What is a Center-Axle Trailer?
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Center-axle trailers are a type of full trailer where the axles are positioned in the middle. Due to stability concerns, full trailers are explicitly prohibited from driving on highways by national regulations. Relevant details are as follows: Introduction to Center-Axle Trailers: A trailer with two axles, both placed in the middle of the trailer, is called a center-axle trailer. Because both axles are located in the middle, a center-axle trailer cannot maintain balance on its own and requires support legs to 'stand' when not connected to another vehicle. Driving of Center-Axle Trailers: The towing device cannot move vertically (relative to the trailer), and the axle is located close to the trailer's center of gravity (under uniform load). This type of vehicle exerts only a small vertical static load on the towing vehicle, not exceeding 10% of the trailer's mass or 10,000N (whichever is smaller). One or more axles can be driven by the towing vehicle.