Trailer tire help

[BIGALF]

My duel axil trailer pulls a 24 foot Sea Ray with a wet load of 3500 lbs. I replaced the Bias tires 14 months ago with what I thought were good radial TOWMASTER ST175/80R13 load class C 6 ply tires. I had a blow out 2 weeks in a row with these tires going 65 mph on I-95 in Florida. What did I do wrong? The only thing I can think of is I had either low tire pressure, defective tires, or I should have stayed with BIAS tires.HELP me please!!!sorry my 1998 seaRay deck boat dry weight is 3,750 lbs, add gas ,water , and beer and you will be close to 4,000 wet

[tommays]

were are you getting 3500# from ITS WAY MORE HEAVY than that my 19' is almost 4000#ST175/80R-13" RADIAL Tire/Rim, Ptd.TRAILER TIRE & WHEEL ASSEMBLYSTOCK #: 1350119Load Range: C (6-ply)Max. Capacity: 1360 lbs. eachOverall Diameter: 24.1"Maximum PSI: 50 lbs.Rim Finish: Painted, Spoke Pattern5 Lug on 4.5" Bolt Circle, 3-1/8" Center HoleLOADSTAR's KR03 'KARRIER' Series Trailer Tire4 of those tires have a maxium load of 5440# which i pretty sure your Exceeding with a 24 ft boat Its one of my pet peeves with tandem trailers many seem to cut corners on tire size and have problems like thisMy single axle trailer uses Load Range: D (8-ply)Max. Capacity: 2540 lbs. eachOverall Diameter: 28.1"Maximum PSI: 65 lbs.which gives a 5080 # rateing with a load thats less than 4000 # giveing at least a 1000# saftey margintommays

[JB]

What Tom said.

[Bond-o]

Its one of my pet peeves with tandem trailers many seem to cut corners on tire size and have problems like this

The Same Thing,...... Only Different,.....Is bolting on a Heavy Duty Tire,... on a 1500lb. axle,..... Then Thinking that it Safe to haul a 6000lb. Boat.............. Ayuh,.......The boltholes DO line up..............

[BIGALF]

Originally posted by JB: What Tom said.

[BIGALF]

Originally posted by Bondo:

Its one of my pet peeves with tandem trailers many seem to cut corners on tire size and have problems like this

The Same Thing,...... Only Different,.....Is bolting on a Heavy Duty Tire,... on a 1500lb. axle,..... Then Thinking that it Safe to haul a 6000lb. Boat.............. Ayuh,.......The boltholes DO line up..............

[studlymandingo]

Bias vs. Radial won't make a difference on whether a tire will blow-out or not, it is the load range. I would imagine the old tires were a D-range 8 ply tire. Look at the load-range for the tire you are purchasing, make sure the max capacity is well beyond your load. Bias ply tires and radials do handle differently, but that is a whole different discussion.

[Silvertip]

Overloaded and under-inflated tires is the cause of most blow-outs. Wrong tire size/load rating and underestimating the load is the root cause of overloading.

[tashasdaddy]

tire on tandrems also take more abuse, as in scuffing in tight turns, they don't steer, they slide. causing uneven tire wear, extreme stress on the sidewalls. you have to take all the into consideration. thats a lot of money depending on what you put under it.

[BIGALF]

Big Al had to make a decision before the weekend so I decided to stay with the Radial tires and properly maintain the air pressure. I went to 5 tire dealers and trailer manufacturers and got 5 different answers. It's obvious that there has not been much research on this issue. Ideally I would like to modify the trailer to take a larger tire so I could get the best load rated tire that they make.

[imported_Curmudgeon]

I think you're overloaded and the best you can do now is run 'em at max inflation pressure (cold), slow down, and ... make sure the spare is properly aired up.