5 Lug Wheel and Tire to Replace 4.80-8 with Higher Speed Rating

Question

Question:

I currently have 4.80-8 tires and believe the speed rating is 65 mph. I have a very light trailer but wondering what larger tire would give me a higher speed rating for interstate roads?

asked by: Bob

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Expert Reply:

For a 5 lug wheel and tire with a higher speed rating the part # AM31202 would work great that has a tire size of ST145/R12.

expert reply by: Jameson C

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Answer 1

I went out to the warehouse to look at the tire myself just to be sure. The Kenda Karrier S-Trail ST145/R12 Radial Tire w/ 12" White Spoke Wheel - 5 on 4-1/2 - LR D #AM31199DX does have a speed rating of M. It was 81 mph to be exact. The Kenda…

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Answer 2

Yes, the Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire #AM10140 referenced in your question will fit the same 12 inch wheel with a 4 inch width that your existing 4.80-12 size tires are mounted to. Just note that the ST145/R12 tire will be…

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Answer 3

Both the trailer wheel and tires #AM31202 and #AM31199DX have an 81 mph speed rating as you are correct they both use the same tire.

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Answer 4

Hey Keith, if you exceed the speed rating of your trailer tire you will end up overheating the tire and that will most likely cause it to fail. This is definitely going to be very likely if you are driving 12 to 14 hours at a time. Best option would…

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Answer 5

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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Answer 6

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 7

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 8

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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Answer 9

Hi Paul, you’re definitely on the right track here, and I can help you narrow this down with confidence. With your tandem 3,500 lb Dexter axles and 33 inch spacing, both the Dexter EZ Flex part #K71-652-00 and the Lippert Road Armor part #LC53CK are…

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Answer 10

The two sizes you mentioned are pretty similar and fit many of the same 15 inch wheels. The 205/75-15 fits rim widths of 5 inch to 6 inch whereas the 225/75-15 fits widths that are 5 inch to 6-1/2 inch. The 205 is 27.1 inches tall and the 225 is 28.4…

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Answer 11

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 12

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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5 Lug Wheel and Tire to Replace 4.80-8 with Higher Speed Rating

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