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Nitto NT421Q

The NT421Q tire from Nitto is classed as "Truck/SUV All Season - Touring".

You can find the ideal pressure to inflate the Nitto NT421Q to using the table below.

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Tire Sizes Icon Nitto NT421Q Sizes

These are the sizes that the Nitto NT421Q is manufactured in along with the maximum pressure to inflate them to.

Tire Size Diameter Width Max. PSI Max. Load
225/60R17
03V XL BSW 640 A A
 27.64" 8.98" 50 psi 1929 lbs XL
225/65R17
06H XL BSW 640 A A
 28.5" 8.98" 50 psi 2094 lbs XL
235/60R17
06H XL BSW 640 A A
 28.11" 9.45" 50 psi 2094 lbs XL
235/65R17
08H XL BSW 640 A A
 29.06" 9.45" 50 psi 2205 lbs XL
245/65R17
11H XL BSW 640 A A
 29.53" 9.76" 50 psi 2403 lbs XL
255/60R17
10V XL BSW 640 A A
 29.06" 10.24" 50 psi 2337 lbs XL
275/55R17
09V SL BSW 640 A A
 28.9" 11.2" 51 psi 2271 lbs SL
225/55R18
02V XL BSW 640 A A
 27.76" 9.17" 50 psi 1874 lbs XL
235/55R18
04V XL BSW 640 A A
 28.15" 9.65" 50 psi 1984 lbs XL
235/60R18
07W XL BSW 560 A A
 29.09" 9.45" 50 psi 2149 lbs XL
235/65R18
10H XL BSW 640 A A
 30.04" 9.45" 50 psi 2337 lbs XL
245/60R18
09H XL BSW 640 A A
 29.57" 9.76" 50 psi 2271 lbs XL
255/55R18
09V XL BSW 640 A A
 29.02" 10.43" 50 psi 2271 lbs XL
255/65R18
15H XL BSW 640 A A
 31.06" 10.24" 50 psi 2679 lbs XL
265/60R18
14V XL BSW 640 A A
 30.51" 10.71" 50 psi 2601 lbs XL
265/65R18
14H SL BSW 640 A A
 31.54" 10.71" 51 psi 2601 lbs SL
225/55R19
03V XL BSW 640 A A
 28.78" 9.17" 50 psi 1929 lbs XL
235/50R19
03V XL BSW 640 A A
 28.31" 9.65" 50 psi 1929 lbs XL
235/55R19
05W XL BSW 560 A A
 29.17" 9.65" 50 psi 2039 lbs XL
245/55R19
07H XL BSW 640 A A
 29.65" 9.96" 50 psi 2149 lbs XL
255/50R19
07V XL BSW 640 A A
 29.09" 10.43" 50 psi 2149 lbs XL
255/55R19
11V XL BSW 640 A A
 30.04" 10.43" 50 psi 2403 lbs XL
255/60R19
13H XL BSW 640 A A
 31.06" 10.24" 50 psi 2535 lbs XL
265/50R19
10V XL BSW 640 A A
 29.49" 10.91" 50 psi 2337 lbs XL
235/55R20
05W XL BSW 560 A A
 30.16" 9.65" 50 psi 2039 lbs XL
245/50R20
05V XL BSW 640 A A
 29.69" 9.96" 50 psi 2039 lbs XL
255/45R20
05W XL BSW 560 A A
 29.06" 10.04" 50 psi 2039 lbs XL
255/50R20
09V XL BSW 640 A A
 30.08" 10.43" 50 psi 2271 lbs XL
255/55R20
10H XL BSW 640 A A
 31.02" 10.43" 50 psi 2337 lbs XL
265/50R20
11V XL BSW 640 A A
 30.47" 10.91" 50 psi 2403 lbs XL
275/40R20
06W XL BSW 560 A A
 28.66" 10.94" 50 psi 2094 lbs XL
275/45R20
10W XL BSW 560 A A
 29.76" 10.75" 50 psi 2337 lbs XL
275/50R20
13H XL BSW 640 A A
 30.87" 11.18" 50 psi 2535 lbs XL
275/55R20
17V XL BSW 640 A A
 31.89" 11.18" 50 psi 2833 lbs XL
275/60R20
15H SL BSW 640 A A
 32.99" 10.98" 51 psi 2679 lbs SL
285/45R22
14V XL BSW 640 A A
 32.09" 11.22" 50 psi 2601 lbs XL

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