Why Does a 12 Inch Trailer Wheel have a 13 Inch Diameter Overall

Question

Question:

My tire on the boat reads 5.30x12 but the rim measures 13inch across

asked by: Bill G

0

Expert Reply:

Wheel diameters are not measured using the overall diameter. The are measured for diameter where the tire sits so the diameter is less than the overall diameter of the wheel. With 5.30-12 tires you have 12 inch wheels so tire # AM10066 will fit.

expert reply by: Michael H

0

Answer 1

I wouldn't worry about the trailer not having fenders. I've pulled a few enclosed trailers that were missing fenders and it didn't affect anything that I noticed. If you get a puddle or it starts raining the tires will fling…

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Answer 2

For a 4.80-12 trailer tire, the overall diameter or height is 20.5 inches. For a 5.30-12 it is 21.9 inches. That is a difference of 1.4 inches but you will only see half of that, 0.7 inches, in added height. Please keep in mind that going to a taller…

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Answer 3

We have just what you are looking for. The Andersen Rapid Jack part #AM3620 is a wedge shaped ramp that you can roll your trailer wheel onto to fix a flat or use it upside down as a chock.

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Answer 4

A 5.30-12 trailer tire like the excellent Kenda K353 #AM10066 will be about 0.7 inch wider and 1.2 inches taller than the existing 4.80-12 size tires you currently have mounted. As long as you have the fender and frame clearance available for this…

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Answer 5

Trailer tires should be inflated when they are cold and should be inflated to the max psi rating on the sidewall. In your case you would want to run 80 psi. If you don't inflate them to the max psi figure you will lose weight capacity and…

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Answer 6

I have never heard of a 6.00-12 tire but theoretically yes, you can use the same 12" rim for a 5.30-12 size tire like part #AM10066 as the last set of numbers refers to the wheel size that the tire fits. You do need to make sure that your tire…

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Answer 7

The 5.30-12 is your tire size. We have 3 options for tires in that size. - Kenda K353 Bias Trailer Tire #AM10066 - Kenda K353 Bias Trailer Tire #AM10068 - Kenda K353 Bias Trailer Tire #AM10064 These all fit a 12" x 4" wheel which is pretty…

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Answer 8

When airing up the Kenda K353 Bias Trailer Tire #AM10066, the tire is designed to be inflated to the 80 psi when the weather is colder. The tire can handle the increased pressure that comes with they heat up during driving. The only way it would get…

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Answer 9

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 10

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 11

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 12

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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