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Old 08-04-2014, 07:36 PM   #641
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For my 2014 23D.....I'm looking at the Sendel T03SM 15x6 5-4.50 114.3 trailer wheels to replace the 14s.

It looks like Michelin offers this model 15 inch tire: Michelin LTX M/S 2 P235/75R15 108T XL W. I've run the 16 inch Load Range "E" version of the LTX M/S on trucks and on my 2013 AS International 19.

Has anyone had experience with the Load Range "XL" version. I'm wondering how this might differ from the Load Range "E" version of the LTX M/S?

I also noticed that the 15s have a "P" designation instead of "LT".
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Old 08-04-2014, 08:15 PM   #642
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I run the p235xl 15 inch LTX tires on my 25 foot trailer and load range E Michlen tires on my truck. They do not compare at all. Load range E is a very heavy tire that goes to 80 psi. The XL tires best compare to a load range C and max out at 50 psi. Derated for trailer use the p235's are good to 1985 lbs at 50 psi. Previously Michlen made a load range C LT tire in 15" size but dropped it. I suspect the XL tire is very similar to the former LT tire in construction.
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Old 08-04-2014, 08:48 PM   #643
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I used the Michelin LTX (P) 235/75R15 XL tires (2,183 pounds @ 50 psi derated to 1,985 pounds 28.9" 4 x 1985 = 7,940 pounds 4 x 2,183 = 8,732 pounds) on the factory rims on my 2013 25FB International Serenity. The tire gives that trailer an amazing increase in tread patch contact on the road for better braking than the ST tire. The Michelin tires were supporting about 5,900 pounds when the 25FB trailer was loaded for camping. The 25 series have a 7,300 pound GVW and the 27/28 series have a 7,600 pound GVW. The 15" Michelin would work on either series.

Click in "Images" below my avatar and see the low mileage (drive from Los Angles dealership to storage unit in Phoenix area) ST tire beside the newly mounted 15 " Michelin tire and well as the low milage tire ST tire from the Classic (factory in Ohio to Phoenix dealership) next to a newly mounted 16" Michelin LT225/75R16/E LTX M/S2 tire on a SenDel T03-66655T aluminum wheel.

Note that the apparent difference in height between the GoodYear ST and Michelin tires is in the diameter, the trailer height is ½ of that difference.

Goodyear 15" ST diameter 28.3"
Michelin 15" Diameter 28.9"
Michelin 16" Diameter 29.2"
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Old 08-05-2014, 10:22 AM   #644
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I'm wondering if I'd see a significant benefit in purchasing new 15 inch wheels and Michelin LTC LR "XL" tires to replace the original 14 inches ST LR "C" tires my 23D.

My primary concern are: tires more suitable for hot weather and rough roads and less propensity for blow outs (than Goodyear Marathons).

I liked the 16" LTX M/S on my International 19 because they were durable and could be aired up to 77-80 pounds for additional cooling benefits.
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Old 08-05-2014, 11:50 PM   #645
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The Michelin LTX (P) 235/75R15 XL tires on the factory 15" wheels were more than adequate for our 2013 25FB International Serenity with GVW of 7,300 pounds and loaded axle weight of around 5,860 pounds camping ready and tongue weight if 1,175 camping ready. We were carrying an average load of 1,465 pounds per tire.

The GVW of a 23' Airstream is 6,000 pounds, which means at the most the axles would be carrying 5,500 pounds of load and more typically would see under 5,000 pounds on the tires. That implies an average tire load of around 1,250 pounds with a maximum value of 1,400 pounds per tire against a 1,985 derated load capacity. That means the tires could be loaded somewhere between 63% and 71% of their capacity with a fully loaded camper.

That is more than load enough margin.

My Michelin LT225/75R16/E LTX M/S2 tires mounted on 16" SenDel wheels are running at 84% of capacity. The factory GoodYears are at 89% of capacity. I get 5% more reserve capacity with the larger tires due to the higher weight rating (2,680 pounds at 80 psi versus GoodYear 2,540 pounds at 65psi).

Neither Michelin tire has a speed limitation of 65 mph like the ST tires have. You can read that that restriction on the sidewall of the ST tires.
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Old 08-13-2014, 11:26 AM   #646
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I had a set of Michelin LT235/75R15 XL LTX M/S2 tires mounted on Sendel T03BM 15x6 5-4.50 wheels installed on our 2014 International 23D.

