Can Trailer Tire Size 225/75-15 Fit on 5 inch Wide Wheel

Question

Question:

Hi, I am going from a ST225/75R14 inch tire on my boat trailer to a ST225/75R15 inch tire for a better load rated tire. My question is for a ST225/75R15/10 tire do I need a 15” x 6” wheel or a 15” x 5” wheel? Thanks

asked by: James A

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Expert Reply:

The tire size of 225/75R15 can fit the rim width range of 5 inch to 7 inch so yes it would fit on a 5 inch or 6 inch wide wheel.

I attached a link to a page that has all of the tires we have in this size as well as all of the wheel and tire combos as well.

expert reply by: Jameson C

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Answer 1

An ST205/75R15 tire size like you have now will have a section width of 8.1 inches and overall diameter of 27.3 inches. An ST225/75R15, #AM10256, will have a section width of 8.9 inches and overall diameter of 28.4 inches. So the larger size is 0.8…

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Answer 2

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 6-1/2 inch whereas the 225/75-15 fits widths that are 5 inch to 6 inch. The 205 is 27.1 inches tall and the 225 is 28.4…

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Answer 3

For your 14 inch wheels, I recommend the Provider ST215/75R14 Radial Trailer Tire - Load Range D #TTWTRTM2157514D. This is a slightly smaller tire, but it is very well made. It is rated for 2,200 lbs at 65 psi and has a max speed rating of 81 mph. It…

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Answer 4

I may have an option for replacing the 7.00-15 LT Load Range D tires and wheels on your older car trailer, but we do not offer any 7.00-15 tires. The closest option to this size is the ST225/75R15 which will be 1" wider than your current tires…

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Answer 5

Tires like the Kenda Karrier 225/75r14 #AM10256 are going to be 1.2" taller and 0.7" wider than your 205/75r14 tires, so as long as you've got that much clearance to the fenders (at the top) and trailer frame (on the inside), you can…

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Answer 6

Based off the information you have provided, I recommend the Loadstar ST175/80D13 Bias Trailer Tire with 13" White Wheel combo item #AM3S030. The rim is a Dexstar 8-Spoke 13" white wheel. This is our largest wheel tire combo available with…

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Answer 7

I do not recommend using a leaf spring spacer (lift block) on your trailer. The reason for this is because they can cause the trailer to become extremely bouncy and rough which is just going to put more stress on your suspension and wear out the…

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Answer 8

We have some great replacement trailer tire options for a ST225/75D15. If you find yourself to be towing mostly on the highway then I recommend switching to a radial tire as they will run cooler over long distances. The Karrier ST225/75R15 Radial…

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Answer 9

The location of the hitch ball hole that the B&W Companion #BWRVK3500-5W referenced in your question will mount onto will be 49-1/2 inches when measuring from the tailgate end of your truck bed up towards the cab. The actual Companion 5th-Wheel…

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Answer 10

You can mount trailer axles above or below the leaf springs. The difference is just the amount of ground clearance that the trailer would end up having. The biggest advantage with the spring below the axle (trailer will be lower) is that you would…

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Answer 11

I spoke to my contact at B and W and she said that sticker you have on your B and W Companion was put on your hitch by mistake. The older style of Companion used 40 ft/lbs and a few of the newer style hitches went out with the older sticker. You will…

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Answer 12

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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