Search results show a range of common trailer tire sizes, including small/utility sizes such as 4.80-8, 4.80-12 and 5.30-12, and passenger-style trailer sizes like ST175/80D13 and ST205/75D14–ST205/75D15.
Most assemblies are listed as Load Range C (often shown as 6PR). Listed per-tire load capacities vary by size and pressure rating in the results, with examples ranging from about 760 lb up to 1,820 lb depending on the specific tire and listing.
The listings commonly show 5-lug wheels on a 4.5" bolt circle and some 4-lug wheels on a 4" bolt circle, depending on the specific assembly.
The listings commonly describe these trailer tires as bias-ply construction with 6-ply / Load Range C ratings on many sizes. Descriptions also reference multiple nylon cord layers and double steel belts for reinforcement—specific construction details vary by tire and listing.
Inflation pressure varies by tire size and load rating across listings. Example pressures shown in the results include values such as 50 PSI, 80 PSI and 90 PSI tied to specific load ratings—check the individual tire listing for the exact PSI for that size and load.
Many assemblies are sold pre-mounted and described as ready-to-install or ready-to-roll; some listings also note they are balanced to simplify replacement and installation.
