Looking For 12" Tires With Higher Speed Rating For Utility Trailer
Updated 09/12/2025 | Published 05/29/2025
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Question:
Ive got a utility trailer that I want to convert for my kayak. The tires are rated of 55mph. Can I upgrade the tires so it can be used on the hwy? 4.80/4.00 /12 with a 4 bolt pattern. The trailer has specs on the plate that also say
asked by: Johnathan H
Expert Reply:
Hey Johnathan, thanks for reaching out. If you want to stick with the 4.80-12 tires we do have the Kenda K353 Bias Trailer Tire - 4.80-12 - Load Range C # AM10062 which is rated for 65 mph. That will be the highest speed rating available for that tire size.
It may be possible to go with a slightly larger tire depending on how much clearance you have in your wheel well area. Ideally you want at least 3" between the tire and the fender, and at least 1" between the inside of the tire and the frame of the trailer. The ST145/R12 tires are about 1/2" larger in diameter than the 4.80-12 tires so as long as you have a small amount of room to spare, you can upgrade to the Rambler ST145/R12 Radial Trailer Tire - Load Range D # TA89GR which is rated for 81 mph.
I hope this helps. Hit the reply button below and let me know if there is anything else you need.
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Easy Grease Trailer Idler Hub Assembly for 2K Axles - 4 on 4 - Galvanized
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- L44643 / L44643
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- etrailer
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Jesse M.
9/12/2025
Hey Johnathan, did you have a chance to check the clearance in your wheel well area to see if the larger Rambler tire would fit? I'm asking because knowing your outcome could help others looking to upgrade their trailer tires for highway use.