3 Axle Fuel / Oil Tank Semi Trailer (Mainstream Export Model for Africa & Central Asia, ADR dangerous goods certification, for transportation of liquid fuels such as diesel, gasoline and kerosene)

1. Overall Dimensions (mm, unladen transit condition)
- Overall dimension: **11900 × 2500 × 3800 (11.9m ×2.50m ×3.80m)**
- Effective tank volume: **45m³ (45000L mainstream export specification)**, optional 30/40/50m³
- Kingpin fifth wheel height from ground: **1550mm**
- Wheelbase: 7180 +1310 +1310 mm
- Track width: 1820 mm
- Tank: Horizontal elliptical tank, can be divided into 2/3/4 independent compartments for simultaneous transport of multiple oil types
- Tank top: Aluminum alloy manhole cover, breather valve, anti-slip walkway with guardrails and side access ladder

2. Weight Parameters
- Tare weight: **8.8 tons (standard Q345 carbon steel version)**; lightweight aluminum alloy tank tare weight 7.0 tons
- Rated payload: **31.2 tons**
- GVWR (Gross Vehicle Weight Rating): **40 tons**
> Reference fuel density: diesel ≈0.84t/m³; gasoline ≈0.72t/m³. Actual loading mass varies with oil density.

3. Chassis Main Beam & Tank 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 + anti-static topcoat.

2. **Tank body**
- Carbon steel version: 5mm Q345B shell, 6mm end heads
- Aluminum alloy version: 5083 aluminum alloy, 5mm shell. Light weight and corrosion resistant, suitable for high-temperature and rainy regions
- Internal anti-surge baffles to reduce impact from liquid sloshing; independent multi-compartment separation with separate manholes and bottom valves for each compartment

4. Loading, Unloading & Safety System (Mandatory for dangerous goods)
- Loading & unloading: Bottom API loading/unloading valve, 4-inch discharge pipeline; optional built-in oil pump (PTO driven) for self-suction and self-discharge
- Safety fittings: **Emergency bottom shut-off valve, breather valve, overflow alarm, static grounding reel, anti-static bonding jumpers**
- Fire protection: Dry powder fire extinguishers and fire blankets; full vehicle dangerous goods marks, ADR hazard plates and reflective markings

5. 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 optional for premium clients
3. Tires: 12 pcs **12R22.5**; steel rims, 1 spare tire
4. Landing Gear: JOST 28-ton two-speed landing gear

6. Towing, Braking & Electrical System (ADR Dangerous Goods Certification)
- **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+EBS, emergency air-break protection; dual air reservoirs, brake temperature monitoring
- Electrical system: 24V explosion-proof wiring, ISO7-core plug, explosion-proof LED tail lamps, side reflective markings

Optional Upgrades
- Lightweight full aluminum alloy tank
- Independent multi-compartment separation (2~4 compartments for separate oil transport)
- Chassis PTO driven oil transfer pump and flow meter
- Air suspension + lift axle
- Liquid level gauge, GPS monitoring, overflow prevention alarm
- Tool box, mudguards, rear protection frame