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How wide are the tires on a semi trailor?

The width of the tires on a semi-trailer can vary depending on the specific trailer and its intended use. However, here are some common tire sizes used on semi-trailers:

- Wide-base tires:

- Typically range in width from 385 millimeters (15.2 inches) to 445 millimeters (17.5 inches).

- Provide increased stability and load-carrying capacity compared to narrower tires.

- Narrower tires:

- Typically range in width from 275 millimeters (10.8 inches) to 315 millimeters (12.4 inches).

- Often used on lighter-duty semi-trailers or in specific applications where narrower tires are preferred.

It's important to note that tire size and width may also vary based on factors such as the trailer's axle configuration, load requirements, and the regulations governing the use of commercial vehicles in different regions or countries.