What Larger Wheel And Tire Options Are There For a Karavan 5 X 8 Utility Trailer With 4.8-12 Tires?

Question

Question:

i have a karavan utility trailer 5x8 with tire size 4.8-12. question 1: what the biggest tire i can fit in the original rim? question 2: what rim size i can upgrade recomendations Rim+Tire that will fit my axel and hub No upgrading that, i know if i am able to fit a bigger i need to change fenders and use spacers probably?

asked by: Roger

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Expert Reply:

We have both the 5.3R12 # TT53012C(5.39" x 21.57") and ST145/R12 # AM10130(5.7" x 21.3") which are larger than your current 4.80-12 # TT48012C(4.84" x 20.63") tire on your Karavan 5x8 utility trailer. Unfortuntately I cannot say for sure what size may fit due to clearances you will need to verify as this is not a trailer we have and the manufacturer does not publish the information for us to see.

A Karrier ST175/80R13 Radial Trailer Tire with 13" White Wheel # AM31951(7" x 24.1") is realistically the largest size wheel and tire you should use if you do want to go with a bigger wheel. This tire has a load capacity of 1,360lbs per tire while your trailer is only capable of weighing up to 2,000lbs. Larger tires are going to have a higher load capacity which will cause the trailer to constantly bounce under such stiff tires. As this tire is also 2.16" wider it means you will also need to have atleast 2.08" of sidewall clearance to your frame/suspension without needing some type of spacer to gain the needed clearance.

expert reply by: Bud M

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Answer 1

You do indeed have a 12 inch rim. When you measure the diameter of the wheel, you'll need to measure the diameter of he wheel where the tire bead meets the wheel. I've provided you a cutaway diagram of a wheel showing where the measurement…

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Answer 2

You can add larger wheels and tires to a trailer as long as you have enough room for the larger size. The main clearance issues we find when putting larger tires and wheels on a trailer is from the top of the tire to the fender and from the inside…

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Answer 3

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 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

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 6

The three most common lug stud sizes for a trailer are 1/2"-20, 9/16"-18, and 5/8"-18. In order to make sure you get the correct lug nuts you need to measure the lug studs on the trailer now as we have no way to look this up for…

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Answer 7

The 12 inch tires that we carry are rated for 65 miles per hour. Any faster than that for extended periods and the excessive heat build up will cause tire failure. To get a tire with a higher speed rating you would have to go up in size. That also…

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Answer 8

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 9

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 10

The closest radial tire size I would have to replace the 4.80-12 bias tire size is the Kenda Karrier S-Trail ST145R12 Radial Trailer Tire #AM10130. The 4.80-12 bias tire is 20.7 inches tall and 4.9 inches wide. The 145R12 radial tire is 21.3 inches…

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Answer 11

The difference between the two trailer sizes you referenced is that the 5.30-12 will be about 1-1/2 inches taller than the 4.80-12 and would have more capacity. As long as your trailer has the clearance for a slightly taller and wider tire a 5.30-12…

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Answer 12

We have verified with Kenda that the tire of the Kenda Karrier ST145/R12 Radial Trailer Tire with 12" Black Mod Wheel #AM35354 that you referenced has an 81 mph speed rating.

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