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Old 07-14-2013, 09:20 PM   #21
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I wonder if all the blow out are a tire rated at 65 and loading to the max. Then running 65 miles per hour for hours on end. After seeing the trailer last weekend . And pulling a deformed tire off my trailer. For safety we needed some better tires. Thanks for all the input and help. I believe the Kumho 857 is the only one I have seen with a speed rating over 65.

The Maxxis is rated for 99 mph, but it looks like the Kumho has a better load rating if it is a D-rated tire. The Maxxis in that size are only C-rated.
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Old 07-14-2013, 10:40 PM   #22
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Trailer Load/Inflation Chart on this page is pdf file. it state that 65 max speed
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Old 07-14-2013, 10:46 PM   #23
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Trailer Load/Inflation Chart on this page is pdf file. it state that 65 max speed
This has already been posted, but for your reading enjoyment:

Bobby,
The spped rating on for the Maxxis M8008 ST Radial is "Q", which is 99 MPH. However, according to the Tire and Rim Association the inflation pressures and load specifications in general for all ST Radial trailer tires, regardless of the manufacturer, are designed and rated at 65 MPH. If the speed is higher than 65 MPH, the pressure and load need to be adjusted according to the following guidelines:
From 66 to 75 MPH – the tire inflation pressure needs to increase 10 PSI (not to exceed the maximum PSI the tire is rated for) but requires no load adjustment.
From 76 to 85 MPH – the tire inflation pressure needs to increase 10 PSI (not to exceed the maximum PSI the tire is rated for) and load should be reduced by 10%.
We hope this information is helpful. Thanks for your email and interest in Maxxis Tires.
Best Regards,
The Maxxis Support Team
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Old 07-14-2013, 10:52 PM   #24
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This has already been posted, but for your reading enjoyment:

Bobby,
The spped rating on for the Maxxis M8008 ST Radial is "Q", which is 99 MPH. However, according to the Tire and Rim Association the inflation pressures and load specifications in general for all ST Radial trailer tires, regardless of the manufacturer, are designed and rated at 65 MPH. If the speed is higher than 65 MPH, the pressure and load need to be adjusted according to the following guidelines:
From 66 to 75 MPH – the tire inflation pressure needs to increase 10 PSI (not to exceed the maximum PSI the tire is rated for) but requires no load adjustment.
From 76 to 85 MPH – the tire inflation pressure needs to increase 10 PSI (not to exceed the maximum PSI the tire is rated for) and load should be reduced by 10%.
We hope this information is helpful. Thanks for your email and interest in Maxxis Tires.
Best Regards,
The Maxxis Support Team
Would that only be for the 15 and the 16 inch tires. Thats the only ones that show the higher air pressure. Thanks for the help.
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Old 07-14-2013, 11:00 PM   #25
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Would that only be for the 15 and the 16 inch tires. Thats the only ones that show the higher air pressure. Thanks for the help.
No, I would think it is just load related. So if you weren't at max load, you could still drive faster than 65 mph with the 14 inch tires.
But, like I said before, driving at the upper limits of any tire is probably not the best idea. You can do it, but would you really want to?
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Old 07-14-2013, 11:04 PM   #26
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No, I would think it is just load related. So if you weren't at max load, you could still drive faster than 65 mph with the 14 inch tires.
But, like I said before, driving at the upper limits of any tire is probably not the best idea. You can do it, but would you really want to?
Thanks for all the help.
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Old 07-16-2013, 05:32 PM   #27
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Well we ordered the Kumho 857. Thanks for all the advice. After do some looking seems to be a good tire. High priced but a good tire. Thanks for all the help
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Old 07-16-2013, 05:40 PM   #28
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Well we ordered the Kumho 857. Thanks for all the advice. After do some looking seems to be a good tire. High priced but a good tire. Thanks for all the help
I think you made a good choice. They may not be cheap, but would you really want CHEAP tires on your rig? Me neither.
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Old 07-18-2013, 09:15 PM   #29
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Received my tires today. If they work as good as the look. I believe it make the trailer handle better. After looking at the tire problem. I should have did the tires before upgrading the hitch. I not sure that wasn't a lot of the swaying problems. But time will tell on the tires. Hoping for a good life span.
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Old 07-18-2013, 10:31 PM   #30
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Well we ordered the Kumho 857. Thanks for all the advice. After do some looking seems to be a good tire. High priced but a good tire. Thanks for all the help
What do you consider expensive? Being in Canada everything is expensive in comparison to the US.
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