What Is the Height of Semi Truck?

A semi truck, also known as a tractor-trailer or 18-wheeler, is a large truck used to transport goods and materials. The semi truck is typically composed of two parts: the tractor, which consists of the driver’s cab and the engine, and the trailer, which is loaded with cargo. Semi trucks are an essential part of the modern transportation system, as they are used to transport goods across long distances.

The height of a semi truck differs depending on its size and design. Generally speaking, most semi trucks range from 13 to 15 feet in height.

This includes both the tractor and the trailer. The exact height can vary depending on whether or not it has an aerodynamic design or if it has additional features such as sleeper cabs.

Semi trucks must adhere to certain regulations regarding their size and weight. The Federal Bridge Law limits the total length of any combination vehicle, including a semi truck, to 65 feet in length. This law also sets a maximum weight limit for all vehicles on public highways at 80,000 pounds.

In addition to these regulations, many states have their own laws regulating the size and weight of semi trucks on their roadways. It is important for drivers to be aware of these laws before setting out on any journey with their vehicle.


The height of a semi truck can range from 13 to 15 feet depending on its size and design. Regulations also exist limiting its length and weight when travelling on public highways. Drivers should be aware of these laws before taking their vehicle out on any journey.

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Stephen Dunn