How is a 5 on 4-1/2 Trailer Wheel Bolt Pattern Measured

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Question:

This is a 2011, 19 FT Explorer by Frontier S190. What is the meaning of 5 on 4-1/2. There are 5 lugs on each wheel.

asked by: Dan T

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Expert Reply:

The 5 on 4-1/2 bolt pattern of a hub or wheel such as # AM20365 means that there are 5 lugs and, if you drew a circle that passed through the center of each lug the diameter would be 4-1/2 inches. I have included some links and a picture that will also help.

expert reply by: Michael H

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Answer 1

I recommend upgrading to a fully stainless steel hub and brake set. First you will need the Kodiak Trailer Hub #KH84545S. This will need Bearings #L68149 & #L44649 and a Grease Seal #58846 for each of your hubs. You will then be able to add…

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Answer 2

The most popular trailer wheel bolt pattern is the 5 on 4-1/2 inch bolt pattern and as far as we are aware the bolt pattern you mentioned is not used on trailers at all. So my bet is you probably have the 5 on 4-1/2 inch. I attached a help article…

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Answer 3

The 15" term is in reference to the size wheel that the Provider ST225/75R15 Radial Tire is mounted to. This particular part #A225R6FPS is a tire and wheel combo. The wheel has a 6 on 5-1/2 bolt pattern which is important to know so that…

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Answer 4

The bushing on the Rear Hanger with Bushing #30-20 has a 9/16" diameter and is 1-3/4" long so you'll need to use one of the bushings in the Dexter Bronze Bushings Kit #K71-291-00 as a replacement.

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Answer 5

Trailer wheel lug nuts that are 1/2-inch inside diameter typically have a 20-TPI thread pitch (20 threads per inch). Most lug nuts also use a 60-degree-coned profile like #CE11051, but a 90-degree like #STN569 is also available for 9/16-inch studs.…

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Answer 6

Thank you for your purchase of the Electric Trailer Brake Kit w/ Dust Shields part #AKEBRK-10. In some cases, you can remove the spindle nut with a set of channel locks but in others you will need to use a socket and ratchet or even possible a…

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Answer 7

When measuring to determine the bolt pattern of a wheel with an odd number of lugs, like a 5 lug wheel, you are basically measuring the diameter of a circle that would run through the center of each lug hole. If you are measuring the wheel the…

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Answer 8

Yes, the 4.80-12 tire size and the 5.30-12 tire size are both designed to fit the same rim width of 4 inches. So the tire you would want would be the part #AM10068 to fit your current trailer rim. This tire is a Load Range D tire with a capacity of…

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Answer 9

It could be a tow package fuse on the vehicle. Use the owners manual to find the locations of fuses/relays related to the tow package wiring to check them and replace as needed. If the issue is not a fuse or relay then you can test the vehicle side…

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Answer 10

Loadstar ST185/80D13 Bias Trailer Tire #AM3S331 is a bias ply construction whereas the 185/80R13 you have is a radial tire construction. The difference is how the plies run inside the tire. You would want to keep the construction type the same on the…

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Answer 11

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 12

Most trailer wiring that runs to trailer lights is 16 gauge. I would rather people use 14 or 12 unless the lights are LED which draw considerably less. But for most people 16 gauge works just fine for basic trailer lighting. If you are planning on…

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How is a 5 on 4-1/2 Trailer Wheel Bolt Pattern Measured

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