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.
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.
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- 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.