Semi-trailer – A common special vehicle for cargo transportation. The semi-trailer cannot provide power by itself and can only be towed by an additional semi-truck. Semi-trailers are usually many times larger than ordinary cargo trucks and are more efficient for long-distance transportation. Therefore, it has been widely used.
According to the regulations of the International Organization for Standardization (ISO) on various indicators of semi-trailers, the maximum size limit of common semi-trailers is:
| Maximum limit of dimensions of different types of semi-trailers (in ft) | ||||
|---|---|---|---|---|
| Semi Trailer Type | Length | Width | Height | |
| Flatbed Trailer Side Wall Trailer Fence Cargo Trailer Dump Trailer Fuel Tanker Trailer |
1 Axle | 28.2 | 8.4 | 13.1 |
| 2 Axle | 32.8 | |||
| 3 Axle | 42.7 | |||
Depending on the number of semi-trailer axles, the permissible maximum gross mass limits are:
| The maximum allowable total mass limit (unit: tons) | |
|---|---|
| Type | Maximum allowable total mass |
| 1 Axle | 18 |
| 2 Axle | 35 |
| 3 Axle | 40 |
Common Semi Trailer Types and Their Sizes
Flatbed Trailer
Side Wall Trailer
Fence Cargo Trailer
Dump Trailer
Fuel Tanker Trailer
Container Trailer Dimensions(Flatbed/Skeleton Trailer)
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Flatbed trailers and skeleton trailers are collectively referred to as container trailers. As the name suggests, the main purpose of container trailers is to transport containers, which are often found in ports and terminals. Its size is related to the size of the container being transported. The dimensions of the two types of container semi-trailers are as follows:
| Container semi trailer standard dimensions | ||||
|---|---|---|---|---|
| Container Trailer Type | Length | Width | Height | Tare |
| Skeleton Trailer | 20′ – 40′ | 7.5′ – 8.2′ | 4.1′ – 5.7′ | 5.6-7.5t |
| Flatbed Trailer | 8.0′ – 8.4′ | |||
Side Wall Trailer Dimensions
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The side wall trailer is widely used and is suitable for the transportation of medium and heavy goods and various bulk goods. The side wall trailer is composed of a cargo platform and detachable fences around it, which can be removed during work to facilitate loading and unloading of goods. The standard dimensions of the side wall trailer is:
| side wall semi-trailer dimensions | |
|---|---|
| Length | 36.1′ – 42.7′ |
| Width | 8.0′ – 8.4′ |
| Height | 8.9′ |
| Side Wall Height | 2.0′ – 3.3′ |
| Weight | 7.8t |
Fence Cargo Trailer Dimensions
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Fence cargo trailers are also called livestock trailers, which can be used to transport bulk goods such as crops, as well as livestock such as pigs and sheep. Fence cargo trailers consist of a trailer chassis and a detachable fence structure. Simple structure and easy disassembly. Fence cargo trailer dimensions are as follows:
| Fence cargo Semi Trailer Dimensions | |
|---|---|
| Length | 41′ – 50′ |
| Height | 10.2′ – 13.1′ |
| Width | 8.0′ – 8.4′ |
| Carry capacity | 40t |
| Tare | 7.5 – 12t |
Dump Trailer Dimensions
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Dump trailers are divided into end dump trailers and side tipper trailers, which use different unloading methods. Its loading compartment can automatically tip over at a certain angle when unloading. It can greatly save unloading time and labor, shorten the transportation cycle, and improve production efficiency. End Dump Trailer and Side Tipper Trailer Dimensions:
| Dump trailer dimensions | |||||
|---|---|---|---|---|---|
| Type of Dump Trailer | Length | Width | Height | Capacity | Carry capacity |
| End Dump Trailer | 21.7′ – 38.7′ | 7.6′ – 9.8′ | 11.8′ – 13.1′ | 80cbm | 60t |
| Side Tipper Trailer | 35.1′ – 42.7′ | 70cbm | 30t | ||
Fuel Tanker Trailer Dimensions
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The fuel tanker trailer is used to transport liquid fuels such as gasoline and diesel. The fuel tanker trailer is composed of a trailer chassis and an oil tank body, and the tank body is made of carbon steel and aluminum alloy. The detailed parameters are as follows:
| Fuel Tanker Trailer Dimensions | |
|---|---|
| Length | 36′ – 43′ |
| Width | 8.4′ |
| Height | 11′ – 13.1′ |
| Tank Dimensions | Customized according to standards |
| Volume | 9250 – 14500 gallon |
The above are the dimensions of several common semi-trailers. The standard length of the semi-trailer is 28-43 feet, which can be customized within the standard range according to the goods transported and the transportation needs. Different types of semi-trailers have different purposes, so the configuration and parameters of various aspects are also different. According to the regulations of the International Organization for Standardization (ISO) on various indicators of semi-trailers, we can customize a semi-trailer that meets your requirements.
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