Van Box Semi Trailer - Sealed Enclosure
The Sealed Enclosure Van Box Semi-Trailer (also known as a Dry Freight Box, Enclosed Cargo Van, or Rigid Box Semi-Trailer) is a high-security, fully weatherproof cargo transport trailer engineered for general freight, palletized goods, consumer electronics, textiles, pharmaceuticals, high-value e-commerce express cargo, and moisture-sensitive bulk materials. Featuring a fully enclosed, weather-sealed box structure constructed from high-strength corrugated steel, flat smooth composite panels, or lightweight aluminum sheets, it provides absolute protection against theft, rain, dust, UV exposure, and environmental contamination. Built on a high-tensile Q345B/Q550 structural steel chassis welded via automated submerged-arc processes, it incorporates a 3mm or 4mm anti-skid checkered steel or flat hardwood floor deck. Equipped with 2, 3, or 4 commercial heavy-duty axles (13T/16T FUWA or BPW), heavy-duty mechanical or air ride suspension, dual rear swing doors with heavy container-style locking bars, and a dual-line pneumatic air braking system with WABCO ABS, this trailer delivers maximum cargo security, low aerodynamic drag, and long-term service reliability for long-haul logistics fleets. Fully certified under ISO9001, CCC, CE, and SGS standards.
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Product Details
Technical Specifications
Model NO. : Customized
Type : Semi-Trailer / Fully Sealed Enclosure Van Box Semi-Trailer
Load Capacity : 30 - 60 Tons (High-Security Dry Freight Payload)
Condition : New
Grade : Heavy Duty / Fully Enclosed High-Security Logistics Grade
Shape : Fully Enclosed Box / Rigid Van Structure
Origin : Shandong, China
Production Capacity : Customized
Certifications : ECE / ISO9001 / CCC / CE / SGS
HS Code : 8716399000
Overall Dimensions : Customized (Approx. 12500-14600 x 2550 x 3800-4000 mm)
Box Internal Dimensions : Customized (Approx. 12300-14400 x 2450 x 2400-2600 mm)
Box Panel Type : High-Strength Corrugated Steel / Smooth Composite Fiber / Color-Coated Steel Panels
Box Wall Thickness : 1.2mm / 1.5mm / 2.0mm Corrugated Steel (or 15mm-20mm Composite)
Roof Structure : Fully Sealed One-Piece Steel or Aluminum Weatherproof Roof Panel
Rear Doors : Double Rear Swing Doors with Heavy Rubber Weather Seals & Container Locks
Side Doors : Optional 1, 2, or 3 Side Swing/Sliding Access Doors
Wheel Base : 6800mm - 8800mm
Tread : 1820 mm
Axle Number : 2 / 3 / 4 Axles
Axle Brand : FUWA / BPW / HuaJin Heavy Duty
Axle Capacity : 13T / 16T per axle
Tire Number : 8 / 12 / 16 pcs + 1 Spare Tire
Tire Specification : 12R22.5 / 11.00R20 / 12.00R20 Heavy-Duty Radial Tires
Tire Brand : Triangle / Double Coin / Linglong
Rim : 9.00-22.5 / 8.5-20 Steel Disc Rims
Suspension : Heavy Duty Mechanical Multi-Leaf Spring / Air Ride Suspension
Leaf Spring : 10 pcs Reinforced (90x13mm or 90x16mm)
Brake System : Dual-Line Pneumatic Air Braking System with ABS
ABS Brand : WABCO / Kemi / Haldex
Self-dumping : Not Self-dumping
Material : High-Tensile Structural Steel Q345B / Q550
Main Beam Height : 450mm / 480mm / 500mm
Upper/Down Plate : 12mm / 14mm / 16mm / 20mm
Middle Plate (Web) : 6mm / 8mm / 10mm / 12mm
Welding : Automatic Submerged-Arc Welding
Floor Plate : 3mm / 4mm Checkered Steel Anti-Skid Deck or Steel-Hardwood Hybrid Deck
Cargo Securing : Internal Recessed E-Track Rails / Cargo Tie-Down Rings / Anti-Shifting Belts
Landing Gear : JOST / FUWA 28T Two-Speed Manual Landing Gear
King Pin : JOST 50# (2-inch) or 90# (3.5-inch) Bolted / Welded King Pin
Spare Tire Carrier : 1 or 2 Units
Tool Box : 1 Unit Heavy-Duty Lockable Steel Box
Electrical System : 24V, 7-Pin ISO Socket, Full LED Interior & Exterior Lights
Painting / Finish : Sand Blasting (Sa 2.5) + Epoxy Zinc-Rich Primer + Polyurethane Topcoat
Colour : Optional / Customized RAL Code
Warranty : Main Beam Frame 3 Years / Axles & Major Parts 1 Year
Package : Nude Packing / Bulk Vessel / Ro-Ro / SKD Container
Delivery Time : 25 - 30 Working Days
Payment Terms : T/T, L/C
Key Structural & Performance Features
1. Weatherproof & High-Security Sealed Box Structure
- Fully Sealed Enclosure: Rigidity-engineered box body utilizing corrugated steel or smooth composite panels attached to a reinforced framework, completely isolating cargo from water ingress, highway dust, solar radiation, and wind damage.
- Heavy-Duty Weather-Sealed Rear Doors: Outfitted with dual rear swing doors lined with high-elasticity EPDM rubber gaskets and secured via heavy-duty container-style multi-point locking bars, preventing unauthorized entry or cargo theft during long-distance transit.
- Optional Side Door Access: Configurable with single or double side doors for rapid intermediate loading and unloading at distribution docks without compromising structural enclosure integrity.
2. Reinforced High-Tensile Frame & Interior Cargo Tie-Downs
- Submerged-Arc Welded Main Beam: Constructed using high-tensile Q345B/Q550 structural steel via automated submerged-arc welding, providing high torsional strength and preventing chassis sagging under maximum volumetric loads.
- 3mm/4mm Anti-Skid Decking: Heavy-duty checkered steel or flat hardwood composite floor deck engineered to endure continuous forklift wheel loading and heavy pallet movement.
- Internal E-Track Cargo Control: Interior walls feature integrated horizontal E-track tie-down rails and recessed lashing points for easy installation of cargo straps, shoring beams, and load bars to prevent freight shifting.
3. Reliable Heavy-Duty Running Gear & Fleet Safety
- Commercial Multi-Axle Performance: Fitted with 2, 3, or 4 commercial heavy-duty axles (13T/16T FUWA or BPW) to ensure compliant axle-weight distribution and stable high-speed highway tracking.
- WABCO Air Braking with ABS: Dual-line pneumatic compressed air braking system equipped with WABCO ABS delivers short stopping distances, fast air pressure response, and complete wheel-lock protection.
- Durable Mechanical or Air Suspension: Heavy multi-leaf spring suspension provides excellent durability on rough routes, while optional air suspension offers vibration isolation for fragile goods and electronic freight.
Commercial & Logistics Terms
- Shipping & Delivery: Transported via Ro-Ro vessel, Bulk Cargo vessel, or flat-rack / SKD packaging to optimize international shipping costs.
- Warranty Coverage: 3-Year structural guarantee on the main chassis frame; 1-Year warranty covering axles, landing gear, door lock mechanisms, and braking components.
- Payment Terms: 30% T/T deposit, 70% balance paid prior to dispatch; irrevocable L/C at sight accepted.
