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What is the length of a semi-trailer?

3 Answers

OEthan

09/02/25 7:45am

Box-type semi-trailers come in size specifications of 9.5 meters, 10.5 meters, 11 meters, 11.5 meters, 12.5 meters, 12 meters, and 13 meters. Below are the maintenance methods for semi-trailers: 1. Body waxing and glaze sealing: The acidic components in rainwater can strongly corrode the car's paint. 2. Chassis rust-proofing and paint removal: The chassis is close to the ground and prone to corrosion, so it is essential to pay attention to cleaning and rust-proofing the vehicle's chassis. 3. Trailer disinfection: Cleaning the interior of the vehicle during the rainy season can prevent various bacteria from harming the human body. 4. Timely circuit inspection: During the rainy season, the vehicle's electrical system should be checked frequently to avoid leakage faults.

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BeauLynn

09/15/25 2:57am

I've been driving big trucks for over 20 years. The length of semi-trailers usually ranges between 13 to 16 meters, depending on local regulations. For example, the maximum length in China's standards is about 13.75 meters, while in some parts of Europe it's shorter, just over 12 meters. Longer trucks have larger turning radii, making them prone to accidents in narrow streets or curves. I remember once almost scraping a roadside post while parking in the city. New drivers need to be extra careful as length affects handling stability. When choosing a truck, balance cargo capacity with road conditions - safety comes first, otherwise the fines for exceeding limits can be severe.

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StAdalynn

10/29/25 3:36am

From a traffic regulation perspective, semi-trailer length varies by country: the US permits 53 feet (~16 meters), China caps at 13.75 meters, while Europe has shorter limits around 12.2 meters. These restrictions are based on road safety and stability considerations to prevent loss of control during turns or at high speeds. Excessive length increases blind spots and rollover risks; regulations aim to protect all road users. Practically, I recommend checking local laws rather than relying solely on average figures.

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