You likely have heard many different names used for the giant vehicles that haul goods and cargo on the highway — semi-truck, tractor-trailer, big rig, 18-wheeler, or simply truck. But do each of these names refer to different types of vehicles? Are there any differences between a truck, semi-truck, and 18-wheeler?
Depending on the context, the term “truck” may refer to a wide range of commercial vehicles, including box trucks, tractor-trailers, 18-wheelers, and semi-trucks. These specific terms typically refer to a truck’s body type, wheels, and other defining characteristics.
A semi-truck has two parts: a trailer, which carries cargo, and a tractor, which contains the engine. Notably, a semi-truck’s tractor can detach from its trailer, and semi-trucks often travel without trailers.
The terms 18-wheeler and tractor-trailer simply refer to a semi-truck and its trailer. Tractor-trailers are sometimes called 18-wheelers due to the total number of wheels on the tractor and trailer.
A commercial vehicle transports goods or passengers for a profit. Semi-trucks often fall under this definition. A vehicle could also be considered a commercial vehicle if it meets a certain weight threshold. A semi-truck will certainly qualify as a commercial motor vehicle when combined with a trailer.
Semi-trucks have various types of trailers, each designed for a specific job or to haul a particular kind of cargo. These include:
The things you do after a truck accident can impact your health and ability to recover compensation. If possible, you should:
If you suffered injuries in a truck crash that was not your fault, reach out to the attorneys at Swenson & Shelley for a free, no-obligation consultation. A semi-truck accident lawyer from our law firm can explain your rights and options for seeking compensation for your losses. Call or contact us today.
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