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  1. #1
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    Default Carlisle Trailer Tires

    Gents, I have a 226 Larson (3K dry weight) on a tandem roadrunner trailer with ST205/75 D14 tires. According to the previous owner these were bought new about 8 months ago and the condition of the tires appears to reflect this. The tires may have 1,000 miles on them with no cracking, bubbles or any other abnormalities.

    Before leaving out this weekend I checked pressure and put all tires at 45 psi. The tires do note 50 psi cold. Here comes the good part, after about the first 5 miles (maybe 15 miles of total travel on the return trip) on the interstate doing 60 65 mph, the left rear tire suffered a blow out leaving some carnage on the wheel well and taking a side bunk with it. I had a spare so the day wasnt spent on the side of the road and luckily no other cars where close at the time of the blow out. The rear axle is my braking axle and I checked to see the wheel was overly hot and it was warm, but did not appear to be excessive.

    I did a quick search and it appears that many others have not had great success with this brand of tire. Can anyone comment on the quality of these tires? Should I have not put 45 psi of pressure in the braking tires since they do heat up more than the non-braking tires? Im not sure what the tire load rating is, but I will be checking it tonight to make sure Im not exceeding it. Thanks ahead for any responses.
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  2. #2
    Rear Admiral oldjeep's Avatar
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    Default Re: Carlisle Trailer Tires

    Opinions will vary, but my .02 is that you should have had 50psi in the tires. I've had some carslisle tires in the past and didn't find them any worse than others but some say they are worse.

    From your picture it looks like the sidewall was rubbing on the fender.
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  3. #3
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    Default Re: Carlisle Trailer Tires

    I used to work for a tire shop that was a carisle dealer. I run carisle on all of my trailers. I love their tires. If you read the DOT you can figure out the actual age of the tire. Just because they were bought a few months ago doesn't mean the tire isn't a few years old.

  4. #4
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    Default Re: Carlisle Trailer Tires

    Quote Originally Posted by nate1220 View Post
    If you read the DOT you can figure out the actual age of the tire.
    Seaman, specifically what do you mean here? Can I post a pic and you tell me the age?

  5. #5
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    Default Re: Carlisle Trailer Tires

    Quote Originally Posted by oldjeep View Post
    From your picture it looks like the sidewall was rubbing on the fender.
    oldjeep, Thats what I thought at first glance, but there is at least 4 inches between the fender and tire.

  6. #6
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    Default Re: Carlisle Trailer Tires

    If you can post a pic with enough detail I can.

  7. #7
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    Default Re: Carlisle Trailer Tires

    Tire2.jpg

    Seaman, this is the only one I have on me now. Let me know if it has the detail you are looking for. Thanks!

  8. #8
    Rear Admiral Scott Danforth's Avatar
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    Default Re: Carlisle Trailer Tires

    1000 miles can be a lot, or not much at all. if you do a lot of tight backing/turning, etc. then your skidding two of the wheels every time you turn. I used to change the rear axle tires once a year on the searay's shoreland'r trailer because I was cording the tires with the tight turning I had to do to get the boat in the garage. I usually caught the tires when the tread started to get distorted, however not always.

    its hard to tell, however sometimes tires fail from underinflation, some times from cord separation, some times from road debris.
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  9. #9
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    Default Re: Carlisle Trailer Tires

    My guess is that you may have picked up some debris/nail and ended up with a flat tire. On a tandem trailer you won't notice a problem until you see chunks of rubber flying up in the mirror. (on a single you would have felt a flat tire)

  10. #10
    Rear Admiral oldjeep's Avatar
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    Default Re: Carlisle Trailer Tires

    Tire in that picture looks low - how much pressure is in that one? You have to be really carefull on tandems, when you are making a tight turn you can easily damage/ shred underinflated tires due to sidewall flex
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  11. #11
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    Default Re: Carlisle Trailer Tires

    Can you post the D.O.T. Info? Also tires should always be inflated to max. People seem to be paranoid about this but tires are not balloons, they need to be rigid to be safe.....flex on trailer tires is not good. True,tires may heat up from various factors and increase pressure above max but this is normal. The specs on the sidewall are for cold tires.

  12. #12
    Master Chief Petty Officer royal0014's Avatar
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    Default Re: Carlisle Trailer Tires

    Quote Originally Posted by smokingcrater View Post
    My guess is that you may have picked up some debris/nail and ended up with a flat tire. On a tandem trailer you won't notice a problem until you see chunks of rubber flying up in the mirror. (on a single you would have felt a flat tire)

    This ^^ is my thoughts. Can you see the trailer wheels in your rearviews? And how often do you look?


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  13. #13
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    Default Re: Carlisle Trailer Tires

    Know that I think about it, the boat did seem to pull a little heavier when I pulled onto the interstate and I'm guessing that smokingcrater is correct in that I did likely picked up something and the tire went flat before becoming a road gator.

    I do try and check the tires in the mirrors every few minutes, but of course I can only see the front set so...

    Thanks for all the responses and I will still try and post the DOT info tonight.

  14. #14
    Rear Admiral oldjeep's Avatar
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    Default Re: Carlisle Trailer Tires

    Quote Originally Posted by HalfFish5087 View Post
    Thanks for all the responses and I will still try and post the DOT info tonight.
    ST205/75 D14 would normally be 1760lbs at 50psi (x4 = 7K total) Highly doubtful that he is overloaded.
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    Master Chief Petty Officer royal0014's Avatar
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    Default Re: Carlisle Trailer Tires

    Quote Originally Posted by HalfFish5087 View Post
    Know that I think about it, the boat did seem to pull a little heavier when I pulled onto the interstate and I'm guessing that smokingcrater is correct in that I did likely picked up something and the tire went flat before becoming a road gator.

