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Old 03-29-2017, 03:05 PM   #1
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Tire recommendations 18,000lbs 3-axle toyhauler

I've looked all over the internet and gone all over this forum along with several others, being sure to not only use the search feature but to use google to aide in my searching. There are recommendations all over the place for various solutions but nothing definitive for my toy hauler.

2015 Vengeance 39R12
Length: 43 foot long
Max Weight: 18,000lbs
Axles: 3
Current tires:
front axle: hi-run (1500 miles and squishy sidewalls)
mid axle: Maxxis M8008 (brand new, less than 200 miles)
rear axle: hi-run (1500 miles and squishy sidewalls)

The middle axle had a set of crap tires on them, the driver side blew at roughly 50mph and took the fender with it. Roadside repair was done and drove on the spare for roughly 75miles to get the pair of Maxxis installed.

I'm looking to put brand new shoes on the trailer, looking for an answer as to which is 'best' seems to be like trying to find a unicorn. I'm wanting to make sure I keep at minimum 18,000lbs capacity across all 6 tires and I would prefer something that could go 65mph without issues. I am wanting to buy the best set of tires for my camper, ones that I do not have to worry about a tire blowing up and that will handle long hauls in hot weather. I'm from the south so 100*F days are common and I need it to handle the heat and load.

I am willing to spend the money needed to make the above happen, my family's safety is very important to me.

NOTE: I know the pin holds weight and therefore the max across the tires can technically be less than 18,000lbs. I still want to keep it 18K or higher to ensure I don't run into possible issues.

Recommendations I have found so far.

Michelin XPS RIB 235/85R16 - These seem to be recommended by a lot of lower weight class RVers but nothing specific for 3 axle toy haulers. I don't read about too many failures on these with the lighter weight RVs.
Weight capacity for 6 tires: 18,252lbs (that is close!)
Pressure: 80psi
Speed: 75mph

Sailun S637 ST235-85-16 - A lot of ppl recommend them but there is always a few that say "My dealer said they were crap" in the threads, I'm not sure which is true. I found very few photos of failed tires.
Weight capacity for 6 tires: 21,840lbs
Pressure: 110psi
Speed: Unknown

Maxxis M8008 - A lot of ppl recommend them but others say stay away. There are photos on forums of failures.
Weight capacity for 6 tires: 20,520 lbs.
Pressure: 80psi
Speed: 65mph max recommended

Thoughts?
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Old 03-29-2017, 07:17 PM   #2
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there is also the goodyear G614 that has a load capacity of 3750 @110 psi. if you have alot of room in between the tires I would go with 19.5" rims and tires way more load capacity going that root.

pretty sure ependydad went the 19.5"root with his trailer. he would have alot of info on the subject.
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Old 03-29-2017, 07:47 PM   #3
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regardless of which tire you go with get yourself a good TPMS like the 507RV that way you will know what is going on with the tires so you can stop before tearing up your rig.
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Old 03-29-2017, 08:09 PM   #4
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A smart man on here said 17.5" wheels and tires
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Old 03-29-2017, 08:17 PM   #5
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A smart man on here said 17.5" wheels and tires


That's it 17.5"!

And definitely tpms. I'm hoping worst case Santa brings that for me this year.
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Old 03-29-2017, 08:27 PM   #6
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Originally Posted by SeaDog View Post
regardless of which tire you go with get yourself a good TPMS like the 507RV that way you will know what is going on with the tires so you can stop before tearing up your rig.
I will second this suggestion. I have been using the 507 system for over two years now. I would not take a trip anywhere without these sensors. They have save me three times from have a blow-out on the highway when a tire started to go flat. Each time I was able to find a good spot to pull over safely to get off of the road. Thus saving the tire and my camper from being damaged. Well worth the money that I spent to purchase the system. I am going to get extra sensors this year to put on my spare tires so that I will know what pressure they are at if I should need them.
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Old 03-29-2017, 08:41 PM   #7
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I hope Author won't mind. here is a link to the 17.5"upgrade


Major tire & wheel upgrade – no longer overloaded | Learn To RV
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Old 03-29-2017, 11:48 PM   #8
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Thanks for all of the responses so far! I had seen a few threads talking about the 17.5" wheel upgrade but that link has a lot of good information for the upgrade path. I will be doing a bit more research to ensure the swap will fit on the Vengeance but so far it looks to be the best option.

