Box Semi Trailer
ZW Group Side Box Semi Trailers are engineered for secure and efficient bulk cargo transport. Their fully enclosed structure protects goods from weather, dust, and road impacts, making them ideal for logistics, retail distribution, manufacturing, and general cargo transport. Durable construction and precise engineering ensure reliable performance across short- and long-distance operations, while flexible loading options improve efficiency and reduce handling risks.
Ready to Order? Get Your Quote Today!
Expert support worldwide — get your personalized quote today.
📌 Product Overview
Why Choose ZW Group Side Box Semi Trailer?
With over 10 years of global experience, ZW Group designs and manufactures high-quality side box semi trailers trusted by clients in more than 60 countries. Our 50,000m² factory features advanced CNC cutting, robotic welding, and precision assembly, producing trailers with robust structural integrity and excellent cargo protection. Every unit undergoes strict quality checks to guarantee long-term durability and operational safety in diverse climates and road conditions.
We offer flexible customization options including trailer dimensions, compartment configurations, and structural enhancements. Alongside side box trailers, our portfolio includes fuel tanker trailers, bulk cement tanker trailers, dump trailers, flatbed and lowbed trailers, and car carrier trailers, providing comprehensive transport solutions for multiple industries.
Applications in Logistics & Industry
Side box semi trailers are widely used in logistics, retail distribution, agriculture, and light industrial transport. Their enclosed box design ensures safe transport of palletized goods, boxed products, and sensitive cargo. Optional side and rear doors streamline loading and unloading at warehouses, distribution centers, and multi-stop delivery routes. Reliable side walls and weather protection help maintain cargo integrity, while their versatility complements other trailers such as dump semi trailers, flatbeds, and lowbeds for diversified fleet operations.
🛠️ Operation & Specifications
How to Load Cargo Using a Side Box Semi Trailer?
Park the trailer on a level surface, fully open side or rear doors, and load goods using forklifts or pallet jacks. Position cargo evenly to maintain weight balance and secure it with straps or load bars. Fragile items may require padding. The enclosed box structure ensures protection during transit, making these trailers suitable for long-haul shipments and multi-stop deliveries.
Basic Specifications Table
3 Axle Box Semi Trailer Technical Drawing
📦 Delivery & Components
Package & Shipping Methods
ZW Group prepares each trailer with professional packaging and partial assembly for safe international shipment. Depending on size and destination, trailers are shipped via container, Ro-Ro vessels, or flatbed transport. Our logistics team coordinates inland transport, port handling, and customs clearance to ensure timely and damage-free delivery worldwide.
Key Parts Overview
Main Beam: High-strength Q345 steel with optimized I-beam design for load-bearing and durability.
Side Boxes: Lockable compartments for extra storage.
Axles & Suspension: 2–3 axle configurations with mechanical or air suspension for stability.
Landing Gear: Reinforced dual-leg supports.
Braking System: Dual-line pneumatic brakes with optional ABS.
Tires & Rims: Premium radial tires on steel rims.
Electrical System: 24V LED lights and reflective markers.
Kingpin & Fifth Wheel: 50mm or 90mm kingpin for universal tractor compatibility.
🔧 Design Advantages
Main Beam Features
The main beam forms the core structure of ZW Group Side Box Semi Trailers, providing exceptional strength, durability, and stability under heavy loads. Key highlights include:
High-Strength Steel Construction: Made from Q345 or T700 steel, offering excellent load capacity and fatigue resistance.
Optimized I-Beam Design: Precision-welded with submerged arc welding (SAW) for uniform strength and long-term reliability.
Reinforced Web & Flange: Wider flanges and thicker webs enhance torsional resistance and even load distribution.
Corrosion-Resistant Coating: Sandblasted and treated with anti-rust primer and high-performance paint for extended durability.
Customizable Options: Beam height, thickness, and steel grade can be tailored for boxed goods, machinery, or integration with specialized trailers like dump semi trailers, flatbeds, and lowbeds.
This engineered backbone ensures consistent performance, safety, and reliability across long-distance hauls and demanding transport conditions.
Tractor & Trailer Connection Compatibility
ZW Group Side Box Semi Trailers are designed for seamless compatibility with a wide range of tractor units, ensuring secure, stable, and efficient towing:
Standard Kingpin: 50mm or 90mm kingpin fits most mainstream fifth wheels, including lowbeds, flatbeds, and dump trailers.
Adjustable Fifth Wheel Height: Supports different tractor heights for optimal load balance and maneuverability.
Robust Coupling Mechanism: High-strength components reduce play and improve driving stability, even on rough terrain.
Electrical & Pneumatic Integration: 24V connectors and dual-line air brake systems provide reliable lighting, signaling, and braking.
Wide Tractor Brand Support: Compatible with popular brands like HOWO, FAW, Dongfeng, Sinotruk, and more.
These features ensure safe, flexible, and dependable operations, giving fleet operators confidence for daily heavy-duty transport tasks.
🏭 Factory & Customer Testimonials
Manufacturing Display
At Shandong ZW Vehicle Group, we combine advanced manufacturing technology with expert craftsmanship to produce high-quality Side Box Semi Trailers. Our 50,000m² modern facility features CNC cutting machines, robotic welding stations, and precision assembly lines to ensure every trailer meets the highest standards.
Each side box semi trailer undergoes rigorous quality inspections—from raw material checks to final assembly—guaranteeing durability, safety, and reliable performance. With over 200 skilled professionals and premium materials like Q345 steel, ZW Group ensures trailers meet strict international standards and customer expectations.
Beyond side box trailers, we manufacture a wide range of specialized semi-trailers, including fuel tanker trailers, bulk cement tankers, dump semi trailers, end dump trailers, semi flatbeds, and lowbeds for heavy equipment. We also offer car carrier solutions, such as 2-car trailers and aluminum car carriers, serving diverse industries worldwide.
Clients and visitors can tour our production facility to see the full manufacturing process, demonstrating our capacity to deliver versatile, dependable, and customized transport solutions for global logistics and heavy-duty applications.
Customer Feedback
We value the positive feedback from our global customers, who highlight the solid build, reliable performance, and versatility of ZW Group Side Box Semi Trailers. Clients appreciate the trailers’ sturdy construction, smooth handling, and low maintenance, which improve logistics efficiency and reduce downtime. Our professional after-sales team ensures prompt support and effective solutions, fostering long-term trust. ZW Group continues to deliver high-quality trailers—including fuel tankers, bulk cement tankers, dump trailers, car carriers, and lowbeds—meeting diverse transport needs worldwide.
📈 Case Studies & FAQs
Successful Delivery Cases
Our side box semi trailers have been successfully deployed in logistics, retail, and industrial applications worldwide. Combined with other ZW trailers—fuel tanker, bulk cement, dump, flatbed, lowbed, and car carrier trailers—our products provide flexible and dependable transport solutions for diverse cargo and fleet needs.
❓FAQ
Q1: What is a side box semi trailer used for?
A1: Secure transport of general cargo with enclosed storage.
Q2: What materials are used?
A2: High-strength steel such as Q345 with durable panels.
Q3: Can it be customized?
A3: Yes, trailer size and features can be tailored.
Q4: Which tractors are compatible?
A4: Standard tractors with 50mm or 90mm kingpins.
Q5: Is after-sales support available?
A5: Yes, ZW Group provides global support and spare parts.
Q6: What other trailers does ZW Group manufacture?
A6: Fuel tankers, bulk cement tankers, dump trailers, flatbeds, lowbeds, car carriers, and more.