Your Professional Curtain Side Trailer Manufacturer!
Liangshan Gongniu Auto Technology Co., Ltd. is rooted in Liangshan, China. It is a comprehensive enterprise specializing in the field of customized trailers. Its core business covers the manufacturing of multiple types of products such as container trailers, dump trailers, fuel tank trailers, and powder tank trailers. At the same time, it provides export services for second-hand commercial vehicles.
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3 Axle Curtain Side Trailer3 Axle Curtain Side TrailerCustomized curtain trailers, with their deeply customized attributes in terms of size, carrying capacity and application, have broken through the functional limitations of
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Mid Axle Cord TrailerTire optional brands: Triangle, Chaoyang, Chengshan, Shuangqian, Oles.. Self-weight: 6000-8000kg.. Material: Q345B or T700..
Why Choose Us
High Quality
Relying on advanced intelligent production equipment and standardized workshops, our company has established a strict quality control system. Its products not only have high quality and high cost performance, but also have passed authoritative certifications such as SGS, ISO 9001 and CCC, ensuring compliance with international market access standards.
One-stop Service
To simplify the export process for customers, the company offers a one-stop service covering scheme design, production and manufacturing, cross-border transportation, customs declaration and clearance, significantly reducing customers' time and communication costs.
Customizable
The company takes "customization" as its core strength and can tailor semi-trailers of different loads, sizes and functions according to the differentiated demands of global customers, ranging from heavy-duty models for mines to dedicated models for urban logistics, fully meeting the needs of various scenarios.
Production Market
Our products have been widely distributed in Southeast Asia, Africa, Central Asia, the Middle East, South America and other regions. In response to the road conditions and regulatory characteristics of different markets, we provide rapid after-sales support, including spare parts supply and technical guidance.
Technical Parameters
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Vehicle name |
3-axle curtain (curtain side) trailer |
|
Size |
12500-17500*2550*4000mm (cargo box height can be adjusted according to requirements) |
|
Axle |
Fuwa or BPW or Bull* 3*13 tons |
|
Suspension |
Mechanical suspension (or air suspension) |
|
Leaf spring |
90mm*13mm*10 pcs or high-quality air spring |
|
Tire |
385/65R22.5*6 or 295/60R22.5*12pcs |
|
Optional tire brands |
Triangle, Chaoyang, Chengshan, Shuangqian, Olais |
|
Weight |
7000-8000kg |
|
Material |
Q345B or Q355E |
|
King pin |
90# or 50# optional |
|
Landing gear |
28 tons optional brand |
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Brakes |
Drum brake or disc brake |
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ABS |
EBS optional |
|
Brake valve |
KANGJIAN or JOST |
|
Color |
As request |
|
Warranty |
1 year |

Versatility: Curtain side trailers offer a high degree of versatility. They can accommodate palletized goods, irregularly shaped items, and oversized loads.
Ease of Loading and Unloading: The side curtains can be easily rolled up, providing unobstructed access to the cargo from the sides. This makes loading and unloading faster and more convenient compared to traditional enclosed trailers.
Lightweight Construction: Compared to traditional enclosed vans, curtain side trailers are relatively lightweight, enhancing the payload capacity of the vehicle and optimizing fuel efficiency.
Reduced Damage Risk: The sides are made of flexible curtains rather than rigid walls. There is less risk of cargo getting damaged due to collisions with the trailer walls. This can be particularly important for fragile or sensitive goods.
Customizable: Curtain side trailers can often be customized to meet specific cargo requirements.
Applications of Curtain Side Trailers
Beverage and Food Industries
The food and beverage industry often require rapid distribution methods. Curtain side trailers are ideal for transporting cases of drinks, pallets of perishable goods, or food items, enabling quick access and protection during transit.
01
Building Materials
Transporting heavy or bulky building materials is another common application. The wide access allows for easy loading of large items like lumber or insulation, while the weather-protective curtains ensure that materials arrive in optimal condition.
02
Retail and Merchandise
In retail, timely deliveries of merchandise are crucial. Curtain side trailers enhance the speed of loading and unloading goods in warehouses and retail locations, supporting the just-in-time delivery models prevalent in the retail sector.
03
Machinery Transport
Manufacturers of machinery often rely on curtain side trailers to transport large equipment. The versatility of the curtain access allows for customized loading arrangements, accommodating diverse shapes and sizes.
04
Components of a Curtain Side Trailer
Sliding curtains
Constructed from reinforced PVC or similar durable materials, these flexible side panels enable quick loading and unloading while shielding cargo from weather and road debris.
Reinforced frame
Constructed from high-strength steel or aluminum alloys, the frame provides structural stability and supports the trailer’s load capacity under various transport conditions.
Roof system
A sturdy, waterproof structure that shields cargo from rain, sunlight, and other elements, keeping goods safe and intact.
Floorboards
Built from wear-resistant materials, these slip-resistant surfaces are engineered to withstand heavy loads, repeated forklift operations, and harsh working environments.
Fastening straps and tensioners
Secures sliding curtains when closed to protect cargo and keeps them neatly folded when open for easy access.
Side posts
Removable or foldable posts that provide additional structural support when the curtains are open, maintaining the trailer’s stability and load security.
Rear doors
Typically full-height, these doors provide additional access to the cargo area and enhance security during transport.
Undercarriage
Consists of the axles, suspension system, and landing gear, which are crucial for maintaining balance, smooth operation, and load-bearing capacity.
Loading Steps for a Curtain Side Trailer




Pre-Loading Checklist
Inspect the Trailer: Before proceeding, conduct a thorough inspection of the trailer. Check the condition of the curtains, flooring, and strapping mechanisms.
Ensure Proper Equipment: Ensure that you have all necessary equipment, including forklifts, hand trucks, and safety gear.
Review Load Requirements: Familiarize yourself with the cargo specifications, weight limits, and any special handling instructions.
Organizing the Cargo
Plan Your Load: Create a loading plan based on the gravity centers of the different items. Heavier items should typically be loaded first and placed toward the front of the trailer to maintain stability.
Group Similar Items: Keep similar items together to facilitate easier unloading.
Loading Techniques
Use Forklifts Properly: For heavier loads, it’s advisable to use a forklift. Enter and exit the trailer with caution, ensuring not to damage the interior or the cargo.
Maintain Balance: As you load items, continuously check that the cargo remains balanced on either side of the trailer. Unevenly distributed weight can lead to handling issues and increased risk during transport.
Palletize Your Load: Use pallets where possible. Palletized loads are easier to handle and help maintain organization within the trailer.
Securing the Load
Use Proper Straps: After loading the cargo, utilize ratchet straps or cargo nets to secure the items. Ensure that the straps are tightly fastened and check for any slack.
Check for Movement: After securing the load, gently push or shake it to identify any potential movement. If anything shifts, readjust the cargo and redo the securing process.
Closing the Trailer
Curtain Management: Carefully fold the curtains back over the load. Ensure they are evenly distributed and do not interfere with any secured cargo.
Sealing for Safety: Once the curtain is in place, use locking mechanisms to secure the curtains. This prevents accidental opening while the trailer is in motion.
Packaging And Shipping

FAQ
As one of the leading curtain side trailer manufacturers and suppliers in China, we warmly welcome you to buy high quality curtain side trailer for sale here from our factory. Good service and reasonable price are available.
curtain side trailer, 3 Axle Curtain Side Trailer, Mid Axle Cord Trailer