I have the EEZTire TPMS in my shopping cart over at Amazon. Most RVers seem to like it but I'll research it compared to the TST 507rv.

Thanks so much everyone!
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Old 03-30-2017, 12:19 PM   #9
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jgroff Where were you a year ago. I had the exact same situation. What a great solution.
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Old 03-30-2017, 12:22 PM   #10
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I upgraded my 5er tires almost immediately after purchasing it. I went with the G614's then added the Tire Tracker TT-500 TPMS. Good luck with both decisions so far.
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Old 03-30-2017, 12:29 PM   #11
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We have an 18K 42' loaded 5th wheel. I have Goodyear H series 215/75 17.5 G114s on it and they are great! Wear very well, rated over 65mph. Had them on my previous 5th wheel as well. Superior to the G614s (had them too). Will never use anything else.

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Old 03-30-2017, 12:56 PM   #12
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Get a set of Micheline XPS RIB tires and your good for ten years. There a commercial LT trailer tire.
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Old 03-30-2017, 01:08 PM   #13
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Quote:
Originally Posted by TBKHomeworld View Post
I've looked all over the internet and gone all over this forum along with several others, being sure to not only use the search feature but to use google to aide in my searching. There are recommendations all over the place for various solutions but nothing definitive for my toy hauler.

2015 Vengeance 39R12
Length: 43 foot long
Max Weight: 18,000lbs
Axles: 3
Current tires:
front axle: hi-run (1500 miles and squishy sidewalls)
mid axle: Maxxis M8008 (brand new, less than 200 miles)
rear axle: hi-run (1500 miles and squishy sidewalls)

The middle axle had a set of crap tires on them, the driver side blew at roughly 50mph and took the fender with it. Roadside repair was done and drove on the spare for roughly 75miles to get the pair of Maxxis installed.

I'm looking to put brand new shoes on the trailer, looking for an answer as to which is 'best' seems to be like trying to find a unicorn. I'm wanting to make sure I keep at minimum 18,000lbs capacity across all 6 tires and I would prefer something that could go 65mph without issues. I am wanting to buy the best set of tires for my camper, ones that I do not have to worry about a tire blowing up and that will handle long hauls in hot weather. I'm from the south so 100*F days are common and I need it to handle the heat and load.

I am willing to spend the money needed to make the above happen, my family's safety is very important to me.

NOTE: I know the pin holds weight and therefore the max across the tires can technically be less than 18,000lbs. I still want to keep it 18K or higher to ensure I don't run into possible issues.

Recommendations I have found so far.

Michelin XPS RIB 235/85R16 - These seem to be recommended by a lot of lower weight class RVers but nothing specific for 3 axle toy haulers. I don't read about too many failures on these with the lighter weight RVs.
Weight capacity for 6 tires: 18,252lbs (that is close!)
Pressure: 80psi
Speed: 75mph

Sailun S637 ST235-85-16 - A lot of ppl recommend them but there is always a few that say "My dealer said they were crap" in the threads, I'm not sure which is true. I found very few photos of failed tires.
Weight capacity for 6 tires: 21,840lbs
Pressure: 110psi
Speed: Unknown

Maxxis M8008 - A lot of ppl recommend them but others say stay away. There are photos on forums of failures.
Weight capacity for 6 tires: 20,520 lbs.
Pressure: 80psi
Speed: 65mph max recommended

Thoughts?


I would go the LT route. I personally run Bridgestone Duravis R250 tires, although smaller than what you need. They come in larger sizes.

