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255/40R17 tire load inflation table provides tire pressure psi corresponding to tire's weight load in pounds (lbs).
If your vehicle is carrying extra load, you might want to increase your tire pressure accordingly, but do not overinflate your tires above the maximum tire pressure level indicated on your tire sidewall. Remember that overinflating your tires does not increase their load carrying capacity.
Psi / Load Index
|26 psi||1102 lbs||1135 lbs||1124 lbs|
|27 psi||1124 lbs||1168 lbs||1157 lbs|
|28 psi||1146 lbs||1190 lbs||1179 lbs|
|29 psi||1201 lbs||1235 lbs||1224 lbs|
|30 psi||1246 lbs||1290 lbs||1279 lbs|
|31 psi||1257 lbs||1301 lbs||1290 lbs|
|32 psi||1290 lbs||1334 lbs||1323 lbs|
|33 psi||1345 lbs||1378 lbs||1378 lbs|
|34 psi||1367 lbs||1400 lbs||1400 lbs|
|35 psi||1389 lbs||1433 lbs||1422 lbs|
|36 psi||1433 lbs||1477 lbs||1466 lbs|
|37 psi||1433 lbs||1477 lbs||1488 lbs|
|38 psi||1433 lbs||1477 lbs||1510 lbs|
|39 psi||1433 lbs||1477 lbs||1565 lbs|
|40 psi||1433 lbs||1477 lbs||1587 lbs|
|41 psi||1433 lbs||1477 lbs||1609 lbs|
|42 psi||1433 lbs||1477 lbs||1653 lbs|
Tire brands and models with 255/40R17 tire size. Click on tire model to see its tire pressure chart.
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