40x14.50R18 Tire Pressure Chart

Corresponding tire load capacity at specified tire inflation pressures for 40x14.50R18 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
Max Load 2680 lbs 3075 lbs 3415 lbs (C) 123
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
40x14.50R18 2680 lbs 3075 lbs 3415 lbs (C) 123

40x14.50R18 is a radial Flotation tire available in 1 load range.

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

40x14.50R18/C 123 tire with load range C and load index of 123 has a maximum tire load capacity of 3415 lbs @ 35 psi, capable of supporting up to 3415 pounds or 1549 kilograms when inflated to its maximum air pressure of 35 pounds per square inch (psi) or 241 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.

Replacement tire sizes compatible with 40x14.50R18 tire

40x14.50R18 tire can be replaced with 3 compatible tire sizes. Click on tire size to see its load and inflation table.