What causes this type of tread wear????Load range c90psi tire inflation.Checked b4 every trip.Second set different manufacturer doing same odd tire wear???Time for a new axel maybe i should get a whole new boat\trailer

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Inflated to high. Psi is related to the weight you are carrying on the trailer. You can just put in what it says on the tire with that kind.

At least that's what I've been informed of.

Quote:Poor pic but I'd agree with Janderson

Where are you finding that you should be running 90psi?

Load range c tires 90psi on the tire itself and on any website that lists tire pressure(s).So your saying i've over inflated even though the tire manufacturer requires 90psi?????c63

Max psi is for max carry load weight. Lower weight equals lower psi.

So where do I find a chart for max load weights for a trailer and what pressure do I run the the tires???c63

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Max load for the trailer or the trailer tire?
Max tire load and air pressure is printed right on the side of the tire.

Max load for a trailer has many factors, specifically...
Tire load rating
Axle stub dia.
Axle itself
spring rating
materials the trailer is constructed of.

If you have a purchased trailer you should be able to find the serial number and look the total weight capacity up from the MFGR website.

From the picture that is posted,it looks like a pretty light setup.

The 90psi rating is at maximum load, doesn't necessarily mean you should inflate them that high. The tire manufacturer doesn't know what the tires are used on. If you have a light setup, you may not need load range C.