3 Axle Wing Van / Fly Wing Semi Trailer (Bestselling Export Model for Africa & Central Asia, hydraulic double-side wing opening, full side access for forklift pallet loading/unloading)

1. Overall Dimensions (mm, transit condition)
- Overall dimension: **13750 × 2550 × 4000 (13.75m ×2.55m ×4.0m)**
- Internal box dimension: **13600 × 2480 × 2800**
- Effective volume: **94m³**
- Kingpin fifth wheel height from ground: **1550mm**
- Wheelbase: 7500 +1310 +1310 mm
- Track width: 1820 mm
- Opening mode: **Double-side hydraulic lifting wings**; rear double doors; single-side wing optional
- Max opening angle of wing panels: approx. 85°, full side opening

2. Weight Parameters
- Tare weight: **8.0 tons (standard version with steel wing panels)**; lightweight version with aluminum alloy wing panels 7.2 tons
- Rated payload: **32.0 tons**
- GVWR (Gross Vehicle Weight Rating): **40 tons**

3. Chassis Main Beam & Wing Van Body Structure
1. **Chassis main beam, Q345B high-strength steel**
500mm I-beam: top flange 14mm, web plate 8mm, bottom flange 16mm, automatic submerged arc welding; surface treatment: sand blasting + epoxy primer + polyurethane topcoat.

2. **Wing van body**
- Wing panels: Steel plate / aluminum alloy plate, rigid shell structure fitted with waterproof sealing gaskets for rain and dust protection
- Deck: **3mm checkered anti-slip steel plate**, multiple pre-installed lashing rings inside the box for pallet securing
- Hydraulic lifting cylinders: 4 hydraulic cylinders, multi-way hydraulic valve with hydraulic lock. Automatic locking upon power or oil loss to prevent accidental wing panel falling
- Door frame: Rear double doors with heavy-duty hinges and waterproof sealing strips

4. Running Gear (Tri-Axle)
1. Axles: 3 pcs FUWA 13-ton axles (BPW optional)
2. Suspension: Mechanical leaf spring suspension, leaf spring 90mm width ×10 pieces; air suspension preferred for premium clients
3. Tires: 12 pcs **12R22.5**; steel rim 9.00-22.5, 1 spare tire
4. Landing Gear: JOST 28-ton two-speed landing gear

5. Hydraulic, Towing, Braking & Electrical System (ECE/GCC Export Certification)
- Hydraulic system: Hydraulic pump driven by chassis PTO; manual multi-way valve, wireless remote control for wing lifting/lowering optional
- **Kingpin: 3.5 inch (popular for Africa), 2 inch optional, bolt-on detachable design for CKD packing**
- Braking system: WABCO dual-line air brake, ABS as standard; 2×40L air reservoirs with emergency air-break protection
- Electrical system: 24V, ISO7-core socket, LED tail lamps, reflective markings

Optional Upgrades
- Lightweight aluminum alloy wing panels (weight reduction)
- Air suspension + lift axle
- Wireless remote control for hydraulic wing opening
- Internal compartment bulkheads
- Hydraulic rear loading tail lift
- Tool box, mudguards, tail lamp protection frame