Can 15 Inch Tires on Enclosed Trailer be Replaced with 16 Inch Tires

Question

Question:

Thanks For Your Excellent Customer Service Chris. I Currenty Have The ST 205 75R 15 And Want To Change to ST 225 75 R 16, Im I Safe? Thanks Again.

asked by: Ernie G

1

Helpful Expert Reply:

As long as you have the needed wheel well and trailer frame clearance for a larger tire and wheel, you can certainly move up to a 16 inch tire on your 2004 Enclosed Trailer. Generally speaking you will want to have at least 3 inches from the top of the tire to the fender to accommodate for suspension travel.

The Karrier ST235/85R16 Radial Trailer Tire # AM10501 that you were looking at will have an overall diameter/height of 31.7 inches and a width of 9.3 inches. You will want to just compare these measurements to the size of your current tire to see what kind of size difference you are looking at. If you can tell me what tire size you currently have mounted, I will be happy to tell you its specific measurements for comparison.

I have attached a link that will take you directly to our available selection of 16 tires and wheels, along with a couple articles on trailer tires that you might find helpful.

expert reply by: Chris R

1

Ernie G.

7/20/2018

Thanks For Your Excellent Customer Service Chris. I Currenty Have The ST 205 75R 15 And Want To Change to ST 225 75 R 16, Im I Safe? Thanks Again.

Chris R.

7/20/2018

Your existing ST205/75R15 tires have an overall diameter/height of 27.1 inches and a width of 8.1 inches. Moving to a 225/75R16 tire will bump the diameter/height up to 29.3 inches and the width to 8.9 inches, giving you an additional height of 2.2 inches and width of 0.8 inches. Keep in mind that only half of the height difference (1.1 inches) will actually affect the wheel well clearance on the trailer. As long as you have the extra clearance space needed under your fender and between the tire and frame on your trailer you can certainly make this change. We do not currently have trailer tires available with the 225/75R16 size you mentioned. I just recommend making sure that the tires you are looking at are in fact ST (Special Trailer) tires, as they will feature a thicker sidewall needed for the heavier loads on trailers. The closest option we have available is an ST235/80R16 tire and wheel like the Kenda # AM34969B. This is slightly larger than the size you are looking for and will give you an increase in height/diameter of 3.7 inches and increase in width of 1.2 inches over your existing tires.

Answer 1

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 2

The 235/80-16 tires will be about 3.6 inches in diameter larger than a 205/75-15 tires. Half that difference (1.8 inches) is how much closer the tire would be to the fender. When fully loaded, you will want to see no less than 3 inches of clearance…

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Answer 3

Item #CM11401 is not compatible with a 2008 Lexus GX470 as these are a custom fit mirror. I recommend the CIPA Universal Fit Towing Mirror Item #40375. This mirror fit most applications and fits driver side and passenger side. This is a single mirror…

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Answer 4

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 5

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 6

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 7

Hey Bryan, that's a good question. The pricing can definitely be misleading, but I wouldn't use it to judge the quality of the tire. A lot of that comes down to promotions, inventory, and whether you're looking at a tire by itself or…

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Answer 8

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 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 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 11

Hey Andrew! Yes, Furrion does have a Chill Cube model with a heat pump. This was actually just released for aftermarket sale. You will need a complete system to make the switch, new R32 units aren't backwards compatible with old R410A systems.…

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Answer 12

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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Can 15 Inch Tires on Enclosed Trailer be Replaced with 16 Inch Tires

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