2006 Mobile Suites 36TKS too much weight

[Cummins12V98]

Dan you really don't want to deal with inferior tires. Be pro active on this. I changed my GY G's out for Alcoa 17.5" and GY H tires from trailertiresandwheels and well like Rusty.

I like GY tires on my RV's. Earlier ones like what came on Rusty's were prone to fail. Since 07 and newer they have been very trouble free.

The GY G's that came on our 07.5 never had a problem and the spare never hit the road. We changed in late summer 12 to the above 17.5" combo.

GY is the only one out there that will pay for damages.

I like Michelins on my trucks.

Contact your dealer and start off right with the proper tires!

 

[RustyJC]

GY is the only one out there that will pay for damages.

I like Michelins on my trucks.

Contact your dealer and start off right with the proper tires!

I'm really conflicted on this (and, yes, years ago I was a dyed-in-the-wool Goodyear customer). You may well be right - Goodyear has paid for all the tire failures on all of my 5th wheels, but on the other hand, the only tires that have failed on my 5th wheels have been Goodyears (Marathons and G614s). I've never had a problem with the Michelin XPS Ribs or XTAs that I replaced my Goodyears with. To me, the question was, "Do I want a tire whose manufacturer will pay for tire failures, or do I want a tire that (in my experience) doesn't fail in the first place?" I pulled out my checkbook and voted for the latter.

Rusty

 

[DAN V]

Dan you really don't want to deal with inferior tires. Be pro active on this. I changed my GY G's out for Alcoa 17.5" and GY H tires from trailertiresandwheels and well like Rusty.

I like GY tires on my RV's. Earlier ones like what came on Rusty's were prone to fail. Since 07 and newer they have been very trouble free.

The GY G's that came on our 07.5 never had a problem and the spare never hit the road. We changed in late summer 12 to the above 17.5" combo.

GY is the only one out there that will pay for damages.

I like Michelins on my trucks.

Contact your dealer and start off right with the proper tires!

I will contact them with this info. thanks.

 

[DAN V]

I think IIRC that the center caps on the wheels are Vision wheels. I am not 100% sure but I think I remember seeing that.

 

[DAN V]

Goodyear Marathons

Just got an email from dealer and the last time the y replaced tires the used GY Marathons.

 

[RustyJC]

I've never heard of Marathons being used under a MS. Even the early Mobile Suites with 7K Dexter axles used the Load Range G LT235/85R-16 G614 RST Goodyears rated 3750 lbs per tire.

Do yourself a favor - check the GVWR/GAWR sticker at the road side front of the MS (mine is on the pinbox). If the sum of the tire sidewall maximum loads are not equal to or greater than the GAWR for the axle on which they're installed, then you have a comeback to the dealer. They must install tires adequate to carry the manufacturer's GAWR shown on that sticker.

Rusty

 

[MelvinPierce]

I'd suggest giving Scott at Trailer Tires and Wheels a call. He can supply you with the complete package - wheels, tires (your choice of a number of brands, including GY and Michelin), lug nuts, center caps all mounted and pre-balanced shipped to your door. A lot of us heavy 5th wheel owners have bought 17.5" wheel and tire packages from him.

Rusty

I did THIS! Put the 17.5's on my 3 axle toyhauler. Alcoa wheels to fit the 16" hubs. Overkill, but being trucking company owner, having too much tire is a GOOD THING! Over 10,000 miles now, not a lick of a problem.

Also, when you put new tires on, I suggest taking it to a semi trailer alignment shop, and get the axles aligned, and wheels balanced. It will get you many more miles wear out of those tires.

 

[AH64ID]

The 235/80R16 LRE Marathons are rated for 3420@80, so they are close to working on a 7K axle.

Both of my TT's have had marathons and they have been great, only ever had two flats in 6 seasons and both where from some very sharp rocks (rough dirt roads) on the LRC's on my old TT. The current LRD's have been flawlass with 2 seasons and many dirt road miles. I have about 6,700 miles on the current set of 6 (2 axles, 2 spares and I rotated the spares in each spring).

 

[RustyJC]

The 235/80R16 LRE Marathons are rated for 3420@80, so they are close to working on a 7K axle.

Close, in this case, only counts in horseshoes and nuclear war. They don't add up to 7K, so they are legally inadequate insofar as load capacity is concerned. If the OP wants to accept them, that's his decision, but I wouldn't.

The Marathons may work fine on a lighter TT, but Mobile Suites are HEAVY 5th wheels. As I said, the lowest rated tire they came with was the G-rated G614s, and the 8K GAWR-rated axles came with the 17.5s.

Rusty

 

[NIsaacs]

I noticed on the above tire/wheel web site, the stud piloted 17.5 Alcoa's are only rated 3500# and the Michelin tires are only speed rated for 62 MPH. The hub piloted Alcoa's are rated 6k so they are good for 235/75Rx17.5 H also at 6k. I have the steel hub piloted 17.5 wheels also rated for 6K on my flatbed with 4800# rated 215/75Rx17.5 H tires made in China but all steel construction. However a flatbed can survive a flat damage that an RV can't. I also don't like center caps on a trailer, you can't check spindle temps. I have 2 years on mine, so far so good.

