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-   -   What is the deal with crap tires? (MFG date code of 13) (https://www.offshoreonly.com/forums/trucks-trailers-transportation/339174-what-deal-crap-tires-mfg-date-code-13-a.html)

ben 07-12-2016 11:23 AM

I bought my 1992 boat in 2014 with the original tires, stored since day 1 in the guys heated garage and only towed 100yds away to the boat ramp or 5 miles to the marina for maintenance. with only 134 original hours on the boat I imagine there was less than 1000 miles on them. I put about 1000 miles on them in the next month before one broke a few belts and got egg shaped and I replaced all 4. I thought that was quite impressive for a 22 year old tire and i'll be happy if my new tires are that durable. I keep the boat in a heated shop now and set the axles on jack stands during the winter.

08 fastech 292 07-12-2016 01:01 PM


Originally Posted by Sydwayz (Post 4458684)
You are storing it right, that's for certain, but likely the original stint was what weakened them. They were likely stored on grass or something else that allows the moisture to wick into only contact portions of the tire, enabling separation. That, and not being protected from the sun/UV rays is also bad juju.

IF it were me, I'd do one of two things:
Upgrade to 16" wheels and 16" trailer tires that still fit under the fenders. The more wheel you have, and the more diameter you have, the less heat you have.
If you cannot upgrade to 16" setups, just replace everything with Maxxis brand ST trailer tires. They are far and away the best ST trailer tire on the market. They are the ONLY ST trailer tires I run.

Agree 100% on the Maxus tires. I put them on 3 years ago and they still look new.

Dave

SKammeraad 07-12-2016 01:10 PM

i will be putting light truck tires on my trailers due to the fact that ive heard many people run them for much much longer and have no issues with them. ive gone through numerous sets over the years on my car trailer and those were all trailer tires. all of them have lasted no more than 3-4 years before blowing out.

Sydwayz 07-12-2016 01:37 PM


Originally Posted by kammi (Post 4458819)
i will be putting light truck tires on my trailers due to the fact that ive heard many people run them for much much longer and have no issues with them. ive gone through numerous sets over the years on my car trailer and those were all trailer tires. all of them have lasted no more than 3-4 years before blowing out.

Right, but you have to run at least 16" wheels to do this, and have the clearance for the tires.
Every Myco I have ever seen has come with LT tires on it. I run LT tires exclusively on my Myco/big boat trailer.

Heat is your enemy when it comes to towing & tires. The more diameter you can run, the more you can reduce heat.

Wasted Income 07-12-2016 01:45 PM

I just switched to load range G commercial truck tires on my myco. Goodyear G614 RST.

They are expensive at around $350 each, but man are they heavy duty....and they are way overkill for my needs, which is how I like to roll....so to speak.

I also got a killer deal on them, which helps. I doubt my cheap ass would have shelled out $1500 for trailer tires for a trailer that only sees a couple thousand miles per year.

Questofpower 07-12-2016 07:32 PM

I too have Goodyear G614 Load Range G tires and yes they are expensive even for me and I have an in on them. The thing to remember is yes they are heavy duty but you need to have a rim that is capable of the increased air pressure to get any benefit out of them. Load range G LT235/85R16's can be inflated to 110psi, normal load range E tires can only be inflated up to 80PSI most trailer rims are only good to 80PSI. Meaning you can buy load range G tires but you max carrying capcity does not change.

Sidenote there are other less expensive 16" load range G tires, you will have to ask for them specifically but you can find them look for names like gladiator (the QR35 is better than the QR25 IMHO) and Samson.

Sydwayz 07-12-2016 08:05 PM


Originally Posted by Questofpower (Post 4458961)
I too have Goodyear G614 Load Range G tires and yes they are expensive even for me and I have an in on them. The thing to remember is yes they are heavy duty but you need to have a rim that is capable of the increased air pressure to get any benefit out of them. Load range G LT235/85R16's can be inflated to 110psi, normal load range E tires can only be inflated up to 80PSI most trailer rims are only good to 80PSI. Meaning you can buy load range G tires but you max carrying capcity does not change.

Sidenote there are other less expensive 16" load range G tires, you will have to ask for them specifically but you can find them look for names like gladiator (the QR35 is better than the QR25 IMHO) and Samson.

G-rated Trailer Tires were discussed on another thread recently. My concern with them is I don't believe our 5200 -8000 lbs. axles and the like are designed to carry that kind of rotating mass. If you hit a bump at speed with that kind of weight; I feel as though springs (both torsion & leaf) could be at risk.

I don't see the need for G-rated trailer tires unless you are running a tandem-dually type of trailer akin to a semi-trailer's axle capacities.

Questofpower 07-13-2016 05:30 AM


Originally Posted by Sydwayz (Post 4458979)
G-rated Trailer Tires were discussed on another thread recently. My concern with them is I don't believe our 5200 -8000 lbs. axles and the like are designed to carry that kind of rotating mass. If you hit a bump at speed with that kind of weight; I feel as though springs (both torsion & leaf) could be at risk.

I don't see the need for G-rated trailer tires unless you are running a tandem-dually type of trailer akin to a semi-trailer's axle capacities.

You certainly bring up a good point. I have no idea what the axles/spindles are capable of. Just for refreance a Goodyear G614 LT235/85R16 weighs 58lbs a Firestone Transforce HT (one of my favorite trailer tires) weighs 40lbs. Load range E tires in this size can carry 3042lbs at 80PSI, load range G is 3750lbs at 110psi.

I have 7000lb axles not that I have that much weight on them, but the load range E's just do not have enough capacity to match the axle.

thirdchildhood 07-13-2016 06:52 AM

I also had serial tire failure a couple years ago. 3 of the 4 tires blew out and the 4th had wires protruding. I replaced them with a slightly larger tire with higher load capacity and keep them at max inflation. Hopefully they will last longer. Both sets are Marathons.

JRider 07-13-2016 08:12 AM


Originally Posted by thirdchildhood (Post 4459095)
I also had serial tire failure a couple years ago. 3 of the 4 tires blew out and the 4th had wires protruding. I replaced them with a slightly larger tire with higher load capacity and keep them at max inflation. Hopefully they will last longer. Both sets are Marathons.

I am not sure you want to run them at full pressure, what happens is the tires heat up and the pressure goes up, in turn over-pressurizing the tire. I was running mine near full pressure (80psi) and I honestly believe it was a contributing factor in the blowouts.


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