Heavy-Duty 3 Axle 40ft Flatbed Semi Trailer (40T–80T Payload)
ENXIN 3-axle 40ft flatbed semi trailers are purpose-built for harsh African, Central Asian, and Middle Eastern logistics routes, port container haulage, and multi-purpose bulk cargo transportation (timber, steel coils, bagged cement, and heavy machinery).
Fabricated in our Liangshan manufacturing plant with high-strength Q345B carbon steel and 100% submerged arc automated welding, the chassis ensures long-term frame durability and structural rigidity under rated loads from 40 up to 80 tonnes.
Key Engineering & Durability Features
- Reinforced Main Beam Structure: 500mm web height with 14mm upper flange, 16mm lower flange, and 8mm vertical web plate. High torsional rigidity prevents structural sagging when carrying concentrated container loads over unpaved routes.
- Multi-Lock Modular Deck: Configured with 12 sets of ISO-standard container twist locks, allowing seamless switching between 1 × 40ft container, 2 × 20ft containers, or flat-deck bulk cargo.
- Heavy-Duty Running Gear: Standard equipped with genuine FUWA / BPW 13T or 16T heavy-duty axles, paired with heavy mechanical leaf spring suspension (10-leaf, 13mm × 90mm) or optional air suspension.
- Premium Air Braking System: Genuine WABCO RE-6 relay valve with T30/30 dual-spring brake chambers and 40L aluminum air reservoir, ensuring rapid brake response and reduced tire wear during continuous high-temperature braking.
- Anti-Corrosion Surface Treatment: Complete chassis shot-blasting to SA 2.5 standard, followed by 2 coats of zinc-rich epoxy primer and 2 coats of polyurethane topcoat with UV-resistant inhibitors against coastal salt spray.
Technical Specifications Matrix
| Specification Item | Standard Heavy-Duty Configuration | Optional / Heavy Mining Upgrade |
|---|---|---|
| Rated Payload | 40,000 kg – 60,000 kg | Up to 80,000 kg (Reinforced Chassis) |
| Overall Dimensions (L×W×H) | 12,500 mm × 2,500 mm × 1,550 mm | 13,000 mm × 2,550 mm / Custom widths |
| Platform Deck | 3.0 mm Diamond / Checkered Steel Plate | 4.0 mm Heavy-duty anti-slip floor |
| Main Beam Material | Q345B High-Tensile Steel | High-Strength T700 Steel |
| Axle Brand & Capacity | 3 × FUWA 13-Ton Heavy Duty Axles | BPW / Fengbao 16-Ton Axles |
| Tires & Rims | 12 units 12R22.5 Tubeless Tires | 315/80R22.5 or 385/65R22.5 Super Single |
| Landing Gear | 28T Two-Speed Mechanical Landing Gear | JOST 32T Heavy-Duty Static Load Gear |
| Kingpin Size | 2-inch (50#) or 3.5-inch (90#) Bolted JOST | Interchangeable Welded Type |
| Twist Locks | 12 Units Heavy-Duty ISO Twist Locks | Retractable Locks for Machinery Deck |
Sea Freight & Packaging Optimization (Save up to 30% Freight)
To minimize ocean transport costs to Africa, the Middle East, and South America, ENXIN provides certified batch shipping solutions:
- 3-Units Stacking Transport (Bulk Cargo / RO-RO): We stack 3 flatbed trailers into one rigid bundle with custom anti-collision buffers and marine lashings, saving up to 30% in ocean freight per unit compared to single shipments.
- Container SKD Dispatch: For destinations requiring containerized delivery, our modular bolted structure allows 2 flatbed units to be loaded into one 40ft High Cube container.
- Marine Rust Protection: All machined components (kingpins, landing gear, axle hubs) are sealed with industrial protective wax before dispatch from Qingdao Port.
Real-World Export Delivery & Case Proof
ENXIN flatbed trailers are actively operating in multiple international logistics routes. View verified delivery records:
- Delivery of 20 Units 3-Axle Skeleton & Flatbed Trailers to Africa
- 3-Axle Flatbed Trailer Batch Dispatch to Burundi
- Oman Client Factory Inspection and Flatbed Repeat Order
Frequently Asked Questions (Buyer Decision Guide)
Q: What is the delivery lead time for standard and customized flatbed trailers?
A: Standard models with FUWA axles and 12R22.5 tires take 15 to 20 business days from deposit confirmation. Custom configurations (air suspension, specific deck lengths, or BPW axles) ship in 25–30 days.
Q: Can the trailer carry 20ft heavy mining containers without center deflection?
A: Yes. Our main beam features dense crossmember spacing (every 350mm) and reinforced belly-plates around the middle container bolster, specifically preventing center sagging when loading a single heavy 20ft container in the middle.
Q: Which axle and suspension configuration is best for East / West African road limits?
A: For Kenya, Tanzania (EAC region) and Ghana, Nigeria (ECOWAS), we recommend FUWA 13T axles with 10-leaf 90×13mm spring suspension. This configuration matches regional gross vehicle weight limits (GVW) while providing reliable parts availability in local markets.
Q: How is after-sales support and spare parts supply handled?
A: We provide a 12-month structural warranty on main beams and chassis. Fast-wearing parts (brake shoes, air valves, twist locks, lighting sets) are provided with the initial shipment upon request, with express dispatch for emergency parts.




