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Old 02-08-2015, 12:18 PM   #21
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I question any insurance companies logic, A sixteen year old girl on her Mothers policy ran a stop sign & my son hit her ( no injuries ) Her company back cancelled her mother so she became an uninsured motorist (She only had the policy a few months and a previous accident). We found out the insurance company was on nobody's side but their own. Meaning our policy had to pick up the tab........... Found out this is perfectly legal in Virginia.

My was ran off the road by another driver a few weeks back about two hours from home. She hit a curb and ruined two wheels and both tires. We filed it under the insurance and it turned out to be a dumb idea. They filed it as a collision on her part and now our preminuin is going up.

Back to the thread. For the OP, keep in mind that ST stamped weight rating is their absolute max rating. There is no cushion. With LT's there is a cushion on the stamped rating, that is by no means their absolute rating. Also, LT tires are built with a much better standard due to them being a passenger tire. Such as to having stronger thicker side walls.

Tire shops that do not mount LT on to a trailer is due to liability reasons, not because of safety. IF the fine prints says "X" then that is what they do.

Me personally, I will never run ST on anything more than a Utility trailer.
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Old 02-08-2015, 06:06 PM   #22
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No reason not to run LT's over ST's except that you can't find LT's that work.


High end 5th wheels like DRV , Heartland Landmark 365 or Lifestyle both offer LT tires as options. If LT tires weren't compatible with trailers then why do they offer them?
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Old 02-08-2015, 06:20 PM   #23
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I believe LT tires in the size the person has is not capable of the load of the ST of same size. DRV, Heartland etc are 18 inch wheels so the load capably is greater so they will work!
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Old 02-09-2015, 01:25 AM   #24
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I believe LT tires in the size the person has is not capable of the load of the ST of same size. DRV, Heartland etc are 18 inch wheels so the load capably is greater so they will work!
18" on Heartlands? They recently added 17.5's as a option. But the landmark trailers come with 16" G614 or the 17.5's.
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Old 02-09-2015, 06:35 AM   #25
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Found this in my search.

LT vs. ST Tires:

I mentioned earlier that lots of trailer owners made the decision to switch from ST tires to LT tires for use on their travel trailer or 5th wheel trailer. Two popular and well built LT tires that come up in discussions as replacement tires for ST tires are Goodyear G614 235/85R16 and Michelin XPS RIB LT235/85R16E tires. If you make the decision to switch to LT tires I caution you to make absolutely sure the tire you choose meets the application criteria required for use on your travel trailer or 5th wheel trailer.

Light Truck tires are not always the same size, and do not always have the same load carrying capacity as ST tires. Depending on your trailerís axle weight rating the tire load capacity might be 3420# @ 80 psi for example. The Michelin XPS RIB LT235/85R16E tire load capacity is 3,042# @ 80 psi. If you switch to LT tires for trailer applications the tire inflation pressure and/or the size of the tires would need to be capable of matching the load capacities of the trailer. If the size of the tire is increased to compensate for load capacities there needs to be sufficient clearance for the larger tires. Cost can be prohibitive too when you not only consider purchasing new tires but larger wheels for the tires to go on.

There are other considerations as well. One is that ST tires are designed for a limited amount of rolling resistance, whereas LT tire construction must address the tireís traction attributes which can increase the rolling resistance. Tires have other ratings too, like Mud & Snow, Summer Tire, All Season etc. For example, Michelin XPS RIB LT235/85R16E tires are rated as highway summer tires, meaning they wonít perform as well in colder winter climates.

It is my general consensus that brand name ST tires matched for the application and properly inflated, maintained and not overloaded are the right tire for the job. I personally only use Michelin tires on my automobiles and motorhome, but the tires are designed for the application. My point is if you are thinking about making the switch from ST to LT tires for use on your trailer donít get caught up in marketing propaganda; look at the engineering and tire application facts before spending your money on the wrong tire for the job.

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Old 02-09-2015, 06:37 AM   #26
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I have been refused by the tire dealer to put on LT and not ST. That was by the largest tire dealer in NC. They said ST or nothing, but I also was replacing ST's. I think I also read on this forum that the State of Florida will not install LT's on a trailer.
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Old 02-09-2015, 07:55 AM   #27
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I still think it's what rim you have on camper, if it's st rims then st tires is all that can be put on the rims. My C/C that I just brought are Goodyear G614LT. On the tire it says 3750lb at 110psi on 7000lb axles.


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Old 02-09-2015, 09:03 AM   #28
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I still think it's what rim you have on camper, if it's st rims then st tires is all that can be put on the rims. My C/C that I just brought are Goodyear G614LT. On the tire it says 3750lb at 110psi on 7000lb axles.


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You are probably right but your sticker shows what the design and testing done for that unit. I know that when ever I buy tires for my car or truck they don't look at what I have on. The first thing they do is look at the door sticker for size. Then tell me my choices.....
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Old 02-09-2015, 09:21 AM   #29
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I have been refused by the tire dealer to put on LT and not ST. That was by the largest tire dealer in NC. They said ST or nothing, but I also was replacing ST's. I think I also read on this forum that the State of Florida will not install LT's on a trailer.
Ultimately it is because of the name plate and the possible liabilty issues

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I still think it's what rim you have on camper, if it's st rims then st tires is all that can be put on the rims. My C/C that I just brought are Goodyear G614LT. On the tire it says 3750lb at 110psi on 7000lb axles.

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Yes and No. Typically a major tire retailer can only provide you with what is on the name plate (Speaking in terms of ST/Trailers). As there is no ill effect from putting a LT on a ST stamped rim. You just can not use a ST Stamped Rim on a passenger vehicle. But due to all of the sue happy people, a major tire retailer probably will not mount a LT on a ST stamped rim.
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Old 02-09-2015, 10:28 AM   #30
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You are probably right but your sticker shows what the design and testing done for that unit. I know that when ever I buy tires for my car or truck they don't look at what I have on. The first thing they do is look at the door sticker for size. Then tell me my choices.....

The sticker on the camper told about the tires and it was also on the tires. I was surprised to read what else was on the sticker, how much weight the camper could carry. I was thinking around 2700lb but I guess with tires and 7000lb axles that went up to 3975lb, that was alright. Now granted I will never put that much weight in camper but sure is nice to know I will not overload camper.


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