12 Inch Diameter Trailer Tire with 70 MPH Speed Rating
Published 01/22/2019
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Question:
I have a 15 boston whaler 1987 the weight of the boat and motor are 1150 lbs I have 12 inch wheel, would it be better to upgrade the axle and wheel size to t travel on highways at speeds of 65 to 70mph?
asked by: Mark
Expert Reply:
For starters, the weight capacity of your trailer axle does not directly affect the speed rating of your trailer. The speed rating is more or less limited by the tires. We have several 12" diameter tires for you with the speed rating you desire so upgrading your trailer axle is not really necessary.
In order to make sure we get you the correct one I would need to know what size your tires are. This should be listed on a tag somewhere on the trailer or you can just use the size you have now for a reference. For example, if you have 4.80x12 tires then you can use part # TT48012C which has a 990 lb (per tire) weight capacity and an 81 mph speed rating. If you have 5.30x12 tires then you can use part # TT53012C which has a 1,050 lb (per tire) weight capacity and an 81 mph speed rating. The load range of the tires will be doubled as you have two tires on your trailer so the total would be 1,980 lbs for part # TT48012C and 2,100 lbs for part # TT53012C.
If you have different size tires please just let me know.
Product Page this Question was Asked From
Taskmaster 4.80R12 Radial Trailer Tire - Load Range C
- Trailer Tires and Wheels
- Tire Only
- Radial Tire
- Load Range C
- 4.80-12
- 12 Inch
- M - 81 mph
- Taskmaster
more information >
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