Semi-trailer Truck


A semi-trailer truck, also known as a semi, tractor-trailer, or 18-wheeler, is a type of heavy-duty transport vehicle that consists of a tractor unit and a detachable semi-trailer. The tractor unit has an engine and a cab for the driver, while the semi-trailer is designed to carry cargo or freight. The combination of the tractor and trailer allows for the efficient transportation of large volumes of goods over long distances. Semi-trailer trucks are a common sight on highways and are widely used in the logistics and supply chain industry for freight transportation.

— sennder Team


Semi-trailer trucks can carry a wide range of cargo, including general merchandise, bulk goods, refrigerated items, hazardous materials, and oversized or heavy equipment. The type of cargo determines the specific design and configuration of the semi-trailer.
A semi-trailer truck consists of a separate tractor unit and semi-trailer, allowing for flexibility in coupling and uncoupling trailers as needed. In contrast, a rigid truck has a fixed chassis and cargo area, limiting its versatility in handling different cargo types or capacities.
Semi-trailer trucks offer several advantages for freight transportation, such as increased cargo capacity, fuel efficiency, and ease of maneuverability. They also allow for quick loading and unloading, as the tractor unit can detach from the trailer and move on to the next job while the trailer is being loaded or unloaded.
Driving a semi-trailer truck typically requires a specialized commercial driver's license (CDL) and additional training or endorsements depending on the specific type of cargo being transported, such as hazardous materials or oversized loads.
Some challenges associated with semi-trailer truck transportation include managing driver fatigue and ensuring compliance with regulations related to hours of service, vehicle weight limits, and safety requirements.
Example or usage in road freight logistics

A logistics company uses a fleet of semi-trailer trucks to transport goods from a manufacturer's facility to various distribution centers across the country. The semi-trailer trucks provide an efficient means of moving large volumes of cargo over long distances, allowing the company to meet customer delivery deadlines and maintain a high level of service.

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