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Determining if 4.80R12 Trailer Tires Can Be Exchanged to 205/65-10  

Updated 02/25/2026 | Published 07/12/2022

Question:

What are the advantages of going from a 4.80x12 trailer tire to a 20x6.50-10 trailer wheel? I know it will be a little lower and will turn faster. I want a meatier tire to give a better feel on the road.

1

Helpful Expert Reply:

First you will need to determine if you will be able to fit the Loadstar K399 Bias 205/65-10 Trailer Tire # AM1HP56 on your trailer as it is so much wider than your Taskmaster 4.80R12 Radial Trailer Tire # TT48012C. The 205/65-10 tire will only be 1/4" shorter in overall height but it will be approximately 3-1/2" wider. This width will be split approximately 1-3/4" on each side of your current wheel and tire. Also you will need to verify if the smaller 10" wheel will not have any fitment issues with your trailers hubs. It is recommended to have at least 1" of sidewall clearance and 3" of vertical clearance for the suspension to compress.

expert reply by:
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Bud M
Reed G. profile picture

Reed G.

2/25/2026

So i have plenty of clearance on my trailer for this upgrade. My question is the pilot diameter size going from the 4.80-12 4 on 4" with a 2.84 pilot diameter to the 205/65-10 4 on 4" with a 2.5 pilot diameter?

Jameson C. profile picture
Etrailer Expert

Jameson C.

2/25/2026

@ReedG Shouldn't be a problem at all but you might measure the diameter of your hub bore to make sure it will fit over it.
Reed G. profile picture

Reed G.

2/25/2026

@JamesonC The wheels i have now i (believe from menards) with 4.80-12 center measures around 2.5. Just wanted to make sure before i order!
Jameson C. profile picture
Etrailer Expert

Jameson C.

2/25/2026

@ReedG Makes sense! You should be good.
See All (4) Replies to Reed G. ∨

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