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Custom-built 2- to 5-axle side wall semi trailers with payload capacities from 30 to 100 tons, reinforced chassis, and fixed, drop-side, foldable or removable side panels.
A side wall trailer, also known as a side wall semi trailer, is an open-platform semi trailer fitted with side panels that help contain cargo during transport. It combines the loading flexibility of a flatbed trailer with added protection for general cargo.
Unlike a flatbed trailer, which has a fully open cargo deck, a side wall trailer provides side containment to help keep loads secure during transport. This makes it well suited to cargo that may shift or require additional support while in transit.
Flatbed trailers are typically preferred for oversized or irregular loads, while side wall trailers are better suited to bagged, palletized, and general cargo.
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These specifications help you determine whether the trailer is suitable for your payload, tractor compatibility, loading method, and maintenance needs. Final specifications will be confirmed before production based on your application requirements.
| Item | Specification |
|---|---|
| Product Type | Side Wall Trailer |
| Axle Configuration | 2, 3, 4, or 5 axles |
| Axle Capacity | 13-ton or 16-ton axles |
| Payload Capacity | 20–100 tons, depending on axle and chassis configuration |
| Overall Dimensions | Customized according to axle configuration and cargo requirements |
| Side Wall Height | Customized |
| Side Panel Structure | Fixed, drop-side, foldable, or removable |
| Suspension System | Mechanical or air suspension |
| Main Beam | 500 mm high; 14 mm upper flange, 14 mm web plate, and 16 mm lower flange; plate thicknesses can be customized according to payload requirements. |
| Platform Plate | 3 mm steel plate or customized for heavy-duty applications |
| Tires | 12R22.5, quantity based on axle configuration |
| Wheel Rims | 9.00 × 22.5, quantity based on axle configuration |
| Landing Gear | 28-ton two-speed landing gear |
| Kingpin | 2-inch or 3.5-inch bolted kingpin |
| Brake System | Dual-line pneumatic braking system |
| Electrical System | 24 V system with 7-core socket and wiring harness |
| Lighting System | LED tail lights, brake lights, turn signals, side marker lights, and reflectors |
| Surface Treatment | Shot blasting, anti-corrosion primer, and finish coating |
| Color | Customized |
Customization Note:
Configuration can be adjusted according to your confirmed cargo requirement, local operating needs, and tractor compatibility.
Sometimes a short video explains more than a side wall semi trailer specification sheet. From factory activity to product updates, these videos add another way to understand our work and the products we build.
A suitable configuration should balance payload capacity, loading efficiency, on-road performance, and long-term operating costs. The following guide compares the available options to help you select the configuration that best suits your application.
Axle configuration should be selected based on payload requirements, operating conditions, and local regulations.:
The capacities listed above are general references, while the final specification depends on chassis design, axle capacity, tire selection, and intended application.
Mechanical suspension: Durable, easy to maintain, and suitable for heavy loads and demanding road conditions. It provides a firmer ride with less shock absorption compared with air suspension.
Air suspension: Provides a smoother ride, improved cargo protection, and better load distribution between axles. It offers greater comfort but requires a higher initial investment and more careful maintenance.
Both suspension systems use reliable components and are selected. Mechanical suspension is commonly chosen for durability and cost efficiency, while air suspension is preferred when ride quality and cargo protection are key considerations.
Side walls can be fixed, foldable, or removable depending on the loading method and cargo requirements.
Foldable side walls simplify loading and unloading operations, while removable panels provide greater flexibility for oversized or irregular cargo. Fixed panels offer a simple and durable solution for standard transport applications.
Side wall height depends on cargo volume, package dimensions, loading equipment, and containment requirements. Higher side walls increase cargo capacity but may add weight and affect loading efficiency.
Reinforced chassis: Recommended for heavy payloads, demanding road conditions, and frequent transport of dense cargo such as cement, steel, and construction materials.
Heavy-duty platform: Recommended when forklifts regularly operate on the trailer deck or when pallets and heavy materials create concentrated loads on the platform.
Standard platform: Suitable for evenly distributed bagged goods, cartons, and general cargo, helping reduce overall trailer weight and operating costs.
The chassis supports the trailer’s overall load, while the platform and cross members distribute the forces generated during loading and transport.
Lionkar is a China-based manufacturer of side wall trailers with a 75,000 m² production facility and an annual capacity of approximately 2,500 trailers to africa. We supply customers across Asia, Africa, and South America.
