Load and Speed

It is possible to carry more load than determined by the tire load index, as long as the maximum operating speed determined by the speed symbol is decreased.
For these cases, we put at your disposal a table that shows the relationship between these two variables, so that you can easily determine the correct load for the operating speed of the vehicles in your fleet.

Tire Speed Rating vs. Load Index Chart

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How to read the Speed vs Load Index Table?

CASE: TIRE KMAX S 295/80R22.5 152/148 L
As determined in the service description, each tire can carry up to 3,550 kg (load index 152) when mounted single and up to 3,150 (load index 148) when mounted double, respecting the maximum speed of 120 km / h (speed symbol L), inflated to a pressure of 125 lbs. (per air pressure chart).
Using the table of load variation as a function of speed and consulting the column corresponding to the tire speed symbol (L = 120), it is verified that, by reducing the maximum operating speed to 60 km / h (speed line = 60), the maximum incident load on each tire can be increased by 10%.
Thus, the same pressure of 125 lb is respected. At the maximum speed of 60 km / h, each tire will withstand the following maximum correct operating loads:
3,905 kg if mounted simple (3,550 kg increased by 10%)
• 3,465 kg if double mounted (3,150 kg increased by 10%)

Diagonal and radial type tires up to cap. Load “F” and millimeter, use column L = 120 (12 P.R.)

* (1) Speed (km / h): It is considered to apply the table, as the maximum speed that the vehicle can develop under full load.

* (2) Speed symbol (km / h): indicates the speed at which the tire can support a certain load, depending on its application.

* (3) Load values in kg / tire used in single bearing.