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 IndexLoad in Kg per TyreLoad IndexLoad in Kg per TyreLoad IndexLoad in Kg per TyreLoad IndexLoad in Kg per TyreLoad IndexLoad in Kg per TyreLoad IndexLoad in Kg per Tyre
501907033590600110106013019001503350
511957134591615111109013119501513450
522007235592630112112013220001523550
532067336593650113115013320601533650
542127437594670114118013421201543750
552187538795690115121513521801553875
562247640096710116125013622401564000
572307741297730117128513723001574125
582367842598750118132013823601584250
592437943799775119136013924301594375
6025080450100800120140014025001604500
6125781462101825121145014125751614625
6226582475102850122150014226501624750
6327283487103875123155014327251634875
6428084500104900124160014428001645000
6529085515105925125165014529001655150
6630086530106950126170014630001665300
6730787545107975127175014730751675450
68315885601081000128180014831501685600
69325895801091030129185014932501695800

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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