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Deep_Sinker

Trailer tire pressure

14 posts in this topic

Does anyone know for sure what smaller trailer tires should run for pressure. I picked up some Carlise 4.80 x 12 rim and tire for my boat trailer this weekend and there was a sticker saying to inflate to 60lbs. cold.(this is what the side wall says is the max pressure) Am I crazy thinking that this is way too high? Any good advice is appreciated. It seems I can only get a few thousand miles out of these tires before they are shot.

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I was wondering that about my snowmobile trailer. Should I run at max pressure all the time? Load or no load, cold/warm?

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Smaller tire diameters need higher pressure to dissipate the heat generated by speed and heavy loads. There have been past threads questioning the quality and durability of Carlisle tires.

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I always fill to recommended pressure. I have noticed that, as IFallsRon says, they get hot if underinflated.

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Inflate them to the max tire pressure as displayed on the side wall.

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Go to the max pressure, even if empty. 60lbs is normal.

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Oh, that's why my trailer tires always very hot even after a short trip. I thought my truck's tire needs only 33 lbs, why my trailer tires said 50 lbs, LOL.

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Do 60 pounds of pressure, unless you want to blow out your tires.

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A more complex answer just to throw a wrench in the machinery...

Every tire has a pressure vs load capacity. Now, for some it's very hard, if not darn near impossible to find this data, but that is where the most correct inflation pressure comes from.

Too much air and the the ride is overly rough and can be damaged by shocks/impacts, too low and the tire runs hot, harder to pull, etc.

Here is an example from Goodyear. You find the tire style, size, load rating and then you get the tire load vs. pressure details. So, if you know the weight of the trailer and load, you can then determine the "optimum" inflation pressure - again, provided you can locate the load table.

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Another point I see often ignored with trailer tires is the maximum speed rating. I see many trailers with 8 or 10 in. tires being towed down the interstate at 75-80 mph. These tires are probably rated for 55 mph max. Some of the 8" are only rated for 45 mph. Part of this is because of bearing speed. That small trailer tire is turning more than 4 to 1 compared to your trucks tire. Lots of extra rpm there. If that tire is soft (low air), all the extra sidewall deformation will really generate heat too.

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I think that I will stick to the 60lbs. Thanks for all the insight. Also, have any of you found a good durable tire like this if the Carlisle isn't very good???

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Carlisle is the low end, Good year are a good brand but not easy to find

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Are Carlisle tires really as bad as I am hearing and reading on different forums? I have a set on my Eagle trailer now that are 3 yrs old but look to be in good condition with about 4500 miles on them. Is it true that a lot of them are re-treads? Pretty close to switching them out for Goodyear Marathons.

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Carlisles.. are round and they roll. They dont last very long and there has been way too many issues with them. Some due to operator error(tire owner), and way too many other problems just because they are a poor quality tire, but they are economical and popular because of it. I think all trailers that have 12" and 8" wheels come with Carlisle tires standard... because they save the manufacturer money, and they are readily available.. not because they are a decent tire(they are not). Its similar to the Firestone situation with Ford in the past, and notice most light trucks had Good Year Wrangler RTS tires on them for a long time? Manufacturers put tires on that are cheap.

If you are stuck buying Carlisle because of availability, buy more tire than what you need(higher load range) and you shouldnt have so many problems, but they will not last as long as a quality tire. Keep your tire properly inflated to max pressure(usually somewhere between #40-#80 psi).

Over loaded tires are going to be a problem no matter what brand they are.

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  • Posts

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      Posted

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    • Cliff Wagenbach

      Posted

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      Finland State Forest

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  • Posts

    • ZachD
      Ya I think my dog would want to go after them he gets really excited around other dogs. That's why I will never hunt him without his e collar because I know I can stop him in his tracks with it. My dog likes to hunt close and I never let him push out way in front of me so at least I have eyes on him at all time and can give him the command to come to me if I see a wolf. I always keep a slip lead with me as well so I can put that on him and not have my hand tide up reaching down holding on his collar. I had a couple run in with wolves last year in the Longville/Remer area but that was just with me on foot with no dog. The one thing that gets me is "Only agents of the government are authorized to take wolves if pets or livestock are threatened, attacked or killed"  I don't think I could just stand there and watch my dog die. Anyway did you hunt a different area? Any birds I have only been out once in the mille lacs area and didn't see any. Going to Nemadji this weekend and should see some.  
    • smalliehunter
      A friend and I will also be up chasing smallmouth this weekend!!!
    • slammer
      Add Sallie to the list.
    • BlackArrow1
      Went up north of Tofte last weekend camping/looking for a few grouse and to see the fall colors. Was in the region of the grade and 600 road. Pulled off on a walk only trail to run my lab and see if I could kick a few. Anyhow, my lab sits and barks like hell with anticipation at me every time I'm getting the gun out and getting ready to hunt her. So for about 5 minutes she's harassing me loud barking with excitement. We start walking down the trail maybe 50 yards and I see all this brown commotion jumping around ahead of us about 75 yards. At first I think we startled some deer. Then one came out full on the trail and stood watching me/dog. They were timber wolves. That one slunk off in the woods and another came out and just sat there looking at us for about a minute or so. When I noticed they were wolves I grabbed the dog by the caller. They seemed interested in my dog. Her barking must have drew them in. They ran off after looking us over a bit. I turned around and left that spot to avoid any issues. I'm thinking that maybe some younger bird dogs would be enticed to chase after wolves that show this kind of interest in them. In my opinion that would be bad and a dog may not come back alive, given their boldness and interest in my dog. It was fun seeing them, but we didn't just walk up and surprise them, they were coming to see the barking dog. Just curious? Maybe. Looking for an easy meal, maybe. I'm just putting this out there to inform bird hunters up there what I saw, so they can be aware if they have dogs. And no they were not coyotes. 
    • ANYFISH2
      Made it out yesterday evening, SAW 4 deer. The same small buck and 3 does.  They sure seemed skittish with the wind. For the fact I am getting very few daytime pics of any deer, I am at lest seeing a few every sit.