Heavy Duty Van Box Semi Trailer
The Heavy Duty Van Box Semi-Trailer (also known as a Reinforced Heavy-Payload Dry Freight Van, Mining & Industrial Supply Box Trailer, or Severe-Service Enclosed Cargo Trailer) is an ultra-robust, high-strength enclosed semi-trailer specifically engineered for extreme-payload transport, heavy industrial goods, mining consumables, dense paper rolls, steel coils, bagged cement, and heavy machinery parts across harsh terrain and demanding unpaved routes. Built on a heavy-duty Q345B/Q550/T700 structural steel chassis featuring deepened main I-beams and reinforced crossmembers welded via automated submerged-arc processes, it incorporates a high-rigidity corrugated steel box structure paired with a 4mm or 5mm anti-skid checkered steel deck. Outfitted with 3 or 4 commercial heavy-duty axles (13T/16T/20T FUWA or BPW), extra-heavy mechanical multi-leaf spring suspension with balance equalizer arms, container-style double rear swing doors with heavy multi-point locking bars, and a dual-line pneumatic air braking system with WABCO ABS, this heavy-duty van trailer delivers maximum structural resilience, weather-tight cargo protection, superior anti-sag endurance, and long-term operating durability under high-stress logistics environments. Fully certified under ISO9001, CCC, CE, and SGS standards.
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Product Details
Technical Specifications
Model NO. : Customized
Type : Semi-Trailer / Heavy Duty Reinforced Enclosed Van Box Semi-Trailer
Load Capacity : 45 - 65+ Tons (Heavy Industrial & Severe-Service Payload)
Volumetric Capacity : Approx. 75 - 95 CBM (Customizable)
Condition : New
Grade : Extra Heavy Duty / Severe-Service Logistics Grade
Shape : Fully Enclosed Box / Reinforced Heavy-Duty Steel Van Body
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 Heavy-Gauge Corrugated Steel Plates
Corrugated Plate Thickness : 1.5mm / 2.0mm / 2.5mm Reinforced Steel Sheets
Roof Structure : Fully Welded Heavy-Duty Steel Roof Panel with Reinforcement Ribs
Rear Doors : Double Heavy-Duty Rear Swing Doors with EPDM Seals & 4-Lock Rod Assemblies
Side Doors : Optional Reinforced Heavy Side Access Doors
Wheel Base : 6800mm - 8800mm
Tread : 1820 mm
Axle Number : 3 / 4 Axles
Axle Brand : FUWA / BPW / HuaJin Severe-Service Heavy Duty
Axle Capacity : 13T / 16T / 20T per axle
Tire Number : 12 / 16 pcs + 1 or 2 Spare Tires
Tire Specification : 12.00R20 / 12R22.5 / 11.00R20 Heavy-Duty Mining & Highway Radial Tires
Tire Brand : Triangle / Double Coin / Linglong
Rim : 8.5-20 / 9.00-22.5 Heavy-Duty Steel Rims
Suspension : Heavy Duty Mechanical Multi-Leaf Spring / Heavy Bogie / Air Ride Suspension
Leaf Spring : 10 pcs / 12 pcs / 14 pcs Extra-Thick Pack (90x16mm or 100x16mm)
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 / T700 Ultra-High Strength
Main Beam Height : 500mm / 520mm Heavy I-Beam
Upper/Down Plate : 16mm / 18mm / 20mm Extra-Thick Flange
Middle Plate (Web) : 8mm / 10mm / 12mm / 14mm
Welding : Automatic Submerged-Arc Welding
Floor Plate : 4mm / 5mm Heavy Anti-Skid Checkered Steel Plate
Cargo Securing : Heavy Internal E-Track Rails / Floor-Mounted D-Rings / Reinforced Shoring Slots
Landing Gear : JOST / FUWA 28T Heavy-Duty Two-Speed Manual Landing Gear
King Pin : JOST 50# (2-inch) or 90# (3.5-inch) Heavy Duty Bolted / Welded King Pin
Spare Tire Carrier : 1 or 2 Heavy-Duty Winch 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 Packaging
Delivery Time : 25 - 30 Working Days
Payment Terms : T/T, L/C
Key Structural & Performance Features
1. Reinforced High-Payload Structural Steel Body
- Heavy-Gauge Corrugated Steel Enclosure: Side and front walls are fabricated from 1.5mm to 2.5mm cold-rolled corrugated steel plates with deep wave profiling, providing extreme rigidity against interior cargo impacts and external twisting forces.
- Heavy-Duty Double Rear Swing Doors: Reinforced door frames feature heavy-duty EPDM weather seals and 4 full-length container locking rods to ensure complete weather protection and security for high-value industrial payloads.
- Fully Welded Roof Architecture: One-piece continuous-welded steel roof with internal support ribs guarantees zero water leakage and structural rigidity under extreme environmental conditions.
2. Extra Heavy-Duty Chassis & High-Load Floor
- Submerged-Arc Welded Ultra-Rigid Main Beams: Constructed using Q345B, Q550, or T700 ultra-high-tensile steel with flange thickness up to 20mm and web plate up to 14mm. Fabricated via automated submerged-arc welding to eliminate frame sagging under 65+ ton concentrated loads.
- 4mm/5mm Checkered Anti-Skid Deck: Heavy-duty checkered steel floor plate supported by high-density transverse crossmembers easily accommodates continuous heavy forklift traffic and point loads.
- Reinforced Internal Cargo Retention: Internal side walls incorporate heavy-duty steel E-track rails and floor-welded D-ring tie-down points for securing heavy machinery, steel coils, or palletized industrial freight.
3. Severe-Service Running Gear & Braking Safety
- Heavy Commercial Axles: Outfitted with 3 or 4 heavy-duty 13T, 16T, or 20T commercial axles (FUWA or BPW) to ensure superior load distribution and long service life on rough, unpaved roads.
- WABCO Compressed Air Braking with ABS: Dual-line pneumatic compressed air braking system equipped with WABCO ABS delivers short stopping distances, rapid pressure response, and anti-skid safety under maximum gross weight ratings.
- Heavy-Duty Multi-Leaf Spring Packs: 10 to 14-leaf mechanical spring packs (up to 16mm thick) with balanced equalizer rocker arms absorb harsh shocks and maintain tracking stability across severe terrain.
Commercial & Logistics Terms
- Shipping & Delivery: Shipped 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 hardware, and braking components.
- Payment Terms: 30% T/T deposit, 70% balance paid prior to dispatch; irrevocable L/C at sight accepted.
