40 Ton 3 Axle Fence Semi Trailer for Agricultural and General Cargo Transport
Product Description
The 40 Ton 3 Axle Fence Semi Trailer for Agricultural and General Cargo Transport is designed for transporting agricultural products, grain, livestock feed, fertilizer, packaged goods, construction materials, and various types of general cargo. With a 40-ton loading capacity, reinforced three-axle chassis, and high fence structure, the trailer provides a practical solution for high-volume commercial freight transportation.
Built with a Q345/T700 high-strength steel chassis, the trailer features a reinforced 500 mm main beam and an 1800 mm fence structure that helps contain bulky and lightweight cargo during transportation. The fence height and overall dimensions can also be customized for different cargo volumes and operating requirements.
The trailer can be equipped with mechanical or optional air suspension, different tire and rim configurations, an optional gooseneck chassis, and other customized components. This flexibility makes the ROADKING 3 axle fence semi trailer suitable for agricultural logistics and general cargo transportation across different markets and road conditions.

Technical Specifications
| Parameter | Specification |
| Brand | ROADKING |
| Product Name | 40 Ton 3 Axle Fence Semi Trailer |
| Overall Dimension | 13000 × 2550 × 1800 mm (Customizable) |
| Loading Capacity | 40 Tons |
| Axle Configuration | 3 Axles |
| Suspension System | Mechanical Suspension / Air Suspension (Optional) |
| Main Beam Material | Q345 / T700 High-Strength Steel |
| Upper Plate Thickness | 12 mm |
| Middle Plate Thickness | 6 mm |
| Lower Plate Thickness | 14 mm |
| Main Beam Height | 500 mm |
| Fence Height | 1800 mm (Customizable) |
| Tires | 12R22.5 (12 pcs), Linglong / Triangle / Double Coin / Other Brand |
| Rims | 9.00 × 22.5 (12 pcs), Steel / Aluminum |
| Leaf Spring | 90 × 13 mm × 10 pcs / 90 × 16 mm × 10 pcs |
| King Pin | #50 (2") / #90 (3.5"), JOST / Other Brand |
| Landing Gear | 28 Ton Two-Speed, JOST / Other Brand |
| Gooseneck Type | Optional |
| Painting | Powder Coating |
| Customization | Dimensions, Fence Height, Suspension, Tires, Rims and Accessories |
Specifications and configurations can be customized according to cargo requirements, customer preferences, and local transportation conditions.


Key Advantages
1. 40-Ton Cargo Loading Capacity
The reinforced chassis and heavy-duty three-axle configuration provide reliable support for 40-ton agricultural and general cargo transportation, making the trailer suitable for regular commercial freight operations.
2. High-Capacity Fence Structure
The 1800 mm fence body increases usable cargo volume and helps contain agricultural products, bagged goods, lightweight bulk materials, and other high-volume cargo during transportation.
3. Q345 / T700 High-Strength Steel Chassis
The chassis is manufactured from Q345/T700 high-strength steel, providing good structural strength, durability, and resistance to deformation during frequent loading and long-distance transport.
4. Reinforced 500 mm Main Beam
The 500 mm main beam features a 12 mm upper plate, 6 mm middle plate, and 14 mm lower plate, providing strong structural support for demanding cargo transport operations.
5. Stable 3-Axle Running System
The three-axle configuration combined with heavy-duty leaf springs and 12R22.5 tires provides effective load distribution and dependable performance for agricultural and commercial freight transportation.
6. Flexible Customization
Overall dimensions, fence height, suspension system, tire and rim specifications, gooseneck design, paint, and other components can be customized according to different cargo and market requirements.
Application
The 40 Ton 3 Axle Fence Semi Trailer is suitable for farms, agricultural businesses, grain distributors, logistics companies, construction contractors, freight operators, and general cargo transport fleets.
Typical applications include:
- Grain, corn, wheat, and other agricultural products
- Bagged grain and agricultural cargo
- Animal feed and feed ingredients
- Fertilizer and agricultural supplies
- Seeds and harvested crops
- Packaged and palletized goods
- Construction and building materials
- Timber and lightweight bulky cargo
- Industrial products
- General commercial freight
Its high fence structure makes the trailer especially suitable for high-volume cargo transportation between farms, grain collection centers, warehouses, processing plants, factories, logistics centers, and distribution terminals.
Structural & Design Highlights
1800 mm High Fence Structure
The high fence body increases cargo containment capacity and provides additional lateral protection for agricultural products, packaged goods, and other bulky cargo. Fence height can be customized according to transport requirements.
Reinforced 3-Axle Chassis
The heavy-duty three-axle chassis provides effective load distribution and stable structural support for 40-ton commercial transportation.
500 mm Main Beam Design
The reinforced main beam combines a 12 mm upper plate, 6 mm middle plate, and 14 mm lower plate, providing dependable resistance to bending and deformation.
Q345 / T700 Steel Construction
High-strength steel construction provides durability for repeated loading, unloading, and medium- to long-distance transport operations.
Mechanical / Air Suspension Options
Mechanical suspension provides a robust solution for demanding road conditions, while optional air suspension is available for customers with different cargo protection and operating requirements.
Heavy-Duty Running System
The trailer uses 12 × 12R22.5 tires, reinforced leaf springs, and steel or optional aluminum rims to provide reliable performance for commercial freight operations.
Optional Gooseneck & Custom Configuration
A gooseneck chassis and other configurations can be customized according to tractor compatibility, cargo type, local operating conditions, and customer requirements.