I would prefer a good LT that totals in capacity close to your GVWR than an ST with capacities much higher. I trust LT tires and do not trust ST tires at all. Their (ST) big numbers are worthless to me.

Going to a larger wheel, as has been said above, is an excellent recommendation. Then go put a good set of LT or truck tires on it (I'm not familiar with the 17.5 offerings).

In case you haven't picked up on my biased opinion yet, STAY AWAY FROM ST TIRES. You'll be glad you did.
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Old 03-30-2017, 03:17 PM   #14
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I've been using the Michelin XPS Ribs on my Cardinal 31RKT for 4 years with 0 trouble, but will probably go with the Good|year G614s when I replace the Westlake tires that came on our new XLR THUNDERBOLT toyhauler. I would love to go with the Goodyear G114s, but the expense of buying 7 wheels and tires is more than my budget can stand.
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Old 03-30-2017, 07:31 PM   #15
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I recently put the Sailun 235/85R16G on my trailer. They are rated at 4,400# each in the single configuration and 3,860# in the dual configuration. These tires are 61 pounds a tire. Pressure at 110 and speed rated for 75 MPH. This tire is code #5540993. The 235/80R16G is a little less robust at 4,080# each in the single and 3,640# in the dual mode. This tire is code #5541960. These tires are well made.
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Old 03-30-2017, 09:30 PM   #16
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Originally Posted by Telstar View Post
Get a set of Micheline XPS RIB tires and your good for ten years. There a commercial LT trailer tire.
They are not designed as trailer tires and they don't have enough load capacity.
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Old 03-30-2017, 09:36 PM   #17
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I'd go with the 17.5" and the H rated Goodyear G114's. Seems like perfect fit for your toy hauler.
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Old 03-30-2017, 09:54 PM   #18
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Originally Posted by TBKHomeworld View Post

I've looked all over the internet and gone all over this forum along with several others, being sure to not only use the search feature but to use google to aide in my searching. There are recommendations all over the place for various solutions but nothing definitive for my toy hauler.

Thoughts?
You should not use tires with less load capacity than those that came on the trailer.

Original Equipment (OE) tires are fitted to each GAWR, not GVWR. When replacing or plus sizing your tires, the first rule is to get tires equal to or greater in load capacity than the OE tires provide.

There have been a lot of changes made in the last few years with trailer tires. Shop around and look at some of the new stuff with higher load capacities and increased highway speeds.
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Old 03-31-2017, 02:46 AM   #19
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So I am researching the 17.5" option and I like the added weight capacity which would put my mind at ease, however I see that almost all of the options are 8-lug, there are a few steel wheels that are 6-lug but they have offsets which will not fit on my trailer.

Adding a 6-lug to 8-lug adapter would get me there but that causes additional stress and requirements for a different offset to put the tire back into proper position.

Is everyone who is suggesting this already running an 8-lug system or did you have to swap out the spindle/drum?

Update: It appears the 6000lb axles are 6-lug while the 7000lb axles are 8-lug. Looks like I have to upgrade the axles or just go with max I can get for the 16" wheels.
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Old 03-31-2017, 10:03 AM   #20
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Originally Posted by TBKHomeworld View Post
So I am researching the 17.5" option and I like the added weight capacity which would put my mind at ease, however I see that almost all of the options are 8-lug, there are a few steel wheels that are 6-lug but they have offsets which will not fit on my trailer.

Adding a 6-lug to 8-lug adapter would get me there but that causes additional stress and requirements for a different offset to put the tire back into proper position.

Is everyone who is suggesting this already running an 8-lug system or did you have to swap out the spindle/drum?

Update: It appears the 6000lb axles are 6-lug while the 7000lb axles are 8-lug. Looks like I have to upgrade the axles or just go with max I can get for the 16" wheels.


You have 6 lug 6000 lb axles ?

That seems weird. My 6000 lb axles are 8 lug.
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