ST225/90R16 Tire Pressure Chart

ST225/90R16 is a Special Trailer tire available in 4 load ranges. ST225/90R16 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.

ST225/90R16/B 108/103 tire with load range B and load index of 108 has a maximum single tire load capacity of 2200 lbs @ 35 psi, capable of supporting up to 2200 pounds or 998 kilograms, while dual tire application with load index of 103 has a maximum dual tire load capacity of 1930 lbs @ 35 psi, capable of supporting up to 1930 pounds or 875 kilograms when inflated to its maximum air pressure of 35 pounds per square inch (psi) or 241 kilopascals (kPa).

ST225/90R16/C 115/110 tire with load range C and load index of 115 has a maximum single tire load capacity of 2680 lbs @ 50 psi, capable of supporting up to 2680 pounds or 1216 kilograms, while dual tire application with load index of 110 has a maximum dual tire load capacity of 2340 lbs @ 50 psi, capable of supporting up to 2340 pounds or 1061 kilograms when inflated to its maximum air pressure of 50 pounds per square inch (psi) or 345 kilopascals (kPa).

ST225/90R16/D 121/117 tire with load range D and load index of 121 has a maximum single tire load capacity of 3200 lbs @ 65 psi, capable of supporting up to 3200 pounds or 1451 kilograms, while dual tire application with load index of 117 has a maximum dual tire load capacity of 2830 lbs @ 65 psi, capable of supporting up to 2830 pounds or 1284 kilograms when inflated to its maximum air pressure of 65 pounds per square inch (psi) or 448 kilopascals (kPa).

ST225/90R16/E 124/120 tire with load range E and load index of 124 has a maximum single tire load capacity of 3520 lbs @ 80 psi, capable of supporting up to 3520 pounds or 1597 kilograms, while dual tire application with load index of 120 has a maximum dual tire load capacity of 3080 lbs @ 80 psi, capable of supporting up to 3080 pounds or 1397 kilograms when inflated to its maximum air pressure of 80 pounds per square inch (psi) or 552 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.