LT315/70R18 Tire Pressure Chart

Proper tire load capacity at specified tire inflation pressures for LT315/70R18 tires.

Tire Size 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)
Single Tire
2600 lbs 2780 lbs 3015 lbs 3305 lbs 3470 lbs 3690 lbs 3860 lbs Show Specs
Dual Tires
2365 lbs 2530 lbs 2745 lbs 3010 lbs 3160 lbs 3360 lbs 3515 lbs Show Specs

LT315/70R18 is an LT-Metric tire with maximum tire load capacity of 3860 lbs @ 65 psi for a single tire, and maximum tire load capacity of 3515 lbs @ 65 psi when used in dual rear tire application.

Calculate proper tire load capacity for LT315/70R18 tire within inflation range of 35 psi to 65 psi. Inflating LT315/70R18 tire over 65 psi will not increase its maximum load carrying capacity of 3860 pounds.

When replacing vehicle's original equipment tires with LT315/70R18 tire, calculate proper replacement tire inflation based on original tire's load capacity at its recommended tire pressure. Never overload LT315/70R18 tire above its maximum load capacity of 3860 lbs.

Original Tire is
Metric or P-Metric

All listed data is for informational purposes only. 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 LT315/70R18 tire size

2 tire models are available in LT315/70R18 tire size. Click on tire model to check its maximum tire inflation and tire load capacity.

Vehicles with LT315/70R18 tire size

No available vehicles with LT315/70R18 as original equipment tire size.