Rain-Proof and Moisture-Proof Van Box Semi Trailer
The Rain-Proof and Moisture-Proof Van Box Semi-Trailer (also known as a Weather-Tightly Sealed Dry Freight Van, Moisture-Isolated Cargo Enclosed Trailer, or All-Weather Sealed Logistics Semi-Trailer) is a specialized enclosed transport trailer engineered for humidity-sensitive commodities, bagged food products, grain/flour/sugar, precision electronics, paper/pulp products, textiles, and dry pharmaceutical raw materials. Designed specifically for operations in tropical, coastal, and high-rainfall environments, it features a 100% weather-isolated box structure constructed from continuous seam-welded steel plates or seamless composite panels, integrated with a ceiling anti-condensation condensation-barrier layer and continuous floor drainage seals. 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 deck with perimeter water-diverting channels. Outfitted with 2, 3, or 4 commercial heavy-duty axles (13T/16T FUWA or BPW), heavy mechanical or air ride suspension, dual rear doors with quadruple multi-lip EPDM rubber weather gaskets and compression container lock bars, and a dual-line pneumatic air braking system with WABCO ABS, this trailer guarantees absolute cargo dry-preservation, zero water ingress, and low life-cycle maintenance under severe rainstorms and humid maritime climates. Fully certified under ISO9001, CCC, CE, and SGS standards.
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Product Details
Technical Specifications
Model NO. : Customized / Rain & Moisture Proof Spec
Type : Semi-Trailer / Rain-Proof and Moisture-Proof Enclosed Van Box Semi-Trailer
Load Capacity : 30 - 60 Tons (All-Weather Moisture-Sensitive Payload)
Volumetric Capacity : Approx. 75 - 95 CBM (Customizable)
Condition : New
Grade : High-Security Weatherproof & Moisture-Isolated Logistics Grade
Shape : Fully Enclosed Box / Sealed All-Weather 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 Continuous-Seam Corrugated Steel / Sealed Fiber Composite (FRP)
Box Wall Thickness : 1.2mm / 1.5mm Corrugated Steel (or 15mm-20mm Sealed Composite)
Roof Structure : One-Piece Seamless Aluminum / Steel Roof Panel with Interior Anti-Condensation Coating
Rear Doors : Double Rear Swing Doors with Quadruple EPDM Rubber Weather Gaskets & Compression Lock Bars
Side Doors : Optional Double-Sealed Side Doors with Rain Diverter Gutters
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 / 385/65R22.5 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 I-Beam
Upper/Down Plate : 12mm / 14mm / 16mm / 20mm
Middle Plate (Web) : 6mm / 8mm / 10mm / 12mm
Welding : 100% Watertight Continuous Submerged-Arc & Robotic Welding
Floor Plate : 3mm / 4mm Checkered Steel Deck with Raised Water Barriers & Perimeter Drain Slots
Cargo Securing : Internal Recessed E-Track Rails / Lashing Rings / Moisture-Resistant Shoring Slots
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 Waterproof Sealed Steel Box
Electrical System : 24V, 7-Pin ISO Socket, Full LED Sealed Interior & Exterior Lights (IP67 Rated)
Painting / Finish : Shot Blasting (Sa 2.5) + Anti-Corrosion 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 Packaging
Delivery Time : 25 - 30 Working Days
Payment Terms : T/T, L/C
Key Structural & Performance Features
1. Advanced Weather-Proofing & Anti-Condensation Architecture
- Quadruple EPDM Door Gasket System: Rear and side swing door apertures utilize multi-lip high-elasticity EPDM rubber seals combined with heavy compression locking rods, completely blocking wind-driven rain and high-pressure water spray during tropical storms.
- Overhead Rain Diverter Gutters: Exterior door headers feature integrated aluminum rain gutters that channel water runoff away from door seals during loading and unloading operations.
- Anti-Condensation Roof Coating: Interior roof lining is treated with an anti-drop moisture isolation coating or insulated composite sandwich board to prevent thermal condensation droplets from falling onto moisture-sensitive paper or grain cargo.
2. High-Strength Watertight Chassis & Floor Construction
- Submerged-Arc Watertight Welded Main Frame: Built using high-tensile Q345B/Q550 structural steel with continuous robotically welded seams to prevent chassis joint oxidation and guarantee structural rigidity under maximum loads.
- Raised Floor Perimeter & Drainage: 3mm/4mm anti-skid checkered steel deck is welded with perimeter water-retaining curbs and one-way drain valves to prevent bottom moisture seepage and manage internal washdowns.
- Corrosion-Resistant Structural Finish: Multi-stage surface treatment including Sa 2.5 shot blasting, high-build epoxy zinc primer, and marine-grade polyurethane finish protects the box against salt spray and humid coastal atmospheres.
3. Commercial Running Gear & Reliability
- Heavy-Duty Axle Assembly: Equipped with 2, 3, or 4 commercial 13T/16T heavy-duty axles (FUWA or BPW) to ensure smooth load distribution and long-haul tracking stability.
- WABCO Air Braking with ABS: Dual-line pneumatic compressed air braking system equipped with WABCO ABS delivers prompt brake actuation and anti-skid control on wet and slippery highways.
- Sealed IP67 Electrical Wiring: All electrical harness connectors, junction boxes, and full LED marker lights are IP67 moisture-sealed to prevent electrical shorts and corrosion failure in high-humidity climates.
Commercial & Logistics Terms
- Shipping & Delivery: Shipped via Ro-Ro vessel, Bulk Cargo vessel, or flat-rack / SKD packaging to optimize international ocean freight costs.
- Warranty Coverage: 3-Year structural guarantee on the main chassis frame; 1-Year warranty covering axles, landing gear, weather door seals, and braking components.
- Payment Terms: 30% T/T deposit, 70% balance paid prior to dispatch; irrevocable L/C at sight accepted.
