I'm ordering tires. What do u think of these?

[judieb68]

New Cougar 316RLS with trailer king tires. About to hit the road for a few months.
I know I need to change out the tires. How about these?
Goodyear Endurance ST235/80R16 123N Trailer Tire - Load Range E

[jasin1]

Originally Posted by judieb68

New Cougar 316RLS with trailer king tires. About to hit the road for a few months.
I know I need to change out the tires. How about these?
Goodyear Endurance ST235/80R16 123N Trailer Tire - Load Range E

Probably a much better tire but in that size your load capacity is reduced from the trailer kings..3400 lbs vs (3600 or 3800) can’t remember what my trailer kings have…need to go to a 85r 16 to get the same or more

Edit: trailer kings in that size have 3520 lbs

I’m gonna go with the Carlyle radial trail from forum recommendations

[rhagfo]

Well your choice, but the same GVWR as our 2005 Copper Canyon, we run LT 253/85-16E Yokohama YK-HTX tires. I know they only run a 3,042# capacity, but that is type and size that came on the 5er, and I trust an LT far more than a ST!

[judieb68]

Originally Posted by jasin1

Probably a much better tire but in that size your load capacity is reduced from the trailer kings..3400 lbs vs (3600 or 3800) can’t remember what my trailer kings have…need to go to a 85r 16 to get the same or more

Edit: trailer kings in that size have 3520 lbs

I’m gonna go with the Carlyle radial trail

That's what has me so confused, the trailer kings are ST tires with that weight rating. Why can't I find another of good quality ST tire that has that same rating.

I don't feel comfortable changing to a LT Tire. If a blow out does occur, insurance Co. is going to see those LT tires and tell me I'm screwed.

[jasin1]

Originally Posted by judieb68

That's what has me so confused, the trailer kings are ST tires with that weight rating. Why can't I find another of good quality ST tire that has that same rating.

I don't feel comfortable changing to a LT Tire. If a blow out does occur, insurance Co. is going to see those LT tires and tell me I'm screwed.

A post like this can easily generate 4 pages of responses..it’s right up there with “can my truck tow this?”

A bunch of people have experience with tires and will respond…I’d like to figure out what my psi rating on my wheels are 2020 315rls and go to a f or g rated tire

[sourdough]

judie you don't need to give thought to LT tires. They were used for a short time "back when" but ST tires have progressed greatly and with the weights and demands of todays RVs the STs are now the go to tires for all manufacturers as far as I know.

IMO yes, the TKs need to go particularly if going on a long trip. Good choices for the replacement of your TKs would be Carlisle Radial Trail HD or Goodyear Endurance. Appears the load range of your OE tires will be fine but if the wheels support it, and you are worried, you could look at LRF but I doubt you need it.

[rhagfo]

Originally Posted by jasin1

Probably a much better tire but in that size your load capacity is reduced from the trailer kings..3400 lbs vs (3600 or 3800) can’t remember what my trailer kings have…need to go to a 85r 16 to get the same or more

Edit: trailer kings in that size have 3520 lbs

I’m gonna go with the Carlyle radial trail from forum recommendations

So the TK have a 3,500# rating, but fail carrying much less weight!

As stated before I will put my LT’s carrying the OP’s 5er, long before the TK tires!

[jasin1]

Originally Posted by rhagfo

So the TK have a 3,500# rating, but fail carrying much less weight!

As stated before I will put my LT’s carrying the OP’s 5er, long before the TK tires!

No one ever said the trailer kings were good tires lol…I’m just saying that the load capacity just happens to be less on the endurance for whatever reason and I’d like to have at least the listed capacity…probably the endurance would out carry and out last the trailer king tires by years

[jasin1]

Now I have a question to add to this…..if you traded your rv or wanted to sell it inspected …will having the wrong spec tires on it cause it to fail inspection?

If they don’t match the sticker on the side ..at least having the same specs or better?

[rhagfo]

Originally Posted by jasin1

Now I have a question to add to this…..if you traded your rv or wanted to sell it inspected …will having the wrong spec tires on it cause it to fail inspection?

