Selecting Replacement Special Trailer Tires for 4-Horse Tandem Axle Gooseneck Trailer
Question:
Hello, I am currently looking to replace my 4 horse gooseneck trailer tires. It is an older large trailer with a smaller living quarters in the front. Currently the previous owners had LT235/75R15 on the trailer. I know I need an ST tire but not exactly sure which tire. I typically haul all 4 horses at the same time so need a tire that can really hold up well.
asked by: Alex
Expert Reply:
We can help you with new tires to keep you, your trailer and your horses safe on the road.
The best starting point is the trailer's main sticker or identification plate; this is the one that has its VIN, and its gross vehicle weight rating (GVWR), which is the most the loaded trailer can safely weigh. Usually this will be found near the front/tongue area but it be placed in other locations too.
If an axle rating or GVWR is not available you can estimate the trailer weight rating based on the dimensions of its axles. Axles with 2-3/8-inch diameter are usually rated for 3500-lbs. An axle that has a 3-inch diameter is usually rated for 6000-lbs to 7200-lbs. An axle 3-1/2-inches in diameter is most often rated for 8000-lbs.
Ideally you will select new tires so that their combined 4-tire weight capacity is substantially more than the trailer's maximum weight. This difference provides a safety margin which is always desirable. Tires operated below their maximum capacity also tend to run cooler and last longer. In addition to weight load ranges trailer tires also come in various speed ratings. For instance, Provider ST235/85R16 Radial Trailer Tire # TTWPRG235R16 has a speed rating M, which means it is good to 81-mph.
We do not offer light truck (LT) or special trailer (ST) tires in your current size 235/75R15 but one of the articles linked for you shows the different tire sizes that will fit on a specific rim size. For instance, a special trailer tire in size 235/80-16 can mount to a 16-inch wheel of four different widths: 6-, 6-1/2-, 7- and 7-1/2-inches. The same holds for tire of size 235/85-16. Our main page for trailer tires is linked.
I will be glad to work with you to help you find the best options. If you can please confirm your trailer GVWR and the wheel size (diameter and width) and I will be happy to offer a recommendation. In the meantime the articles included for you will be helpful.
Products Referenced in This Question
Provider ST235/85R16 Radial Trailer Tire - Load Range G
- Trailer Tires and Wheels
- Tire Only
- Radial Tire
- Load Range G
- 235/85-16
- 16 Inch
- M - 81 mph
- Taskmaster
more information >
Product Page this Question was Asked From
Karrier ST225/75R15 Radial Trailer Tire - Load Range E
- Trailer Tires and Wheels
- Tire Only
- Radial Tire
- Load Range E
- 225/75-15
- 15 Inch
- M - 81 mph
- Kenda
more information >
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