Section Width
Aspect Ratio
Overall Diameter (mm)

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The M55F is Toyo Tires’ all-terrain 4x4 tyre designed for four-wheel-drive commercials. The all-terrain tread pattern provides high levels of traction on a variety of surfaces, while the M55F’s robust casing construction and anti-chip/cut tread compound makes it suitable for harsh conditions. The M55F is available in a variety of light truck construction tyre sizes across Australia and delivers top quality performance with affordable technology at the right price.

Load Index

The load rating (represented by the numerical value) is related to the maximum weight that tyre can carry. So in this case 105 would refer to a load capacity of 925kg, with most passenger vehicle load indexes range from 62 to 126.

In all instances the tyres load index must meet or exceed the value displayed on the vehicles placard.

Speed Symbol

The speed category symbol, for example 'S', indicates the maximum speed at which the tyre can carry a load corresponding to its load index. So in this case, 'S' would refer to a maximum speed of 180km/hour.

See the chart below for a full list of speed symbols and their applicable values.