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How to Select New Tires for Boat Trailer

Question:

I dont know anything about axle weight. My boat weights 1875. Does that help?

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Expert Reply:

The weight of a boat won't really have any bearing on what replacement tires you need. The most important thing is to get tires so their combined capacity exceeds the GVWR of your trailer. You are also going to need a tire that fits your current wheels so without information in that capacity it really is not possible to get you the correct tire, though I can show you some examples so you know what to look for.

If you have a boat that weighs nearly 2,000 lbs you may have a single axle trailer with a 3,500 lb axle. If you measure the diameter of your axle and find it is 2-3/8 inches you know you have a 3,500 lb axle, and I'm guessing this is what you probably have.

Then you'll need to know the diameter of your wheel and it is possible yours is 15 inches, which is pretty common so you will need a tire that fits a 15 inch wheel and has the capacity to handle your trailer and boat.

The best trailer tire available is the Goodyear Endurance and model # 724861519 is sized 205/75R15 and will fit wheels that are 15" x 5", 15" x 5-1/2", 15" x 6", and 15" x 6-1/2" wheels. Additionally it has an overall diameter of 27.1" which is important because you need to know that you have clearance so your tire won't hit your fender. It also has a width of 8" which is important because you need clearance so the tire won't rub against your trailer frame.

I have added links to a number of help articles on trailer tires and sizes which I strongly recommend checking out and if you let me know the size of your wheel and your GVWR I can help you find the correct tire.

expert reply by:
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Kyle S

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