Spin balanced, metal valve stems and new lug nuts all around (some of the originals were already cracked).

Wow......I'm blown away by the difference in ride quality, maneuverability and braking (larger contact patch).

And the 1.125 inches increased ground clearance is fantastic. It went from 7 to over 8 at the water tank drain petcock (why they ever put it there I'll never know).

I would highly recommend this upgrade to anyone with a 23 foot A/S running 14 inch GYMs.

The guys at America's Tire were fantastic (my second A/S upgrade there). They'll even test your torque wrench on their torque wrench calibrater.
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Old 08-13-2014, 02:24 PM   #647
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Quote:
Originally Posted by interstateflyer View Post
I had a set of Michelin LT235/75R15 XL LTX M/S2 tires mounted on Sendel T03BM 15x6 5-4.50 wheels installed on our 2014 International 23D.

Spin balanced, metal valve stems and new lug nuts all around (some of the originals were already cracked).

Wow......I'm blown away by the difference in ride quality, maneuverability and braking (larger contact patch).

And the 1.125 inches increased ground clearance is fantastic. It went from 7 to over 8 at the water tank drain petcock (why they ever put it there I'll never know).

I would highly recommend this upgrade to anyone with a 23 foot A/S running 14 inch GYMs.

The guys at America's Tire were fantastic (my second A/S upgrade there). They'll even test your torque wrench on their torque wrench calibrater.
After much, much research on this wonderful forum, and discussions with fellow Airstreamers, I'm getting exactly the same tires for my 25' Caravanner next month, and at Discount Tire, which you know is the corporate sister to America's Tire here in the Intermountain West. I've been buying tires from them for twenty years. Glad to know you are so pleased with the Michelins. I'm looking forward to them, and the increase in ground clearance.
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Old 08-14-2014, 11:10 AM   #648
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interstateflyer you might also want to consider adding 200-221 Special - (6 bolt) Airstream Trailers - they dynamically balance the wheel/hub/brake/axle assembly. See Video-How-Centramatic-Balancers-Work - Centramatic Wheel Balancer, Tire Balancers for DFW Trucks

I put them on both my AS and TV.
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Old 08-14-2014, 11:18 AM   #649
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interstateflyer you might also want to consider adding 200-221 Special - (6 bolt) Airstream Trailers - they dynamically balance the wheel/hub/brake/axle assembly. See Video-How-Centramatic-Balancers-Work - Centramatic Wheel Balancer, Tire Balancers for DFW Trucks

I put them on both my AS and TV.
I've heard people reference the Centramatics. Where do you see a noticeable difference in towing when using them?
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Old 08-14-2014, 11:59 AM   #650
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I've heard people reference the Centramatics. Where do you see a noticeable difference in towing when using them?
You won't if your running gear is balanced. They were designed for the trucking industry who put huge mileage on the rigs. A "just-in-case" item for us, unless perhaps you are putting on big mileage.

We don't use them on our trailer because the Never-Lube bearing manufacturer says you must not have any wheel offset with their bearing. The Centramatics offset the wheel the thickness of their mounting plate, not much but it can be seen as the other side of the "just-in-case" coin.
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Old 08-14-2014, 02:26 PM   #651
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You won't if your running gear is balanced. They were designed for the trucking industry who put huge mileage on the rigs. A "just-in-case" item for us, unless perhaps you are putting on big mileage.

We don't use them on our trailer because the Never-Lube bearing manufacturer says you must not have any wheel offset with their bearing. The Centramatics offset the wheel the thickness of their mounting plate, not much but it can be seen as the other side of the "just-in-case" coin.
We have some customers that have added them to the never-lubes, and have reported that everything was fine.

To some degree, I find fault with some of the things Dexter promotes.

They, as an example say that their torsion axles don't need shocks.

But, they indeed put them on the axles that they sell to Airstream, or else.

Makes me then seriously question the validity of their statement about the Centramatics being used with their never-lubes.

I would also be amazed if Dexter has ever tested that set up.

Dexter is a great company, but some of their old old timers should take a much needed refresher course in Physics. Quite well, they then would change some of their ideas.

Andy

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Old 08-14-2014, 02:35 PM   #652
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You won't if your running gear is balanced. They were designed for the trucking industry who put huge mileage on the rigs. A "just-in-case" item for us, unless perhaps you are putting on big mileage.

