some way of agreeing with you without raising the price of Michelin tires?

Don
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post #10 of 34 (permalink) Old 11-17-2008, 10:04 PM
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Re: Problems with 900 metric tires blowing bead

They've already gone up enough this year as it is and enough people in the world agree with us that you can't get them right now at any price.

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