Can 8 inch Trailer Tires Handle Highway Speeds

Question

Question:

I have a wheelchair carrier Bruno Chariot that has 4.80X8 tires. These things have to really be spinning extremely fast at 60-65 MPH. I have to make a pretty long trip. Should I be very concerned about tires and/or bearings? I do not have the option of increasing wheel/tire diameter.

asked by: John S

0

Expert Reply:

Check the sidewall of the tires on the trailer and you should find a speed rating. For this size 4.80-8 like the part # AM10002 the common speed rating is 65 mph which as long as you kept the speed under that you'd be fine.

expert reply by: Jameson C

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Answer 1

Thanks for your pictures. From that I can tell you have a 5.30-8 wheel and tire with a 5 on 4-1/2 inch bolt pattern so for a spare/replacement you would want the part #AM30156. Since your sidewall is cracking it would be a good idea to have replace…

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Answer 2

If you can get me the bolt pattern of the wheel and the tire size that is on the sidewall of the trailer I would be able to let you know what you would need. I attached a help article on determining bolt pattern as well as a link to a page that has…

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Answer 3

A larger trailer tire basically wins in every category like you mentioned. Less rolling resistance, less affected by bumps in road for smoother ride quality, and bearings/hub spins less so in theory less wear and tear. So as long as you have room…

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Answer 4

For that size tire, 4.80 X 8, I recommend the Kenda tire, #AM10004. This tire has the Load C rating and fits the 8 inch x 3-3/4 inch rim. Using the heavier load range could extend the life of this tire. The Kenda tire is a bias tire that tend to…

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Answer 5

Special Trailer tires, (ST rated) will have a maximum speed rating of 65 miles per hour. It is not recommended to travel faster than 65 miles per hour as heat can buildup inside the tire and cause tire failure. I have linked an FAQ on trailer tires…

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Answer 6

Yes, trailer tires are rated by tire. So for example, the Kenda 4.80/4.00-8 Load Range C Tire, part #AM10004, is rated up to 745 pounds at 90 psi. Two tires on one axle are rated up to 1,490 pounds. You still need to verify the weight capacity of the…

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Answer 7

The Kenda K353 Bias Trailer Tire - 4.80-12 - Load Range B #AM10060 is rated for a max speed of 65 mph. I've attached an article that will assist with other questions you may have as well.

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Answer 8

We recommended to repack the wheel bearings on your trailer every 12 months or 12,000 miles. There is not a specific guideline as far as actually replacing the bearings. When repacking them with grease, you will also just want to check for any damage…

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Answer 9

You can upgrade to a higher rated tire but the overall diameter will go up 2 inches and typically will end up also have a wider section width. If your trailer can accommodate the larger diameter and width then this is a possible solution for your…

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Answer 10

Hey, thanks. You're not so bad yourself! Going to a larger tire size is possible but there are a few things to think about. Chief among these things is clearance. When going from an 8 inch tire to a 12 inch tire the diameter will increase by 4.4…

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Answer 11

Thanks for the photo. Honestly 5 inches of clearance from the fender to the top of the tire is fine if that is what you desire. We normally recommend 4 inches to allow for the suspension travel whether with leaf springs or torsion axles to allow…

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Answer 12

The size 400/480 and 4.00/4.80are the same tire size. The 400/4.00 designation referrers to an older tire size that is no longer available and the 480/4.80 size will replace the older model sized. Therefore, a tire like the Kenda Bias Trailer Tire,…

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Can 8 inch Trailer Tires Handle Highway Speeds

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