40 Tons Side Wall Semi Trailer

Product Details
As the core load-bearing structure of the flatbed semi-trailer, the frame is welded together from components such as the main beam, support crossbeam, connecting crossbeam and side beam.
Among them, the main beams mostly adopt high-strength I-beams, and the supporting crossbeams generally use W-shaped beams to enhance the load-bearing capacity. The side beams are selected from channel steel or bent parts according to the vehicle model requirements.

upper structure part

Side rails: The rails on both sides of the vehicle, usually removable or foldable, for easy loading and unloading of goods.
Front rails: The rails fixed to the front of the vehicle to prevent the goods from moving forward.
Tail rails: The rails at the rear that can be opened to facilitate loading and unloading of goods, some of which are designed to be laid flat.
Material: Mostly steel or aluminum alloy, lightweight models will use aluminum alloy to reduce their own weight
Leaf spring suspension: Traditional form, simple structure and strong load-bearing capacity.
Air suspension: Equipped on high-end models, it has excellent shock absorption and is suitable for the transportation of precision goods.

Axles and wheels

The number of axles: double or triple axles are configured according to the load requirement.
Tires: Usually heavy-duty truck tires, with the quantity matching the axles (either double or single tires per axle).
Braking system: It may be equipped with drum brakes or disc brakes, and some models come with ABS.
Product advantages
The flatbed semi-trailer has a flexible structure and is suitable for medium and short-distance transportation of building materials, agricultural and sideline products, daily sundries and other goods. The detachable design of its side panels makes it convenient for forklifts or manual loading and unloading, and it is a commonly used vehicle in the logistics industry.
The cargo box of the flatbed semi-trailer is enclosed by metal flatbed panels (usually steel), with no obstructions on the top, facilitating the loading and unloading of goods from the side or top. The height of the balustrade can be adjusted as needed, with common specifications ranging from 40 to 60 centimeters.

lightweight design

To enhance the cargo carrying efficiency, the vehicle body is mostly made of high-strength steel or aluminum alloy, which ensures strength while reducing self-weight. Some models are equipped with detachable side panels to further reduce the empty load weight.
It supports various loading and unloading methods such as forklifts and cranes, and is suitable for loading goods of irregular dimensions or extremely long lengths (such as steel, wood, and mechanical equipment).

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