Tire Brand: Nitto

Tire Model: Trail Grappler M/T

Check Nitto Trail Grappler M/T tire size chart to find maximum tire inflation as set by manufacturer for your Nitto Trail Grappler M/T tire size. Remember that tire pressure value printed on Nitto Trail Grappler M/T tire sidewall is a maximum tire pressure that Nitto Trail Grappler M/T tire can support when carrying its maximum weight capacity, and it is not a recommended tire pressure setting for your vehicle.

Keep in mind that Nitto Trail Grappler M/T tires can naturally lose 1 to 2 psi of tire pressure monthly, so check Nitto Trail Grappler M/T tire pressure regularly to keep tires inflated at recommended level.

Tire pressure is also affected by changes in temperature. As a rule, tire pressure for Nitto Trail Grappler M/T tires will change by about 1 psi for every 10 degrees Fahrenheit change in atmospheric temperature. Maintain proper Nitto Trail Grappler M/T winter tire pressure by compensating air pressure to your vehicle's recommended tire pressure level when temperatures drop.


Nitto Trail Grappler M/T Tire Inflation Chart

Nitto Trail Grappler M/T tire pressure chart with maximum tire inflation for each tire size.

Tire Size Load Index Speed Rating Max Tire Pressure
33x12.50R15 108 Q 35 psi
33x12.50R20 114 Q 65 psi
33x12.50R22 109 Q 65 psi
35x11.50R18 127 Q 80 psi
35x11.50R20 124 Q 80 psi
35x12.50R17 121 Q 65 psi
35x12.50R18 123 Q 65 psi
35x12.50R20 121 Q 65 psi
35x12.50R22 117 Q 65 psi
37x11.50R20 128 Q 80 psi
37x12.50R17 124 Q 50 psi
37x12.50R18 128 Q 65 psi
37x12.50R20 126 Q 65 psi
37x13.50R20 127 Q 65 psi
37x13.50R22 123 Q 65 psi
38x13.50R20 128 Q 65 psi
38x13.50R22 126 Q 65 psi
38x13.50R24 123 Q 65 psi
38x15.50R20 125 Q 50 psi
40x13.50R17 121 P 35 psi
40x15.50R20 128 Q 50 psi
40x15.50R22 128 Q 65 psi
40x15.50R24 128 P 65 psi
LT245/75R17 121 Q 80 psi
LT255/75R17 108 Q 50 psi
LT265/70R17 121 Q 80 psi
LT265/75R16 123 P 80 psi
LT275/65R20 126 Q 80 psi
LT275/70R18 122 Q 80 psi
LT285/55R20 122 Q 80 psi
LT285/55R22 124 Q 80 psi
LT285/65R18 122 Q 80 psi
LT285/70R16 122 P 80 psi
LT285/70R17 113 Q 50 psi
LT285/70R17 118 Q 80 psi
LT285/75R16 123 Q 80 psi
LT285/75R17 118 Q 80 psi
LT285/75R18 129 Q 80 psi
LT295/55R20 120 Q 80 psi
LT295/60R20 123 Q 80 psi
LT295/65R20 126 Q 80 psi
LT295/70R17 118 P 80 psi
LT295/70R18 126 Q 80 psi
LT305/55R20 118 Q 65 psi
LT315/70R17 118 Q 50 psi
LT315/75R16 124 Q 65 psi
LT325/50R22 122 Q 65 psi
LT325/60R20 123 Q 65 psi
LT355/40R22 122 Q 80 psi
LT375/40R24 126 Q 80 psi
LT375/45R22 128 Q 80 psi

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