What Is Load Index On Tires?

What is a good load index for tires?

A tire with a lower load index than the Original Equipment tire indicates the tire does not equal the load capacity of the original. Typically, the load indexes of the tires used on passenger cars and light trucks range from 70 to 126.

What does 120 load index mean on tires?

For example, a light truck tire with a load index of 120/116 means a load capacity for a single tire of 3,086 pounds and a load capacity of 2,756 pounds for two tires. The reason the capacity for two tires is lower than a single tire is to make sure that the vehicle can continue to carry the load should one tire fail.

Is load index important on tires?

Why Is Tire Load Index Important? The tire load index tells you how much weight your tire can carry, and overloading your tires is never a good idea! When you put too much weight on your tires, you can cause damage and wear them down prematurely. Even worse, you run the risk of experiencing a tire blowout.

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Is higher load index better?

The higher the tire’s load index number, the greater its load carrying capacity. Typically, the load indexes of the tires used on passenger cars and light trucks range from 70 to 130.

Should I get H or T rated tires?

Tires with higher speed ratings generally have better steering response and cornering grip than lower-speed rated tires, in addition to being capable of higher speeds. So if your car originally came with Hrated tires, that’s what you should replace them with. Sticking with Hrated tires comes at a cost.

Does tire load index affect ride?

Within the load index of a specific tire, one adjusts the tire pressure to achieve the desired load capacity; that tire pressure will also affect ride comfort and wear patterns on the tread (too high a pressure, and the tread will wear faster in the middle than at the side; too low a pressure, and the tread will wear

Is Load Index 121 a 10 ply tire?

Therefore load range simply tells how tough the tire is and the allowable PSI. For example, an ā€œEā€ load range indicates that a tire is equivalent to a 10ply construction tire. In realitly, this tire is not built with 10 plies, but rather one or two plies of equivalent strength.

What’s better load range D or E?

For a given brand and size tire, the load range E has a higher maximum load capacity than the load range D. The E tire is built and rated for 80 psig, while the D tire is (as I recall) built and rated for 65 psig maximum inflation pressure.

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Do XL tires ride rough?

The XL tires have a stiffer sidewall and will ride a bit more ‘rough‘. Probably will respond quicker too as they have stiffer sidewalls.

What does Q mean on a tire?

Tires with a Q speed rating can safely sustain speeds of up to 99 miles per hour. The tire may be able to reach higher speeds, but going faster than 99 mph for any length of time is not safe. The tire is not designed to handle the stresses.

What is a tire load index of 117?

Using the Load Range Chart, the 117/112 load index equates a load capacity for a single tire of 2,833 pounds and a load capacity of 2,469 pounds for two tires. The reason the capacity for two tires is lower than a single tire is to make sure that the vehicle can continue to carry the load should one tire fail.

What does 121 118R mean on tires?

90S, 95T, 121/118R, etc. These digits after the tire size, 90S in this example, are the “load index” and “speed rating”. That just means that the maximum pressure on one tire is higher than the other. However, this again is only at maximum pressure which is more than you would usually use.

Are extra load Tyres better?

When an XL tyre is run at the pressure recommended by the vehicle manufacturer, it will last longer. These tyres are considered to have greater grip and better traction. Because they are more rigid, they will corner better and maintain stability.

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Is it OK to fit Tyres with a higher load rating?

It’s absolutely crucial to the safety of your driving experience that you select a tyre with an appropriate load rating for your vehicle’s needs. If in any doubt at all, always go for a higher load rating than you need, as this won’t cause any harm to your vehicle.

What load rating is 10 ply?

Light Truck Tires

LT-Metric, LT-Flotation and LT-Numeric Light Truck Tires
Load Range Ply Rating Maximum Load Pressure ā‰¤ 295mm / 11.5″ wide
D 8 65 psi (450 kPa)***
E 10 80 psi (550 kPa)***
F 12 95 psi (650 kPa)***

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