If they don’t match the sticker on the side ..at least having the same specs or better?

Well interesting question for the OP, as his trailer has a payload sticker. Like a car or truck it only shows the tire size and inflation, does it show the load letter E,F,G or does it list the load index number?

In my case no mention of tire size or load rating.

[jasin1]

Yeah mine says ST 235/80 16 E @ 80 psi

No specific load capacity though

[firestation12]

Originally Posted by judieb68

New Cougar 316RLS with trailer king tires. About to hit the road for a few months.
I know I need to change out the tires. How about these?
Goodyear Endurance ST235/80R16 123N Trailer Tire - Load Range E

The Endurance ST255/85/R16 tire is also a E rated tire, but the load capacity is 4080 lbs at 80 psi. 129/125N

[rhagfo]

Originally Posted by firestation12

The Endurance ST255/85/R16 tire is also a E rated tire, but the load capacity is 4080 lbs at 80 psi. 129/125N

Really your suggesting putting 16,320# of tire rating on a 12,200# GVWR 5er that will likely have less than 10,000# on the axles?

You have that little faith in ST tires that you need and extra 1,500# of capacity per tire? There is a reason many ST tires are cheap to purchase, they are cheaply built.

[sourdough]

OP I failed to mention that the Carlisle Radial Trail HD in the same size as your TKs have the same weight rating; 3520.

https://www.carlislebrandtires.com/o...dial-trail-hd/

[CWtheMan]

There has always been a problem for owners with ST235/80R16 LRE tires. It started when RV trailer manufacturers started using certified GAWRs of 7000#. Until then the standard LRE had a load capacity of 3420# at 80 PSI. RV Trailer manufacturers needed tires that would qualify for 7000# axles. Some of the foreign trailer tire manufacturers upgraded their LRE specs to 3500#, others upgraded to 3520# and the 3520# tires became the new standard. However, other manufacturers like GY/Maxxis stuck with the 3420# tires.

Industry standards written by the USTMA require replacement tires to have a load capacity equal to or greater than what the OE tires provided. Changing designated sizes is called "plus sizing". If your vehicle manufacturer does not offer "plus sized" replacements, they probably will not recommend anything other than the OE tires designated size. Remember, load range is not part of a designated size. Example: The ST235/80R16 LRE may have a load capacity of 3520#. The same designated size with a LRF will provide 3750# @ 95 PSI. However, both load ranges will provide 3420# @ 80 PSI. I know, I used 3420#. That's because when using the LRF the charts will default to 3420# to comply with a FMVSS standard.

Keystone trailers with a manufacturing date of 2004 - 2006 and having vehicle certified 6000# axles were almost exclusively fitted with LT235/85R16 LRE tires having a load capacity 3042# @80 PSI. They were mostly OEM Uniroyal's with some off brand Mission's that no longer exist.

Our 2003 Everest had OEM ST235/80R16 LRD tires (6000 axles). Our traveling companions 2004 Montana had L@235/85R16 LRE tires (6000# axled). Ours were GY Marathons, they all failed with tread separations. Our friend's Uniroyal's would grow bubbles at the bead area before they failed. We could not use our friend's size because our axle spacing was 32".

[rhagfo]

Originally Posted by CWtheMan

There has always been a problem for owners with ST235/80R16 LRE tires. It started when RV trailer manufacturers started using certified GAWRs of 7000#. Until then the standard LRE had a load capacity of 3420# at 80 PSI. RV Trailer manufacturers needed tires that would qualify for 7000# axles. Some of the foreign trailer tire manufacturers upgraded their LRE specs to 3500#, others upgraded to 3520# and the 3520# tires became the new standard. However, other manufacturers like GY/Maxxis stuck with the 3420# tires.

Industry standards written by the USTMA require replacement tires to have a load capacity equal to or greater than what the OE tires provided. Changing designated sizes is called "plus sizing". If your vehicle manufacturer does not offer "plus sized" replacements, they probably will not recommend anything other than the OE tires designated size. Remember, load range is not part of a designated size. Example: The ST235/80R16 LRE may have a load capacity of 3520#. The same designated size with a LRF will provide 3750# @ 95 PSI. However, both load ranges will provide 3420# @ 80 PSI. I know, I used 3420#. That's because when using the LRF the charts will default to 3420# to comply with a FMVSS standard.

