Tyre Load Index: Why is it important?

Speed-Rating-of-a-tyre

Load index is the maximum weight that each tyre of your vehicle can carry at the maximum speed limit given by the manufacturer. It is generally denoted by a two or three digit numbers that represent the load bearing limit of each tyre and is found mentioned on the sidewall of your tyre between the diameter reading and the speed rating.

Read more about : How to read a tyre

For example, if the load index given on the tyre is 95, then it depicts that the tyre is capable of carrying a maximum load of 690 kg or if a tyre has a load index of 65, then it can carry a maximum weight of 290 kg.

In order to distribute equal weight to all the four tyres of your vehicle, you need to buy all the tyres with the same load capacity.To determine the load limits, refer to your vehicle owner’s manual. Typically, the load indexes of the tyres used in passenger cars and light trucks range from 70 to 110.

In case your tyre is worn-off and you are willing to install an all-new set of tyres, keep in mind that you should replace them with tyres that have similar or higher load index. It is also recommended that the rim size on which the tyres are going to be fitted should also be the same as the original as smaller rim width can reduce the load bearing capacity of a tyre. It is very important to know the exact load capacity of your car because if you choose the wrong set of tyres for your vehicle, then it may cause your insurance to be invalid. Here, we have come up with a Load Index Look-up chart that shows Load index and subsequent load in kg per tyre.

Load Index Look-up chart

Load Index Load in Kg per Tyre Load Index Load in Kg per Tyre Load Index Load in Kg per Tyre Load Index Load in Kg per Tyre Load Index Load in Kg per Tyre Load Index Load in Kg per Tyre
50 190 70 335 90 600 110 1060 130 1900 150 3350
51 195 71 345 91 615 111 1090 131 1950 151 3450
52 200 72 355 92 630 112 1120 132 2000 152 3550
53 206 73 365 93 650 113 1150 133 2060 153 3650
54 212 74 375 94 670 114 1180 134 2120 154 3750
55 218 75 387 95 690 115 1215 135 2180 155 3875
56 224 76 400 96 710 116 1250 136 2240 156 4000
57 230 77 412 97 730 117 1285 137 2300 157 4125
58 236 78 425 98 750 118 1320 138 2360 158 4250
59 243 79 437 99 775 119 1360 139 2430 159 4375
60 250 80 450 100 800 120 1400 140 2500 160 4500
61 257 81 462 101 825 121 1450 141 2575 161 4625
62 265 82 475 102 850 122 1500 142 2650 162 4750
63 272 83 487 103 875 123 1550 143 2725 163 4875
64 280 84 500 104 900 124 1600 144 2800 164 5000
65 290 85 515 105 925 125 1650 145 2900 165 5150
66 300 86 530 106 950 126 1700 146 3000 166 5300
67 307 87 545 107 975 127 1750 147 3075 167 5450
68 315 88 560 108 1000 128 1800 148 3150 168 5600
69 325 89 580 109 1030 129 1850 149 3250 169 5800

FAQs

 

  • What happens if the tyres carry more weight than load index?
    Overloading your vehicle places stress on your tyres and other critical vehicle components. It can also lead to poor handling, expanded fuel utilization and might cause tyre failure. It can likewise cause severe cracking, component separation or “blowout.”  Read more about : Proper Maintenance of Tyres

 

  • Can I use tyres with higher load index than my manufacturer’s recommends?
    Yes, this might be possible. But first check in your vehicle’s manufacturer documentation if these tyres are suitable and might be mounted on your vehicle.

 

 

  • Can I use tyres with lower load index than my manufacturer’s recommends?
    It is not advisable to use a tyre with lower load index. A tyre with a lower load index than your manufacturer’s specifications, can’t properly support the weight of your vehicle and its load.

 

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