Nick

 

[RustyJC]

I didn't use the Alcoas - I used the 4850 lb rated Hi Spec Series 03 aluminum wheels for the 9/16" studs on my 7K axles. The Michelins are rated 62 MPH because they are a European tire where the truck speed limit is 100 km/hr (~62 MPH). Many heavy 5th wheels used the Michelin XTAs as OEM tires, and I don't know of any speed related failures - I tow at 65 MPH on the Interstate with an occasional excursion to 70 MPH or so where passing is required, and I've run the XTAs since 2010 with no problems. They are only running at about 65% of their load rating, so they run quite cool even on 100+ degF days on I-10 in West Texas.

The 215/75R-17.5 size is popular because its diameter is about 1/2" less than the LT235/85R-16 tires that are widely used on heavy 5th wheels, so the 17.5s will fit anywhere the 235/85R-16s fit.

If you don't like the XTA's 62 MPH speed rating, then go with Goodyear G114s or some other tire such as the Sumitomo or Cooper which they also offer.



Rusty

 

[AH64ID]

Close, in this case, only counts in horseshoes and nuclear war. They don't add up to 7K, so they are legally inadequate insofar as load capacity is concerned. If the OP wants to accept them, that's his decision, but I wouldn't.


Rusty

Since when does DOT look at the sticker? My understanding is they look at the tire rating?

Not trying to argue to keep tires rated less than axles, just asking the legal question.

Extra heavy tires are not a bad thing, look at my sig .

Aren't most trailer tires rated at 65?

Just to clarify you don't see an issue running over a tires rated speed (by 4.8% at 65) , but having a tires rated for 2.3% different than the sticker (not actual, unlike speed) isn't acceptable. Just checking the logic on which things need to be followed, and which don't.

 

[RustyJC]

This is an industry standard requirement. Replacement tires must not be rated less than the OEM tires. HERE is one manufacturer's statement regarding replacement tire load capacity.

AFAIK, the DOT doesn't look at ANY tires on privately operated RVs, so that's a red herring.

Rusty

 

[RustyJC]

Tell ya what, bud. You do whatever you want to do, and I'll do the same. OK??? Sounds like, as usual, you just want to argue to hear your jaws rattle.

Rusty

 

[AH64ID]

Tell ya what, bud. You do whatever you want to do, and I'll do the same. OK??? Sounds like, as usual, you just want to argue to hear your jaws rattle.

Rusty

I'm just asking a question, you mentioned legal recourse. So what is the legal recourse? I am not disagreeing with better tires, as I have stated. I also don't disagree with the link you posted, but none of that has any legal recourse.

If your going to post something like that you should be able to back it up, without being a dick. Don't get defensive, I am not disagreeing with you, simply asking for proof. Not because I don't believe you, I just haven't seen it and whats wrong with a little education on fact/law.

 

[RustyJC]

OK, from a tire engineer on iRV2.com:

However DOT/NHTSA tire selection per the FMVSS which says this about OEM tire selection process;
..."the sum of the maximum load ratings of the tires fitted to an axle shall be not less than the gross axle weight rating (GAWR) of the axle system as specified on the vehicle's certification label required by 49 CFR part 567."

You can look up the referenced government statutes and standards if you wish. If the vehicle certification label says 7K GAWR, then 6840 doesn't meet the requirement above.

Rusty

 

[AH64ID]

Thank you for the link. It also gives the OP something to take to the dealership.

 

[Cummins12V98]

Just got an email from dealer and the last time the y replaced tires the used GY Marathons.

Are you saying they installed GY Marathons on your DRV?

If so you won't make it 100 miles before they blow.

Seriously do what I suggested earlier.

 

[Cummins12V98]

Close, in this case, only counts in horseshoes and nuclear war. They don't add up to 7K, so they are legally inadequate insofar as load capacity is concerned. If the OP wants to accept them, that's his decision, but I wouldn't.

The Marathons may work fine on a lighter TT, but Mobile Suites are HEAVY 5th wheels. As I said, the lowest rated tire they came with was the G-rated G614s, and the 8K GAWR-rated axles came with the 17.5s.

Rusty

My axles are stamped 7,500#. They had 9/16" studs so I changed out to 5/8" and went with the properly rated 17.5" Alcoa's. Now I have the hub centric wheels and the washer clamping type lug nuts instead of the tapered nuts.

Marathons may support the empty RV weight but the dealer is trying to pull a fast one!

 

[RustyJC]

My axles are stamped 7,500#.

What does your vehicle certification label on the pin box say for GAWR? Just curious because mine says 7K per axle (GVWR is 16K) and the axles have 9/16" studs. I thought the 8K Dexter axles had 5/8" studs, and I'd never heard of anything from Dexter other than the 7K and 8K - IOW, I didn't know Dexter made a 7500 lb axle. Or maybe yours has the Mor-Ryde independent suspension??

That was my point as well with the Marathons - they aren't suitable for a MS.

Rusty