Keystone trailers with a manufacturing date of 2004 - 2006 and having vehicle certified 6000# axles were almost exclusively fitted with LT235/85R16 LRE tires having a load capacity 3042# @80 PSI. They were mostly OEM Uniroyal's with some off brand Mission's that no longer exist.

Our 2003 Everest had OEM ST235/80R16 LRD tires (6000 axles). Our traveling companions 2004 Montana had L@235/85R16 LRE tires (6000# axled). Ours were GY Marathons, they all failed with tread separations. Our friend's Uniroyal's would grow bubbles at the bead area before they failed. We could not use our friend's size because our axle spacing was 32".

How does the certification process for ST tire differ from LT tires?
My LT tires are only rated for 3,042# of carrying capacity, but are speed rated for 103 mph.
Now days ST tires in the same size carry load rating of 3,400#+, but a speed rating of between 65 mph to about 84 mph.
How are those ratings tested?

[CWtheMan]

Originally Posted by rhagfo

How does the certification process for ST tire differ from LT tires?
My LT tires are only rated for 3,042# of carrying capacity, but are speed rated for 103 mph.
Now days ST tires in the same size carry load rating of 3,400#+, but a speed rating of between 65 mph to about 84 mph.
How are those ratings tested?

Before a tire manufacturer can put the DOT symbol on the tire sidewall, they must perform testing. Some of the larger plants will do in house testing but most use a 3rd party. Of course, tires with different functions will be tested for those abilities. Many of the threads about testing are ambiguous. Tires for drive/steer functions will be tested for their individual primary functions.

A few years ago, President Trump threatened the offshore ST Trailer tire manufacturers with huge tariffs if they did not provide speed ratings on those tires. In my opinion, they had to do some sort of testing for the speeds they applied to their tires. It would actually be fraud to place an untrue speed rating on a tire sidewall that had not been tested/certified.

Testing procedures are lengthy. To read some of them you can find the basic standards in the FMVSS 571 series of standards.

[CWtheMan]

Originally Posted by rhagfo

How does the certification process for ST tire differ from LT tires?
My LT tires are only rated for 3,042# of carrying capacity, but are speed rated for 103 mph. The Tire & Rim Association (TRA)are tasked with standardizing Load Range, inflation charts, and speed letters. For instance; all LT235/85R16 LRE regardless of brand will provide 3042# of load capacity at 80 PSI. There is NO speed letter for 65 MPH.
Now days ST tires in the same size carry load rating of 3,400#+, but a speed rating of between 65 mph to about 84 mph.
How are those ratings tested?

Before a tire manufacturer can put the DOT symbol on the tire sidewall, they must perform testing. Some of the larger plants will do in house testing but most use a 3rd party. Of course, tires with different functions will be tested for those abilities. Many of the threads about testing are ambiguous. Tires for drive/steer functions will be tested for their individual primary functions.

A few years ago, President Trump threatened the offshore ST Trailer tire manufacturers with huge tariffs if they did not provide speed ratings on those tires. In my opinion, they had to do some sort of testing for the speeds they applied to their tires. It would actually be fraud to place an untrue speed rating on a tire sidewall that had not been tested/certified.

Testing procedures are lengthy. To read some of them you can find the basic standards in the FMVSS 571 series of standards.

[DonP]

Originally Posted by judieb68

New Cougar 316RLS with trailer king tires. About to hit the road for a few months.
I know I need to change out the tires. How about these?
Goodyear Endurance ST235/80R16 123N Trailer Tire - Load Range E

I had them on a Cougar we just traded in and I loved them. Can't go wrong, if you can get them.

[portabull]

Hercules H-901ST, 225-75R 15. They are not cheap but actually a trailer tire. Several friends have been running them and have increased fuel mileage with no issues.