Dimensions and Capacity of Provider ST235/85R16 Load Range G Tires

Question:

I’m a little confused. I’ve attached pictures from your website. On the specs for the above tire the weight load is listed at 4,400#, but in the attached answer on your website AND in the specs for this tire on a rim the weight limit is quoted at 4,080#. Also, the tire specs say width of 9.25” in one place but 9.75” elsewhere. What’s the correct information? We currently have 235/80R16 and trying to decide if we should go to 85R16. I thought we might want to for the higher 4,400 weight capacity, but is that accurate? Any reasons why we should or should not make the switch? I’m also concerned about the age of tires I may receive from eTrailer since we know age of trailer tires are their downfall, not tread wear. Thank you.

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Expert Reply:

The Provider ST235/80R16 Radial Trailer Tire - Load Range G # PRG80235 are rated for 4,080 lbs at 110 psi and speeds up to 81 mph. You will see that we have 16 inch wheels that are rated for up to 4,400 lbs but when combined with this tire, you will be limited by the lesser weight capacity. For instance the Provider ST235/80R16 Radial Trailer Tire w/ 16" White Mod Wheel - 8 on 6-1/2 - Load Range G # A16R80GWM has a steel wheel rated for 4,400 lbs but the tire is only rated for 4,080, so the max capacity of this combination is 4,080 lbs per tire or 8,160 lbs per axle.

This particular combination comes with a 2 year warranty from date of purchase and includes roadside assistance 24/7 for that 2 years.

I've linked the page to all your combination options with a load range G 235/80-16 Tire. We just have the one tire with a 30.8 inch diameter and a 9.3 inch section width. It is compatible with many wheel rim sizes: 16x6, 16x16.5, and 16x7 inches.

You are correct that trailer age is an issue but this is largely due to the way they are stored. We don't keep tires in our warehouse for long and we have a climate controlled atmosphere where the tires are not stored awkwardly and never have UV rays to break them down prematurely.

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Jason S

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Question:

Thanks Jason, unfortunately you didn’t answer the question. The question is relating to the tire in the subject line and the 5 photos I attached which is the ST235/85R16 NOT the 80R16 which is the size we already have and what I am considering replacing with the 85R16.

asked by: Joy

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Expert Reply:

My apologies, I didn't get the original photos but appreciate the follow up so I can help with the information you are seeking. Thanks for clarifying the size desired.

The Provider ST235/85R16 Radial Trailer Tire - Load Range G # TTWPRG235R16. This tire is rated for 4,400 lbs at 110 psi and speeds up to 81 mph. It has a width of 9.25 inches which will not change when mounted and has an outer diameter of 31.73 inches when inflated on a 16 inch wheel.

Many 16 inch wheels won't have that capacity and will be rated to 3,500 lbs, but some like the Taskmaster Steel Modular Trailer Wheel - 16" x 6" Rim - 8 on 6-1/2 - Silver # TTW660865SM3 will handle that 4,400 lb load capacity. This wheel also comes with the metal valve stem you would need like # AM20906 for the over 100 psi capacity.

If you want that higher capacity and the measurements are within the clearances for your trailer frame on the inside and the spring deflection for your suspension then an upgrade is a great option.

If you want an already balanced tire and wheel combination, we have the Provider ST235/85R16 Radial Tire w 16" Viking Aluminum Wheel - 8 on 6-1/2 - LR G - Black # A16RGBML or Gray # A16RGGMML rated for your desired capacity.

expert reply by: Jason S
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Jason S

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