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Does a car carrier belong to the category of semi-trailer tractors?

2 Answers

LeHailey

07/28/25 11:58pm

A car carrier belongs to the category of semi-trailer tractors, and it is also known as a vehicle transport truck. Definition of a semi-trailer tractor: A semi-trailer tractor is a commercial vehicle equipped with special devices for towing semi-trailers. The front part with driving capability is called the tractor, while the rear part without driving capability is called the trailer, which is pulled by the tractor. Difference between semi-trailers and full trailers: Generally, a full trailer has two axles, while a semi-trailer has one axle. A semi-trailer refers to a vehicle that has no power of its own and relies on the main vehicle for towing and shared load-bearing. Simply put, a full trailer is connected to the front truck via a hook, whereas a semi-trailer is connected to the tractor's fifth wheel through a kingpin. A common example of a semi-trailer combination is the container transport truck, where the rear loading part is the semi-trailer.

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BraxtonLee

08/12/25 4:16am

I've been driving big trucks in a fleet for over a decade and have seen all kinds of car carriers. A car carrier typically refers to a vehicle specifically designed to transport passenger cars, and it's not a semi-trailer tractor as a whole; a semi-trailer tractor is the front part, specifically used to pull the trailer behind that carries the vehicles. Simply put, a car carrier is a system: the front is the tractor unit (semi-trailer tractor), and the back is the loading platform (semi-trailer), which together can transport multiple vehicles. If we only mention the car carrier, it refers to the entire vehicle, including the tractor unit and the trailer body, while the semi-trailer tractor only refers to the power unit. In reality, car carriers may also use full trailers or other designs, but the mainstream is still the semi-trailer form. Safety is important—misclassification can affect maintenance or insurance choices, so all vehicle owners should clearly understand the difference.

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