ST175/80R13 Tire Pressure
Discover the load limits at various inflation pressures for ST175/80R13 tires to ensure your vehicle's tires are properly inflated for a safe and comfortable drive.
ST175/80R13 is a Special Trailer tire that comes in 2 load ranges. ST175/80R13 tires can be used in dual rear wheel application.
ST175/80R13 tire with load range B and load index of 84 has a maximum single tire load capacity of 1100 lbs at 35 psi, capable of supporting up to 1100 pounds or 499 kilograms, while dual tire application with load index of 79 has a maximum dual tire load capacity of 965 lbs at 35 psi, capable of supporting up to 965 pounds or 438 kilograms when inflated to its maximum air pressure of 35 pounds per square inch (psi) or 241 kilopascals (kPa).
ST175/80R13 tire with load range C and load index of 91 has a maximum single tire load capacity of 1360 lbs at 50 psi, capable of supporting up to 1360 pounds or 617 kilograms, while dual tire application with load index of 87 has a maximum dual tire load capacity of 1200 lbs at 50 psi, capable of supporting up to 1200 pounds or 544 kilograms when inflated to its maximum air pressure of 50 pounds per square inch (psi) or 345 kilopascals (kPa).
ST175/80R13 Tire Pressure Chart
| Tire Size | 25 psi | 30 psi | 35 psi | 40 psi | 45 psi | 50 psi | 55 psi | 60 psi | 65 psi | 70 psi | 75 psi | 80 psi | 95 psi | 110 psi |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max Load Single | 905 lbs | 1000 lbs | 1100 lbs (B) 84 | 1190 lbs | 1270 lbs | 1360 lbs (C) 91 | ||||||||
| Max Load Dual | 795 lbs | 880 lbs | 965 lbs (B) 79 | 1050 lbs | 1110 lbs | 1200 lbs (C) 87 |
Use the tire pressure calculator to determine proper inflation for new tire size when replacing ST175/80R13 tires.
All listed guides, data and/or calculations are for informational purposes only. TirePressure.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information.