Our factory manages the main production stages, from material preparation and chassis fabrication to side wall assembly, surface treatment, and final assembly. Direct control of production allows technical requirements to be discussed directly with the manufacturer and helps maintain consistent dimensions, component installation, and production standards across standard and customized orders.
The images below provide a look inside our side wall trailer factory, showing key stages from chassis fabrication and structural assembly to side wall installation and final preparation.
Before you order a side wall trailer, we help you review cargo type, axle options, suspension choice, tire specification, king pin requirement, color, and other configuration details.
Different cargo types create different requirements for side wall height, deck support, loading access, and cargo securing. The configuration should be matched to the way the goods are packed, loaded, and transported.
Bagged cement, fertilizer, grain, and feed are easy to stack but can shift during repeated movement. The side wall semi trailer gives these loads a clear side boundary, helping keep bags organized on the platform and reducing the risk of outward movement. You can also choose side wall height and panel structure according to bag size, loading volume, and unloading method.
Bricks, concrete blocks, stone slabs, and similar building materials are dense, heavy, and often loaded in batches. The side wall semi trailer supports this type of cargo with a strong loading platform and side panels that help define the loading edge. For buyers moving different building materials, the side wall structure makes cargo arrangement more controlled during loading and transport.
Agricultural cargo often changes by season, from grain bags and seed bags to farm supplies and packed produce. A side wall semi trailer gives you enough deck access for loading while helping keep cargo within the platform area. Side wall height, removable panels, and tarpaulin frame options can be discussed when your cargo needs better covering, easier access, or seasonal flexibility.
Palletized goods, cartons, packaged supplies, and mixed trade cargo need a trailer body that keeps loads arranged without slowing down access. The side wall semi trailer helps organize different cargo sizes on one platform and gives drivers a clearer loading boundary. For distributors and dealers, this is useful when each trip may include different product sizes, packaging types, and unloading points.
Send your cargo details and get a side wall trailer configuration recommendation.
Every order ends with a customer’s experience. Here you’ll find comments and feedback shared by side wall semi trailer buyers from different industries, markets, and cooperation projects.
Business relationships are built through conversation as much as products. This collection captures moments from customer visits, side wall semi trailer factory meetings, and face-to-face discussions with partners from around the world.
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Long before a side wall trailer reaches its destination, every order goes through a series of preparation steps. This gallery highlights part of that process, from handling and loading to export preparation.
These questions help you understand how to choose, compare, and specify a side wall trailer before requesting a quotation.
The trailer must be specified to match your tractor’s fifth-wheel height, kingpin size, electrical connections, air-brake system, and rated towing capacity.
Please provide your tractor model or technical specifications before production so that the coupling height and connections can be confirmed.
Not always. The stated payload refers to the trailer’s structural load capacity, while the legally permitted load may be lower.
Actual road limits depend on local axle-load restrictions, gross vehicle weight regulations, tractor weight, and cargo distribution.
The final configuration should therefore be checked against the regulations in the country of operation.
The side walls provide some side containment but do not offer full weather protection.
A removable tarpaulin, cover frame, or other covering system can be added for bagged goods, agricultural products, and other cargo that must remain dry. For cargo requiring fully enclosed protection, an enclosed trailer may be more suitable.
Cargo should not rely on the side panels alone for restraint. Tie-down points, ropes, straps, chains, and tarpaulins can be used according to the cargo type and securing requirements.
Heavy or concentrated cargo may require additional or reinforced lashing points.
Quality can be verified through records, photos, weld inspections, brake and electrical testing, and a final pre-shipment inspection.
Customers may also request a remote video inspection or an independent third-party inspection before shipment.
Customers who are able to visit the factory can inspect the completed side wall trailer in person. This provides the most direct inspection but requires travel and time.
An accurate quotation typically requires details about the cargo and target payload, preferred axle configuration and trailer dimensions, side wall height and loading method, road conditions, tractor specifications, destination port, and any applicable local certification requirements.
We also offer standard configurations for common applications. If a standard configuration meets your payload, operating conditions, and tractor requirements, it can be used without requiring a fully customized specification. Our team can recommend a suitable configuration based on the information available.
With a source factory where side wall semi trailers can be custom-built, and with years of experience in production, choose us to maximize your benefits.
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