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Shiyun Trailer is a trusted flatbed trailer manufacturer in China, building flatbed semi-trailers for container transport, steel products, machinery and general cargo. Our open flatbed trailer and gooseneck flatbed trailer models are engineered for strength, safety, and long service life across global markets.
A flatbed trailer is a semi truck flatbed trailer with a flat, level deck and no sides or roof. This open design makes loading and unloading fast from the top, side or rear. It is used to haul containers, steel coils, pipes, machinery, construction equipment, timber and bagged goods that do not need enclosed protection.
Our semi flatbed trailer range also covers container transport, using twist locks to secure 20ft, 40ft and 45ft ISO standard containers.
| Item | Specifications | Remark |
|---|---|---|
| Material | High strength Carbon steel T700 or manganese steel Q345B | |
| Main beam | H beam | beam extendable optional |
| Axles | 11.5 ton, 13 ton (16 ton, 20 ton) capacity | FUWA, BPW, AN, CTC or GT Brand |
| Suspension | Mechanical suspension | Air suspension optional |
| Leaf spring | Leaf spring | Air bag lifting optional |
| Tire | 11R22.5, 12R22.5, 315/80R22.5, 385/65R22.5 | Other size and brand optional |
| King pin | 2” / 3.5” bolt type, SAE standard | Welding on type optional (JOST) |
| Landing gear | 28 Ton two speed | JOST or equivalent brand |
| Platform | Checked plate 3mm | Other thickness optional |
| Side beam | 160mm | |
| Twist locks | 4–14 pcs | |
| Braking system | Dual line brake system, double air chamber, brake valve, 40L air tanks | ABS optional |
| Electrical | LED light, 7 ways, 24V | |
| Painting | Blasting and clean rust, 1 coat of prime painting, 2 coat of finish painting | |
| Accessory | Tool box, oil tank, spraying system optional |
Above data can be customized per your local regulation and requirement
A gooseneck flatbed trailer has a lowered front section that connects to the tractor kingpin. This design lowers the deck height and gives more room for tall or over height loads. It also improves stability during long haul transport.
We build two main gooseneck flatbed trailer types:
Fixed gooseneck flatbed trailer. The gooseneck section is welded to the main frame. It offers a strong, rigid platform for general and container cargo.
Removable gooseneck flatbed trailer (RGN). The gooseneck detaches from the deck so equipment can be driven straight on and off. This is ideal for construction machinery, generators and other self propelled loads.
According to the dimensions of ISO standard containers, the most common lengths for container flat deck semi-trailers are 20ft, 40ft and 45ft. (Others size also optional)Classified by different functions and design features, flat bed truck trailers can be divided into the following categories:
Similar to the 20ft skeleton semi-trailer, the 20foot flatbed semi-trailer can be used for transporting containers as well as various types of bulk and general cargo.It features a similar length to the skeleton trailer, usually equipped with a dual-axle setup as standard, although a tri-axle configuration is also available for customer selection.
Most customers prefer the 40ft and 45footer trailers as it can carry two 20ft containers at the same time.Such trailers are generally equipped with three axles as standard, but we can also customize the number of axles according to customers’ special requirements.And is generally equipped with 4 to 14 twist locks.To reduce the overall weight, many customers also choose single-tire 385/65R22.5 flatbed trailer container ,air bag suspension flatbed trailer or aluminum alloy material flatbed trailer container trailer.
Dual axles flatbed semi trailer
Triple axles single tires flatbed trailer
3 axles double tires flatbed trailer
4 axles flatbed trailer
5 axles flatbed trailer
Aluminum flatbed semi trailer
The extendable flatbed semi-trailer is also a very common model, and customized solutions can be provided according to the length required by customers.
The Superlink tandem flatbed semi-trailer can be designed as a combination of a 20ft lead trailer and a 40ft rear trailer. It can also be configured with both 20ft or both 40ft sections, perfectly meeting the specialized transportation requirements of certain countries.low flatbed trailer with extensive application range.
Step-wise, also known as drop deck low flatbed trailer, features a lower center of gravity. Its gooseneck design enables transportation of over-height cargos within height limits, greatly improving transportation safety.
To facilitate the unloading of goods inside containers, flatbed semi-trailers can perfectly meet this demand.
The container is fixed firmly by twist locks, and goods can be unloaded after opening the rear door of the container.
This type of vehicle can not only transport standard containers, but also directly unload the cargo inside the containers by self-discharging. It is convenient, efficient and multi-purpose with one vehicle for multiple applications.
2 axles 20ft flatbed dump trailer
2 axles 40ft flatbed dump trailer
3 axles 40ft flatbed dump trailer
Based on the flatbed semi-trailer, we can add front head board ,side bars, drop side wall, or fences to meet the transportation needs of different types of cargo.
-Installing frond head board or rear head board of a flatbed semi-trailer can effectively prevent cargo from falling off, cushion inertia during transportation, and make operation safer and more convenient.
By installing stakes (side bars)on the flatbed semi-trailer, it can transport timber(log), bagged cement and other goods, effectively preventing cargo from falling off and making transportation safer and more stable.
Drop side semi-trailers are more practical with side board installed on both sides.The height of the side boards can be customized as per customer requirements, normally ranging from 600mm to 2000mm.Container twist locks can be retained together with the side boards, allowing the trailer to achieve more diverse transportation functions.
Fence semi-trailers generally have a higher protective structure, with a lower side board and an upper stake fence. Container twist locks can be retained, and both the side boards and stake fence are removable, making the vehicle more versatile for different transportation needs.
Shiyun flatbed trailers use Jost kingpins, Fuwa or BPW axles and reinforced load bearing sections for higher durability. Every unit passes structural testing and rust protection treatment, including sandblasting, prime coating and finish painting, before shipment.
We export flatbed semi trailers, gooseneck flatbed trailers and heavy duty flatbed trailers worldwide, with shipping options including 40ft container, 45ft container and RoRo vessel.
Tell us your cargo type, load capacity and axle preference. Our team will recommend the right flatbed trailer or gooseneck flatbed trailer for your operation.