3 Axle Food Grade Stainless Steel Insulated Tank Semi Trailer

1. Overall Dimensions (mm, unladen transit condition)
- Overall dimension: **11100 × 2500 × 3800 (11.1m ×2.50m ×3.80m)**
- Effective tank volume: **42m³ (mainstream for export)**; optional 30/33/35/45m³
- Kingpin fifth wheel height from ground: **1550 mm**
- Wheelbase: **5200 +1310 +1310 mm**
- Track width: 1820 mm
- Tank type: Horizontal elliptical tank, available in single / 2 / 3 independent compartments

2. Weight Parameters
- Tare weight: **7.3 tons (standard SUS304 version including insulation layer)**
- Rated payload: **32.7 tons**
- GVWR (Gross Vehicle Weight Rating): **40 tons**
> Applicable media: raw fresh milk, edible vegetable oil, fruit juice, syrup, drinking water. Actual loading mass varies with different liquid densities.

3. Chassis Main Beam & Food-Grade 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 + polyurethane topcoat
2. **Stainless steel insulated tank (core component)**
   - Inner tank: **SUS304-2B food-grade stainless steel, inner shell thickness 3mm; end head 3.5mm**. Inner wall polished to Ra≤0.8μm with no sanitary dead corners.
   - Insulation layer: **70mm polyurethane foam insulation**. Thermal performance: temperature rise ≤2℃ within 24 hours.
   - Outer skin: 1mm thin stainless steel sheet to protect insulation layer
   - Compartments: Optional separate multi-compartment design for simultaneous transport of multiple liquid food products
   - Pipelines: Food-grade butterfly valve, DN50 food discharge port, breather valve and anti-surge baffles to reduce impact caused by liquid sloshing
   - Cleaning: CIP on-site cleaning port, external cleaning pipeline can be connected for tank washing

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 food transport** to reduce liquid fluctuation via shock absorption
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. Temperature Control & Safety System
- Basic version: Insulation only, relying on insulation layer to slow down temperature change
- Upgraded version: Fitted with independent diesel refrigeration unit, tank temperature controlled at 0~+4℃ (for fresh milk)
- Safety fittings: Anti-static grounding strap, overflow protection, pressure gauge, safety valve, emergency shut-off valve

6. Towing, Braking & Electrical System (ECE/GCC Export Certification)
- **Kingpin: 3.5 inch (popular for Africa), 2 inch optional, bolt-on detachable design for CKD packing**
- Braking system: Dual-line air brake, WABCO valve assembly, ABS as standard; air reservoirs 2×40L
- Electrical system: 24V, 7-core ISO socket, LED tail lamps, reflective markings

Optional Upgrades
- Independent diesel refrigeration unit (constant temperature fresh-keeping)
- Multi-compartment partition with separate discharge outlets
- Complete CIP automatic cleaning system
- Air suspension + lift axle
- Full aluminum lightweight tank (weight reduction)
- Tool box, mudguards, rear protection frame