We don't use them on our trailer because the Never-Lube bearing manufacturer says you must not have any wheel offset with their bearing. The Centramatics offset the wheel the thickness of their mounting plate, not much but it can be seen as the other side of the "just-in-case" coin.
I should have also added that Dexter says welding a shock bracket on the torsion arm, can void the warranty.

But, supervised laboratory tests should that the temperature of the square shaft was raised 16 degrees, when that welding took place.

If that amount of heat did any damage to the rubber rods, then I think Dexter might also say, NEVER tow a torsion equipped trailer in the desert during the summer, as that heat could ruin the rubber rods.

So much for scare tactics.

Andy
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Old 08-16-2014, 02:44 PM   #653
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The thickness of the Centramatics that slip over the studs (between the brake drum and the wheel) is about 1/16". One thing I did notice was that after installing them both on my AS and TV, it requires re-torquing the wheels several times over about 500 miles of driving. Not a big deal, but it must be done.
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Old 08-16-2014, 03:06 PM   #654
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I've had them on my never lubes for about 12k miles. So far, no problem.
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Old 08-17-2014, 08:47 AM   #655
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I have used Centramatic wheel balancers on both Gold Wing motorcycles for years and no longer need to have the wheels balanced (since they are smaller tires and wheels with less mass).

I installed them on both Airstreams and the truck. It helped the Dodge steering some. Anything to reduce vibration inside the trailer is a good thing and the cost was minimal ($199).
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Old 08-17-2014, 03:44 PM   #656
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I have decided I like Michelin tires for a silly reason.
I think it's funny that the Michelin Man is embossed on the sidewall. I noticed it first on our daughter's Chevy Equinox and then on Jannie and Billy's Interstate.
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Old 10-16-2014, 08:03 PM   #657
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I want to give a shout-out recognizing Tredit Tire and Wheel regarding the purchase of my new Sendel 16" T03 Wheels

I have been communicating with Matt Agee at the Lenexa, KS Tredit Store for a couple of years. Last Friday, I was finally ready to buy the six aluminum wheels for my 34' trailer plus one steel wheel for the spare, so I contacted Matt about ordering the wheels. Matt didn't have these particular wheels at his store right now, so he checked the inventory at the other Tredit Stores and found that the Plant City, FL store had them in stock. He sent me an email stating that Plant City had the wheels in stock and he copied the folks in Plant City. I then contacted Jenny Roundtree in the Plant City store (888-664-6656) to order the wheels. Jenny immediately sent a written quote on the wheels and shipping so I placed the order. The wheels shipped from Florida on Monday (Fed-Ex Ground) and this evening (Thursday), they're sitting in my garage waiting to have the tires mounted.

From my experience, the Tredit folks are an excellent source for wheels with great prices and service!

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Old 10-18-2014, 02:50 PM   #658
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Brian, when you got your newest Airstream, did you order it with 16" wheels and Michelins? Maybe you already answered with elsewhere, but I can't recall.

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Old 10-18-2014, 04:11 PM   #659
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Brian, when you got your newest Airstream, did you order it with 16" wheels and Michelins? Maybe you already answered with elsewhere, but I can't recall.

Gene
Since we got New Lucy off the dealer's lot, we got her with the OEM 15" Marathons. We plan to take her to Jackson Center and get her a set of 16" wheels with the Michelin LTs.

Old Lucy was towed 121,000 miles. The last 66,000 miles were on the same set of 16" Michelin LTs. Her first 55,000 miles ate up the OEM Marathons and two sets of Maxxis STs. I would have been way ahead if I had gone to the 16" Michelins early on.

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Old 10-18-2014, 05:12 PM   #660
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Since we got New Lucy off the dealer's lot, we got her with the OEM 15" Marathons. We plan to take her to Jackson Center and get her a set of 16" wheels with the Michelin LTs.

Old Lucy was towed 121,000 miles. The last 66,000 miles were on the same set of 16" Michelin LTs. Her first 55,000 miles ate up the OEM Michelins and two sets of Maxxis STs. I would have been way ahead if I had gone to the 16" Michelins early on.

Brian
Brian...You may save a considerable amount of $ buy purchasing the LTs and Sendel T03s from American Tire/Discount Tire.
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