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Old 02-16-2012, 02:23 AM   #11
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Originally Posted by Iggy View Post
Good to hear from you both.
How has your new tires been doing?
I have 5,800 miles on my Duro and they are still look great.

What tires and size did you get just in case for future reference.
Hi John, the tires have done +-13000kms and look great, they are E rated which is a huge overkill for a 9000lb trailer, or is it? Considering that a lot of the posts about tire failure are about C rated tires that tells me that they were not up to the job on my RV even though FR think they were.

Your post highlights how critical it is to care for tires, and in a perfect world C rated tires should work, however, scrubbing a kerb, hitting a pothole or rock, poor road surface, slightly under inflated, uneven loading of the trailer, sun and/or side wind on one side all day, all add more factors to the critical equation. IMO overkill raises the blow out level.

The Chinese stamp a max load rating on the wall of a tire, does anyone know how this is determined, I'll bet with a machine rolling back and forth with a predetermined load in lab conditions but without all the extra factors I mentioned above.

Buy a Skill, Makita, Bosch, De Walt, drilling machine and it will last for years, buy a cheap Chinese one and you will be rucky it will last a season!

Nigel & Bev
Brit Driver & Canadian Naviguesser
We summer in Maple Bay BC Canada & winter in Monchique Portugal

2011 Rockwood Signature Ultra Lite 8280ws 2011 Dodge Ram 3500 4x4 Diesel
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Old 02-22-2012, 09:23 PM   #12
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The load rating of a tire be it A, B, C, D E is an industry standard.I am not an engineer but play one on the internet. The load range is determined by the construction of the tire in terms of number of plys and so forth as well as the size. Many of These are American companies who have tires built in China, some are Chinese companies of course.

Tire pressure is key to the longevity of the tire as Iggy mentioned on the original post. I have only lost boat trailer tires to failure and was due to hub bearing issues primarily. For what it is worth I only run radial tires on all our trailers.

Bob, Tonya and the kids
11 Rockwood Roo 233S
08 Grady White Seafarer 228
08 Tundra 5.7 liter 4x4 crew cab TRD limited
08 Toyota limited 4 Runner Iforce V8 full time 4WD, tow package
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Old 02-23-2012, 05:26 AM   #13
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Here is a quick question, my new unit has the NitroFill tires, do you just put air in them? If there is any real benefit to the nitrogen fill, I do not want to deminish that benefit, but I do not want to travel halfway across the country to get nitrogen either.
2011 Ram Truck 2500, Crew Cab, 6.7L CTD, 4X4, 3.73 Rear
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Old 02-23-2012, 06:07 AM   #14
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There are mixed opinions about Nitrogen filled tires and I don't believe there is anything conclusive that its helpful. In fact, I think its a marketing scam.

Regular compressed air is about 78% nitrogen so I use that.

DW, 3 Kids and our Goldens

2012 Shamrock 233S
2008 Toyota Sequoia 5.7L 4WD
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