ST225/75R15 Tire Pressure Chart

Corresponding tire load capacity at specified tire inflation pressures for ST225/75R15 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 1430 lbs 1600 lbs 1760 lbs (B) 100 1880 lbs 2020 lbs 2150 lbs (C) 107 2270 lbs 2380 lbs 2540 lbs (D) 113 2620 lbs 2720 lbs 2830 lbs (E) 117
Max Load Dual 1260 lbs 1410 lbs 1570 lbs (B) 96 1650 lbs 1770 lbs 1870 lbs (C) 102 2000 lbs 2090 lbs 2200 lbs (D) 108 2310 lbs 2380 lbs 2470 lbs (E) 112
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
ST225/75R15
Single Tire
1430 lbs 1600 lbs 1760 lbs (B) 100 1880 lbs 2020 lbs 2150 lbs (C) 107 2270 lbs 2380 lbs 2540 lbs (D) 113 2620 lbs 2720 lbs 2830 lbs (E) 117
ST225/75R15
Dual Tires
1260 lbs 1410 lbs 1570 lbs (B) 96 1650 lbs 1770 lbs 1870 lbs (C) 102 2000 lbs 2090 lbs 2200 lbs (D) 108 2310 lbs 2380 lbs 2470 lbs (E) 112

ST225/75R15 is a Special Trailer tire available in 4 load ranges. ST225/75R15 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.

ST225/75R15/B 100/96 tire with load range B and load index of 100 has a maximum single tire load capacity of 1760 lbs @ 35 psi, capable of supporting up to 1760 pounds or 798 kilograms, while dual tire application with load index of 96 has a maximum dual tire load capacity of 1570 lbs @ 35 psi, capable of supporting up to 1570 pounds or 712 kilograms when inflated to its maximum air pressure of 35 pounds per square inch (psi) or 241 kilopascals (kPa).

ST225/75R15/C 107/102 tire with load range C and load index of 107 has a maximum single tire load capacity of 2150 lbs @ 50 psi, capable of supporting up to 2150 pounds or 975 kilograms, while dual tire application with load index of 102 has a maximum dual tire load capacity of 1870 lbs @ 50 psi, capable of supporting up to 1870 pounds or 848 kilograms when inflated to its maximum air pressure of 50 pounds per square inch (psi) or 345 kilopascals (kPa).

ST225/75R15/D 113/108 tire with load range D and load index of 113 has a maximum single tire load capacity of 2540 lbs @ 65 psi, capable of supporting up to 2540 pounds or 1152 kilograms, while dual tire application with load index of 108 has a maximum dual tire load capacity of 2200 lbs @ 65 psi, capable of supporting up to 2200 pounds or 998 kilograms when inflated to its maximum air pressure of 65 pounds per square inch (psi) or 448 kilopascals (kPa).

ST225/75R15/E 117/112 tire with load range E and load index of 117 has a maximum single tire load capacity of 2830 lbs @ 80 psi, capable of supporting up to 2830 pounds or 1284 kilograms, while dual tire application with load index of 112 has a maximum dual tire load capacity of 2470 lbs @ 80 psi, capable of supporting up to 2470 pounds or 1120 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.

Tires with ST225/75R15 tire size

4 tire models are available in ST225/75R15 tire size. Click on tire model to check its inflation and load capacity values.