: Always ensure the tire is marked ST (Special Trailer) . Never use passenger (P) or light truck (LT) tires unless specifically authorized by the manufacturer, as they lack the necessary load capacity and sidewall stiffness.
: Common boat trailer sizes look like ST175/80R13 . This denotes the width (175mm), aspect ratio (80%), construction type (R for radial), and rim diameter (13 inches). buy boat trailer tires
: This indicates the tire's carrying capacity, typically labeled as a letter (B, C, D, or E): Range C : Supports roughly 1,820 lbs per tire. Range D : Offers higher 8-ply strength for heavier boats. : Always ensure the tire is marked ST (Special Trailer)
Buying boat trailer tires is a critical safety decision because trailers face unique stresses like heavy static loads, high heat, and frequent submersion in water. Unlike standard car tires, trailer tires are specifically designed with stiffer sidewalls to handle these demands and prevent dangerous swaying. This denotes the width (175mm), aspect ratio (80%),
Check your trailer's (usually located on the frame) or the existing tire's sidewall for these critical markings: