40x14.50R18 Tire Pressure Chart

Proper tire load capacity at specified tire inflation pressures for 40x14.50R18 tires.

Tire Size 25 psi 30 psi 35 psi (B) 40 psi 45 psi 50 psi (C) 55 psi 60 psi 65 psi (D) 70 psi 75 psi 80 psi (E) 95 psi (F) 110 psi (G)
40x14.50R18
Single Tire
2680 lbs 3075 lbs 3415 lbs Show Specs
40x14.50R18
Dual Tires
2440 lbs 2800 lbs 3110 lbs Show Specs

40x14.50R18 is a Flotation radial tire with maximum tire load capacity of 3415 lbs @ 35 psi for a single tire, and maximum tire load capacity of 3110 lbs @ 35 psi when used in dual rear tire application.

Calculate proper tire load capacity for 40x14.50R18 tire within inflation range of 25 psi to 35 psi. Inflating 40x14.50R18 tire over 35 psi will not increase its maximum load carrying capacity of 3415 pounds.

When replacing vehicle's original equipment tires with 40x14.50R18 tire, calculate proper replacement tire inflation based on original tire's load capacity at its recommended tire pressure. Never overload 40x14.50R18 tire above its maximum load capacity of 3415 lbs.

Original Tire is
Metric or P-Metric

All listed data is for informational purposes only. TirePsi.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. For individual tire size, refer to its load and inflation table.

Tires with 40x14.50R18 tire size

No available tire models with 40x14.50R18 tire size.

Vehicles with 40x14.50R18 tire size

No available vehicles with 40x14.50R18 as original equipment tire size.