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Old 10-20-2021, 05:47 PM   #1
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Goodyear Tires for 2016 Arctic Fox 32-5M

I am buying the above unit remotely. They buyer is kind enough to run it over to a tire store for me for bearing inspection and tires. The factory tire size is ST235/85R16G. I have followed the various tire discussions on this forum. I am fine with trailer tires and not light truck tires. I also gathered that Goodyear Endurance tires are generally favored. I looked at the Goodyear site and the Endurance tire in the proper size is only rated for load range E. However, the Goodyear G614 RST in that size is G rated.

Am I missing something regarding the Endurance or were the adulations for load range E and lower? Also, any feedback on the G614 RST?

Thanks. I expect to handle the tire details by phone.

Mike
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Old 10-20-2021, 06:26 PM   #2
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How much does that rig weigh?
The E is rated for 3640 per tire.
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Old 10-20-2021, 06:41 PM   #3
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Are you sure the factory specs a load range G for that 32' trailer? I'd also be curious to see the GVWR and axle ratings for it.

If they spec load range G, I wouldn't go less than that. Another choice is the Sailun S637 that comes in load range G. I am currently running them in the ST235/80R16 size and they're load range G. Had them 5 months and about 4000kms, everything good so far. They don't seem to wear prematurely nor featheredge.
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Old 10-20-2021, 07:54 PM   #4
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The endurance tires are fairly soft tread, they are not the best choice for heavy trailer. The sailun 637 is a very good budget tire and slightly better tire is the Goodyear 614 , both the sailun and Goodyear are rated at 4000 lbs or 4400 lbs depending on size. Both of those tires have great track record on very heavy hard usage trailers. I have two trailers with sailun tires that both had Goodyear 614 tires prior .
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Old 10-20-2021, 08:49 PM   #5
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Goodyears G614 RST is a LT235/85-16 G load range at 3750 lbs capacity. So it
it a great tire choice for 6k-7k axles.
Its a commercial grade LT tire all steel carcass made for the regional service trailer (RST) industry.
Not to be confused with the lower grade poly carcass Endurance with its very thin 8/32nds of tread depth. Apples vs oranges.
Not a good choice for a heavy trailer and looking for 40k-60k miles of service. It simply doesn't have the rubber for that kinds of miles.
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Old 10-21-2021, 10:00 AM   #6
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I have the same trailer and had the same tires as a factory spec. The 614 is a solid tire and much different than the Endurance as was stated. With that being said I pulled the 614's off a year ago and put 235 17.5 Sailun's on the rig. The GY's are still going strong on a flatbed gooseneck.
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Old 10-21-2021, 10:52 AM   #7
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Thank you all. Trailer model nomenclature is mysterious. The unit is about 36' despite being called a 32-5. It also weighs 16K pounds at max weight. So the factory G rating makes sense. What makes even more sense, now that folks have explained it, is that the Endurance tire is not the correct choice. The 614 it shall be.

The timely response here has been perfect. Thanks again.

Mike
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Old 10-21-2021, 10:54 AM   #8
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Elkfarmer, what was the reason to change the 614s for the larger17.5 Sailuns on your 5th wheel?

Mike
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Old 10-21-2021, 11:48 AM   #9
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Good reviews for the most part. I had 3 GY614 failures on my cattle trailer in less than a year. All of them lost the tread. I did not want to take the chance of beating the RV up for a repeat offence. I assume it was a bad batch. However, reading reviews and talking to area tire shops and heavy haulers the folks that have used the Sailun tires were very happy. I have been. As I stated previously the GY's are on the back two axles of a tri-axle flatbed with Sailun's on the front axle. They have been fine to this point. I still believe they are a solid tire (GY). The 235 size for the 17.5 are slightly wider/taller than the 215. I keep my rig in a shed I made out in a field behind the house. I need to drag it through loose soil. I did not want the narrow 215 tire digging me down. The 235 size is also a 6000lb tire that I only run 95-100psi in. They never get hot unlike the GY's did. Your rig should be a 16,500 GVWR. My 2017 is. I believe they lowered it since for some reason. I am 16,100 going down the road with a 4010# pin.
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Old 10-22-2021, 06:57 AM   #10
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Quote:
Originally Posted by FV Icy Swan View Post
Thank you all. Trailer model nomenclature is mysterious. The unit is about 36' despite being called a 32-5. It also weighs 16K pounds at max weight. So the factory G rating makes sense. What makes even more sense, now that folks have explained it, is that the Endurance tire is not the correct choice. The 614 it shall be.

The timely response here has been perfect. Thanks again.

Mike
One caveat... make sure that the rims on that trailer are rated for 110psi. Some fifth wheels come with rims that are only rated for 85psi. That may not be the case here, but something to think about. The psi rating will be stamped on the back of the rim. Most load range G tires are rated for 110psi.
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Old 10-22-2021, 07:02 AM   #11
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Originally Posted by Nlambert View Post
One caveat... make sure that the rims on that trailer are rated for 110psi. Some fifth wheels come with rims that are only rated for 85psi. That may not be the case here, but something to think about. The psi rating will be stamped on the back of the rim. Most load range G tires are rated for 110psi.
I have not seen max psi ratings on many wheels but the max. load rating is often stamped. I installed load range G tires but my allpy wheels are stamped 3042lbs max load. Even at 100 or 110 psi I'm not gonna load it to 4000lbs per wheel.
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Old 10-22-2021, 09:50 AM   #12
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Quote:
Originally Posted by FV Icy Swan View Post
Thank you all. Trailer model nomenclature is mysterious. The unit is about 36' despite being called a 32-5. It also weighs 16K pounds at max weight. So the factory G rating makes sense. What makes even more sense, now that folks have explained it, is that the Endurance tire is not the correct choice. The 614 it shall be.

The timely response here has been perfect. Thanks again.

Mike
One last thing ! When you swap out your tires get some all steel or all brass bolt in valve stems, the rubber ones are fine at 80 psi but not so much at 110. You can get a pack of 4 on Amazon for under $20. Most light truck and car tire vendors don't stock them. There is two common size holes .441 and .625 , the tp416 is what you want. 1" long is perfered so if you ever decide to put a TPMS system on it your already set up for screw on caps with temp sensors.
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Old 10-22-2021, 12:44 PM   #13
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Good tips on both rim capacity and valve stems. I will check both out.

Mike
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Old 10-23-2021, 07:02 AM   #14
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Quote:
Originally Posted by FV Icy Swan View Post
Good tips on both rim capacity and valve stems. I will check both out.

Mike
Wheel just like tires have a max psi and load capacity.

All my 16" Rockwell American wheels on my rv and non rv trailers have both. My 16" 6 lug wheels are good for up to 80 psi/3540 lb loads. The 16" 8 lug wheel have a 110 psi and 4200 lb load rating.

Some off shore wheels may not have a psi rating but just a max load.
You sure don't want to over pressure a wheel or a tire
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