Kenda K353 Bias Trailer Tire Pressure For a 10' Aluminum Row Boat Trailer

Question

Question:

I have new AM30820 tires on my boat trailer. 10foot row boat and trailer are aluminum and extremely light. the tire side wall says: Maximum load: 1,045 lbs at 80 psi Does this mean I have to keep them inflated to 80PSI? This seems extreme. And when do I measure the pressure? over night the air temp here is 85F and when driving to the lake it is 110F or more. Wont that heat increase the tire pressure?

asked by: Lauren

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Expert Reply:

The Kenda K353 Bias Trailer Tire # AM10066 that is on the Wheel and Tire Combo # AM30820 will need 80psi of pressure when the tire is cold. It is best to verify the pressure in the coldest temperature it will operate before driving. The manufacturer accounts for the tire warming up with higher temperature and when the tire gets warmer from the friction of driving. With having such a light trailer and boat you can have them weighed with all your gear to ensure you are using the correct load rated tire for your trailer. While the Kenda # AM10066 is rated for up to 1,045lbs(load range C) per tire they also have the Kenda # AM10064 that is rated for 840lbs(load range B) and only requires 55psi. You do not want to deviate from the manufacture pressure ratings as this could lead to issues with the tire that are not covered by manufacturer warranty.

expert reply by: Bud M

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Answer 1

The psi should be listed on the sidewall of the tire. It is recommended that tires always be inflated to the max psi. The max psi of the tire will depend on the tire's load range, not the weight of the trailer. For instance, we carry 5.30-12…

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Answer 2

Hello Ken, the Kenda K353 Bias Trailer Tire - 5.30-12 - Load Range B #AM10064 has a K-65 mph speed rating.

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Answer 3

Hey there Brad, We do have a replacement for the 125255UC grease seal; the correct seal is the following: - Double Lip Grease Seal #34823

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Answer 4

Load range B trailer tires are going to have a lower capacity than C load range tires. Basically that, psi rating, and the ply rating are the only differences. A higher load range tire would last a little longer than lower load ranges of the same…

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Answer 5

All trailer tires must always be inflated to the specified maximum cold psi pressure as noted on the tire sidewall. Tires should never be under- or over-inflated at any time as this can lead to heat build up, uneven tread wear, loss of weight…

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Answer 6

The Kenda 4.80-12 Bias Trailer Tire with 12" Galvanized Wheel - 5 on 4-1/2 - Load Range B #AM30590 have a max speed of 65 mph. When trailer tires are not speed rated with a letter, the default is 65 mph max. I've attached an article to…

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Answer 7

Trailer tires are designed to run at max psi capacity all the time. Running a tire under or over that psi can cause uneven tread wear and greatly increase the possibility of a blow out. I recommend running tires like the Kenda K353 Bias Trailer Tire…

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Answer 8

The 5.30-12 tires, being wider, are going to make more contact with the road. This means that the noise, and heat build up will be higher than a 4.80-12 tire but the rolling resistance will actually be less because the tire is larger diameter. The…

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Answer 9

Load Range for trailer tires has to do with the weight capacity. The higher the Load Range the higher the weight capacity and usually the higher the PSI recommendation for the tire. Going with a higher Load Range will not give you the ability to…

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Answer 10

Many times, trailer tires do not have a speed rating. The tires that we carry are rated for up to 65 miles per hour unless otherwise indicated on the tire sidewall. Since 185/80-12 is not a common trailer tire size, it would require going to a 13…

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Answer 11

Since both a ST145/R12 size tire, like the Kenda Karrier S-Trail #AM10130, and a 5.30-12 size tire, like the Kenda K353 #AM10068, fit a 12 inch wheel, a ST145/R12 size tire can replace a 5.30-12 size tire. Keep in mind that these tires do have…

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Answer 12

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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