Needing Highest Ply-Rated 13 Inch Trailer Tires

Question:

Trailer tires 175/80/13. 10 ply

asked by: Shelton M

Expert Reply:

The 13 inch tire with the highest ply rating/load rating we offer would be a 185/80-13load range D, which has a 1710 lb per tire/3420 lb per axle rating. If this would work for you, I'd recommend a Lionshead Castle Rock 185/80-13 Load Range D Radial Tire, part # LHCK105.

Lionshead tires include complimentary roadside assistance for 2 years. If your RV or trailer has a flat tire, call the help line and a technician will come change the flat for you. You can call 24 hours a day, 7 days a week, and 365 days a year from anywhere in the United States, Canada, or Puerto Rico.

To get a 10-ply rated tire, you'd need to go up to a 16 inch tire like the 235/85-16 # AM10295 you'd looked at. The 235/85-16 tire would have a diameter of 31.61 and a section width of 9.37 inches. The 185/80-13 tire mentioned above would measure 24.64 inches in diameter with a tread width of 7.24 inches. The 16 inch tire would be about 7 inches taller which would raise the trailer height and reduce fender or wheel well clearance by about 3.5 inches. The 16 inch tires would be about 2-1/2 inches wider, which would move the tire's inside sidewall about 1.25 inches closer to the trailer frame.

Going all the way up to a 16 inch tire would also mean you'll a larger wheel with a different bolt pattern.

I've linked you to our series of help articles about trailer wheels and tires.

expert reply by: Mike L