ST185/80R13 Tire Pressure Chart

Corresponding tire load capacity at specified tire inflation pressures for ST185/80R13 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 990 lbs 1100 lbs 1200 lbs (B) 87 1300 lbs 1400 lbs 1480 lbs (C) 94 1580 lbs 1650 lbs 1710 lbs (D) 99
Max Load Dual 870 lbs 970 lbs 1050 lbs (B) 82 1150 lbs 1230 lbs 1280 lbs (C) 89 1390 lbs 1460 lbs 1520 lbs (D) 95
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
ST185/80R13
Single Tire
990 lbs 1100 lbs 1200 lbs (B) 87 1300 lbs 1400 lbs 1480 lbs (C) 94 1580 lbs 1650 lbs 1710 lbs (D) 99
ST185/80R13
Dual Tires
870 lbs 970 lbs 1050 lbs (B) 82 1150 lbs 1230 lbs 1280 lbs (C) 89 1390 lbs 1460 lbs 1520 lbs (D) 95

ST185/80R13 is a Special Trailer tire available in 3 load ranges. ST185/80R13 tires can be used in dual rear wheel application.

Use our Replacement Tire Pressure Calculator to calculate proper tire inflation for replacement tires to match the original equipment tire load capacity on your vehicle.

ST185/80R13/B 87/82 tire with load range B and load index of 87 has a maximum single tire load capacity of 1200 lbs @ 35 psi, capable of supporting up to 1200 pounds or 544 kilograms, while dual tire application with load index of 82 has a maximum dual tire load capacity of 1050 lbs @ 35 psi, capable of supporting up to 1050 pounds or 476 kilograms when inflated to its maximum air pressure of 35 pounds per square inch (psi) or 241 kilopascals (kPa).

ST185/80R13/C 94/89 tire with load range C and load index of 94 has a maximum single tire load capacity of 1480 lbs @ 50 psi, capable of supporting up to 1480 pounds or 671 kilograms, while dual tire application with load index of 89 has a maximum dual tire load capacity of 1280 lbs @ 50 psi, capable of supporting up to 1280 pounds or 581 kilograms when inflated to its maximum air pressure of 50 pounds per square inch (psi) or 345 kilopascals (kPa).

ST185/80R13/D 99/95 tire with load range D and load index of 99 has a maximum single tire load capacity of 1710 lbs @ 65 psi, capable of supporting up to 1710 pounds or 776 kilograms, while dual tire application with load index of 95 has a maximum dual tire load capacity of 1520 lbs @ 65 psi, capable of supporting up to 1520 pounds or 689 kilograms when inflated to its maximum air pressure of 65 pounds per square inch (psi) or 448 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.

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Tires with ST185/80R13 tire size

2 tire models are available in ST185/80R13 tire size. Click on tire model to check its inflation and load capacity values.

Vehicles with ST185/80R13 tire size

No available vehicles with ST185/80R13 as original equipment tire size.