ST175/80R13 Tire Pressure Chart

Corresponding tire load capacity at specified tire inflation pressures for ST175/80R13 tires.

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
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
ST175/80R13
Single Tire
905 lbs 1000 lbs 1100 lbs (B) 84 1190 lbs 1270 lbs 1360 lbs (C) 91
ST175/80R13
Dual Tires
795 lbs 880 lbs 965 lbs (B) 79 1050 lbs 1110 lbs 1200 lbs (C) 87

ST175/80R13 is a Special Trailer tire available in 2 load ranges. ST175/80R13 tires can be used in dual rear wheel application.

Use our tire pressure calculator to calculate proper tire inflation for replacement tires to match the original equipment tire load capacity on your vehicle.

ST175/80R13/B 84/79 tire with load range B and load index of 84 has a maximum single tire load capacity of 1100 lbs @ 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 @ 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/C 91/87 tire with load range C and load index of 91 has a maximum single tire load capacity of 1360 lbs @ 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 @ 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).

All listed 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. Always refer to vehicle owner's manual for recommended tire pressure settings. Never overinflate or overload a tire beyond its maximum capabilities listed on sidewall.

Tires with ST175/80R13 tire size

3 tire models are available in ST175/80R13 tire size. Click on tire model to check its inflation and load capacity values.