Recommended 4.80-12 Inch Tire For Boat Trailer With 81 MPH Speed Rating

Question

Question:

I want to upgrade from my 4.80-8 to a 4.80-12 radial tire.. is there a 12 inch tire that has an M rating ? I will use this boat trailer on the highway for long hauls and it needs to withstand highway speeds.

asked by: TODD C

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Expert Reply:

You can move up to a 12 inch tire with the speed rating you desire in the Taskmaster 4.80-12 Trailer Tire - Load Range C # TT48012C which will fit any 12 x 4 inch wheel/rim you desire.

expert reply by: Jason S

0

Answer 1

From my research on the Harbor Freight 4x8 folding trailer uses 4.80-12 tires on a 12 inch wheel for the 1195 lb capacity trailer and a 5.30-12 for the 1720 lbs capacity trailer. It is a good idea to check your existing tires to see which size they…

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Answer 2

The psi of your trailer tires will be listed on the side wall. It will list the max psi which is what you will want to fill them to regardless of how much weight you have. For reference, the 4.80 x 12 tires we carry have a 60 psi max for load range B…

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Answer 3

Yes, you can definitely use bias tires, like part #AM3S870 you looked at, on the highway. Bias tires weren't really designed for off-road use per se but they are better for it. Likewise radials are better for highway use than bias tires and…

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Answer 4

We often hear of weak customer support and limited spare parts availability with "bargain" trailer manufacturers. I found an online copy of the owner's manual for the Harbor Freight Haulmaster utility trailer model 90154 but it includes…

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Answer 5

Since you want to change your trailer hubs to the 5-on-4-1/2 bolt pattern I suggest you select a 60-inch axle kit that includes idler hubs, such as one of the two kits shown on the linked page. These two 2K-rated axle kits include 5-on-4-1/2 hubs,…

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Answer 6

I do have a solution for you, but we do not recommend using vehicle tires on a trailer. Trailer tires are built with stronger sidewalls to help resist the load that is put on them, while vehicle tires are made for a more smooth ride. Also, we do not…

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Answer 7

There is nothing wrong with using 4.80-12 tires on your 2006 Continental trailer. However, these are more than likely bias ply tires with a 65 mph speed rating. If that is the case, I recommend upgrading to the Taskmaster 4.80R12 Radial Trailer Tire…

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Answer 8

Radials are superior to bias ply tires basically in all ways for highway applications. They really only have a marginal advantage in off road situations and even then it's not by much. At one point they were a lot less expensive so the choice was…

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Answer 9

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 10

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 11

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 12

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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Recommended 4.80-12 Inch Tire For Boat Trailer With 81 MPH Speed Rating

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