40ft Tri-Axle Skeleton Semi Trailer Detailed Description
The 40ft Tri-Axle Skeleton Semi Trailer from ZW Group is engineered to meet the demanding requirements of modern container transport. Its optimized skeletal frame reduces tare weight while maintaining strong load-bearing capacity, improving fuel efficiency during long-distance operations.
The trailer is equipped with three heavy-duty FUWA axles and a robust mechanical suspension system, ensuring balanced weight distribution and stable driving performance under heavy loads. High-quality container twist locks securely fix containers in place, preventing movement during transport.
A bolt-in kingpin design allows compatibility with different tractor units, while full sandblasting and multi-layer anti-corrosion coating protect the chassis from rust, moisture, and harsh port environments. This skeleton semi trailer is widely used in ports, container yards, logistics fleets, and intermodal transport systems worldwide.
Product Video
Key Features
Tri-Axle Configuration: Three heavy-duty FUWA axles for stable load distribution
Multi-Container Capability: Supports 1×20ft, 1×40ft, or 2×20ft containers
Lightweight Skeletal Design: High strength with reduced tare weight
Mechanical Suspension: Durable structure for long-term heavy-duty operation
Secure Container Fixing: High-strength twist locks for safe transport
Anti-Corrosion Treatment: Suitable for port and coastal working conditions
Structure Diagram of Skeleton Trailer
This section features a detailed CAD drawing and an exploded view of the skeleton trailer, showcasing the chassis structure, kingpin position, axle configuration, and key mounting points. It provides a clear visual reference for engineering layout and component integration.


Specifications
| Item | Specification |
|---|---|
| Product Name | 40ft Tri-Axle Skeleton Semi Trailer |
| Overall Dimension | 12,500 × 2,500 × 1,500 mm |
| Loading Capacity | ≤ 60 tons |
| Axle Brand | FUWA |
| Axle Quantity | 3 |
| Suspension Type | Mechanical suspension |
| Tire Size | 12R22.5 |
| Tire Quantity | 12 units |
| Rim Size | 9.00–22.5 or 9.75–22.5 |
| Container Type | 20ft / 40ft / 2×20ft |
| Kingpin | Bolt-in type, 2” or 3.5” |
Application Scenarios
Port and terminal container transport
Container yard and logistics hub operations
Intermodal transport between ship, rail, and truck
Long-distance container hauling
Regional and cross-border freight delivery
ZW Group Manufacturing Base
ZW Group operates a modern manufacturing facility equipped with advanced production machinery and strict quality control systems. From steel cutting and chassis forming to welding, surface treatment, and final inspection, every 40ft Skeleton Semi Trailer is produced under standardized manufacturing procedures.
Our product range includes container skeleton trailers, flatbed semi trailers, lowbed trailers, removable gooseneck trailers, and modular transport solutions, all built to comply with international standards such as ISO9001, CE, DOT, and CCC.
Shipping Scenarios
Before shipment, each trailer undergoes comprehensive inspection to ensure all key components—chassis frame, axles, suspension system, braking system, and twist locks—are securely installed and protected. According to destination requirements, trailers can be shipped by bulk carrier, flat rack container, or Ro-Ro vessel, ensuring safe and timely global delivery.

❓FAQ
Q1: What container types can this trailer carry?
A: It supports 20ft, 40ft, and dual 20ft ISO containers.
Q2: What is the maximum loading capacity?
A: Up to 60 tons, depending on configuration and local regulations.
Q3: Which axle brand is used?
A: Heavy-duty FUWA axles are standard.
Q4: What suspension system is installed?
A: Mechanical suspension is standard; air suspension is optional.
Q5: Can the trailer be customized?
A: Yes, axles, kingpin type, suspension, and twist lock layout can be customized.
Q6: How long is the delivery time?
A: Usually 20–30 days after order confirmation.
Why Choose ZW Group?
Over 10 years of international experience manufacturing and exporting semi-trailers to 50+ countries worldwide.
Modern factory covering 50,000m², staffed by a skilled team of over 200 professionals and supporting personnel.
Strict quality control to ensure durable and high-performance trailers you can rely on.
Dedicated after-sales service with quick response to support your operations smoothly.