    I do try and check the tires in the mirrors every few minutes, but of course I can only see the front set so...

    Thanks for all the responses and I will still try and post the DOT info tonight.

    Yep, there's your clue. Make sure you double-check the wheel bearing where that tire was.
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  16. #16
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    Default Re: Carlisle Trailer Tires

    50Lbs is correct. However a rep from EZ Loader stated to me that "Carlisle recommends when going 66 to 75mph that the inflation should be increased by 10lbs. I could not fine this anywhere on the Carlisle web site and I sent them an Email, no answer as of yet...

  17. #17
    Supreme Mariner kenmyfam's Avatar
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    Default Re: Carlisle Trailer Tires

    I am thinking they should be at 50 psi cold to begin with. Would take out some of the "if's" in the diagnosis.
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  18. #18
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    Default Re: Carlisle Trailer Tires

    Well Carlisle responded to my question of tire pressure at speeds 66 to 75 mph. "The pressure should be set to whatever is on the sidewall" So thanks EZ Loader for wrong info.

  19. #19
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    Default Re: Carlisle Trailer Tires

    Quote Originally Posted by greekfreek View Post
    Well Carlisle responded to my question of tire pressure at speeds 66 to 75 mph. "The pressure should be set to whatever is on the sidewall" So thanks EZ Loader for wrong info.
    Interesting, seeing that all "ST" tires have a maximum speed rating of 65 mph
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  20. #20
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    Default Re: Carlisle Trailer Tires

    To check the age of your tires, go here.
    http://www.tirerack.com/tires/tirete....jsp?techid=11

  21. #21
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    Default Re: Carlisle Trailer Tires

    I've NEVER had good luck with their tires in various sizes. Lots of tread separation issues and blown sidewalls even though I check pressure religiously (even at wayside rests during pit stops). Started running Load Star brand tires an haven't had ONE SINGLE failure yet, not even any dry rot showing up on 8 year old tires!
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  22. #22
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    Default Re: Carlisle Trailer Tires

    Quote Originally Posted by dingbat View Post
    Interesting, seeing that all "ST" tires have a maximum speed rating of 65 mph
    Interesting, seeing your wrong. The ST tire spec clearly states that they have a maximum speed rating of 65 mph at their maximum load & PSI. Some trailer tires allow for a 10psi over inflation and carrying the maximum load at 75mph. Others allow 75mph if the tire is inflated to the maximum but the load is no more than the weight tables suggest for 10psi less than the maximum.

    Given all the advice to always inflate tires to the maximum on the sidewall no matter the load, I have a feeling most people have never seen a load table...

  23. #23
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    Default Re: Carlisle Trailer Tires

    Quote Originally Posted by lrak View Post
    Given all the advice to always inflate tires to the maximum on the sidewall no matter the load, I have a feeling most people have never seen a load table...
    The reason that most say to run at sidewall pressure is because that is what the majority of the trailer tire mfgs say. While they show a load chart - pay attention to what it says below it:
    http://www.carlisletire.com/product_...vice_guide.pdf
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  24. #24
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    Default Re: Carlisle Trailer Tires

    I just replaced the tires on my Camper with the Carlisle 205/75 R-14 RH. For some reason trailer tires are the bastards of the tire world. Finding a good quality one is tough...even the Goodyear Marathons (considered by many in the RV world to be the best) have had issues. The manufacture date is important and if they are over 3 years old, most reputable tire shops won't mount them. Do not mount a higher rated sidewall (D, E, etc...) on a previously mounted C loaded wheel unless you can verify it's rated for that load (luckily most are). Some are rated for the 50psi, you are more likely to suffer a blowout that destroys the wheel (seen it happen!).

    Tire inflation, as has been stated previously is very important. The C rating on most trailer tires is rated for 50psi, the D for 65psi and E for 80psi. Most C rated tires have a load rating of 1,360-1,820 depending on size and manufacturer.

    You can plan on replacing average used trailer tires every 3-4 years, depending on use and storage practices. I definitely recommend this as last place I wanna find out the integrity of a tire is on the interstate.

    I've so far liked the Carlisle RH as I've driven about 1,000 miles and they have shown no noticeable wear and they have maintained the appropriate pressure since mounted (April). One point noticed however, is that at the requisite 50psi they still seem to have more sidewall flex than my previous bias ply trailer tires. Flex = Heat in Bias ply tires. First set of the Radial trailer tires and so far so good!

    I've got a buddy with the original Goodyear Marathons (1998 vintage) on his Stroker Bass boat trailer and they have always been garage stored and probably have less than 2,000 miles on them. Look brand new...but then so does his boat!
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  25. #25
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    Default Re: Carlisle Trailer Tires

    Quote Originally Posted by oldjeep View Post
    The reason that most say to run at sidewall pressure is because that is what the majority of the trailer tire mfgs say. While they show a load chart - pay attention to what it says below it:
    http://www.carlisletire.com/product_...vice_guide.pdf
    "The above table DOES NOT endorse the reduction of air pressure. It is to be used as an example of
    the relationship between air pressure vs load or lack there of. Carlisle Tire & Wheel only
    recommends and only warrants tires maintained @ the max air pressure while in service. This table
    (above) shows the relationship between air pressure and load capacity for popular sizes of trailer
    tires. The capacities apply equally to radial and bias versions. The letters following some capacities
    indicate the load range."

    Folks, make life simple and inflate to max......that is how it is.....get over it!

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