1. What is a side wall trailer & fence semi trailer? FengYuan side wall trailer and fence semi trailer developed on the basis of a container flatbed trailer, these trailers have a side wall or stake structure design and wide range of uses.These cargo semi trailers use to load a wide range of products and materials, like sand, bags, poultry etc. Also the some bulk cargo, very widely used in the transportation industry. Suitable for the mid/long distance transportation of the mid/heavy duty and bulk cargo.  It has become the first choice for medium and long distance freight trailers. The cargo semi-trailer can be added with a container turn lock to transport the container.   What are the types of FengYuan dropside trailer? Our factory has 2 axle, 3 axle, 4 axle dropside trailer and fence semi trailer, grain trailer and the cargo drawbar trailer. And load capacity has 30/40/60/80/100 tons for your choice. Customizable side board height.    3 Axle Sidewaill Semi Trailer with high side wall   2. FengYuan Side wall/fence cargo trailer specs, capacity, dimension and drawing   3 axle 60 ton side wall trailer L*W: 12500mm*2500mm Sidewall Height: 1000mm Max. Payload: <60T Application: Coal/Cargo/Containers Loading Material: Q345B Steel Bottom Platform: 3mm-thick checkered plate King Pin: JOST brand 2.0 or 3.5inch(bolted or welded type) Support Leg: JOST brand Suspension: Airbag / mechanical / bogie suspension Axles: FUWA/BPW/other Brand     Tires: 12.00R22.5/315 80R22.5(Specially designed and for oversea markets)   3 axle 60 ton side wall semi trailer drawing   3 axle fence semi trailer L*W: 12500mm*2500mm Sidewall Height: 2000mm Max. Payload: <60T Application: Coal/Cargo/Containers Loading Material of the main beam : Q345 high strength steel King Pin: JOST brand 2.0 or 3.5inch(bolted or welded type) Suspension: Mechanical suspension Axles: FUWA/BPW/FengYuan/other Tires: 12.00R22.5/315 80R22.5(Specially designed and for oversea markets) Brake System: WABCO   Electrical System: 24-volt lighting system   3 axle fence semi trailer drawing   3. How does FengYuan pack and deliver sidewall semi trailers? Many customers use container shipment, which has low transportation cost and short transportation time. But the bad thing is that the rear of the side wall semi trailer needs to be composed. Some customers are bulk freighter or ro-ro ships. Our sideboards trailer will spray wax and cover the tarpaulin when the side wall trailer use bulk freighter.   4. What are the components of FengYuan sidewall/fence semi trailer? 1. Sidewall/fence semi trailer frame is the main and important part of load-bearing. It is composed of main beams, side beams, cross beams and tilted supports. 2. High side board. The side wall is divided into a flat plate and a vertical corrugated board. Can be detached or welded to death. 3. Side wall trailer protection device. Trailer protection protect pedestrians and other vehicles from getting under the FengYuan sidewall semi-trailer. It can also reduce wind resistance and save fuel. 4. Traction king pin of side wall trailer. The traction pin is an important component that connects fence semi trailer to the tractor and withstands traction, and is connected to the traction seat.  5. Support leg. In order to make the semi-trailer reliably parked after leaving the truck head, the front end of the frame is equipped with two support legs that are linked left and right or left and right. 6. Axles and tires. Three axle assemblies of the same structure are installed under the suspension system. 7. Suspension system. The suspension system is a three-axis leaf spring suspension, which is used to support the load and has the function of absorbing driving vibration and so on. 8. Brake and operating device. The side wall semi trailer uses a dual-line pneumatic braking system and is equipped with an anti-lock braking system (ABS). 9. Electrical system. Our factory open top trailer is equipped with an international electrical system that is compatible with the tractor. 10. Trailer attachment. Other accessories on the semi-trailer include tool box, spare tire frame, stakes and so on. There are also some small accessories, such as tight-fitting ropes and rope hooks.   5. How to purchase a side wall semi trailer? How to know the quality of a FengYuan side wall semi trailer? The easiest way is to look at the weight of the cargo semi trailer. The heavier the weight of cargo trailer, the better the quality. The 3 axle cargo trailer purchased by African customers self weighs is 7.8 tons. If the weight is only 6.7 tons, the cost of this general cargo trailers can save more than 1,000 dollars. Here are a few more important points 1. Working platform of side wall trailer The work platform is the main load-bearing part, which is composed of the main beam, side beam, cross beam, bottom floor, suspension and so on. (1) The main beam should pay attention to whether the thickness is an international standard. The international standard for the main beam of a fence cargo semi trailer is 14/8/16 mm. The steel plate in the middle of the beam is made of Q345B manganese steel, the thickness is 8mm. Many unreliable suppliers will use 6mm main beam to save costs. But the carrying capacity was reduced by 26%. The international standard thickness of the middle part of the beam must be 8mm. (2) Bottom Floor, many Platform semi trailer are also used to transport bulk cargo and other items. The bottom plate of the Drop Side Body Trailers passes the international standard 3mm thick checkered plate. If it is replaced with a 2mm thick pattern plate or a 2.5mm bottom plate. Cost can be reduced by $ 700. (3) Side door. The common height of side door is 600mm, 800mm, 1000mm. The side door adopts vertical corrugated structure. The door frame is a 40x60mm rectangular steel tube. (4)Stake style. The overall height of the fence cargo trailer, the overall height of the stake trailer is 1.6 meters, 1.8 meters, 2 meters. You can customize the height and style of the fences trailer. 2. Axles and Tires of general cargo trailers Axles: The axles of dry cargo trailer for sale are divided into three types: 13-ton axles, 13-ton axles + 16-ton brake system axles, 16-ton axles, The axle of the Fengyuan dropside trailer is a 13-ton axle + 16-ton brake system axle, which has better braking performance and shortens the braking distance by more than 5 meters. Tire: The 3 axle sidewall trailer uses a vacuum tire with better heat dissipation performance, the model is 12R22.5. FengYuan dry goods carrier trailer uses custom made tires in a tire factory., wear-resistant tires. On Chinese highways, FengYuan tires can reach more than 300,000 kilometers. 3. Suspension of cargo semi trailer Suspension. FengYuan multi-function semi trailer suspension adopts special high-strength steel. 6mm thickness. Center pin diameter is 70mm. Stronger than suspensions in many factories. Stronger than suspensions in many factories.