High-Strength Q345B Steel Heavy Flatbed Trailer
The High-Strength Q345B Steel Heavy Flatbed Trailer is a foundational, heavy-duty commercial transport semi-trailer engineered specifically for standard-to-heavy general freight, containerized intermodal shipping, and palletized break-bulk cargo. Built entirely from premium Q345B structural steel and automated submerged-arc welding, it features a rugged, torsion-resistant main chassis spine designed to withstand continuous high-load cycles and harsh long-distance highway conditions. Equipped with 12 integrated ISO container twist-locks, durable 13T commercial axles, and robust mechanical leaf spring or air suspension, it provides maximum payload reliability and exceptional structural longevity. Fully certified under ECE, ISO9001, CCC, CE, DOT, and SGS standards.
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Product Details
Technical Specifications
Model NO. : Customized
Type : Semi-Trailer
Load Capacity : 40T/50T
Condition : New
Grade : Heavy Duty
Shape : Standard Flatbed
Origin : Shandong, China
Production Capacity : Customized
Certifications : ECE, ISO9001, CCC, CE, DOT, SGS
HS Code : 8716399000
Overall Dimensions : 12500 x 2500 x 1500 mm
Platform Dimension : Customized
Wheel Base : 7000 mm
Tread : 1820 mm
Axle Number : 3 Axles
Axle Brand : FUWA / BPW / HuaJin
Axle Capacity : 13T
Tire Number : 12
Tire Specification : 12R22.5
Tire Brand : Triangle / Double Coin / Linglong / Chaoyang
Rim : 9.00-22.5
Suspension : Heavy Duty Leaf Spring / Air Suspension
Leaf Spring : 10pcs (90x13mm)
Brake System : ABS Anti-lock Braking System
ABS Brand : WABCO / Kemi / Haldex
Self-dumping : Not Self-dumping
Material : High-Strength Steel (Q345B)
Main Beam Height : 500mm
Upper Plate : 14mm
Down Plate : 16mm
Middle Plate : 8mm
Welding : Automatic Submerged-Arc Welding
Platform Floor : Checkered Steel Plate 3mm
Landing Gear : 28T Two Speed / JOST / FUWA
King Pin : 50#(2") / 90#(3.5")
King Pin Brand : JOST / FUWA
Twist Lock : 12pcs Integrated Container Twist-Locks
Spare Tire Carrier : 2pcs
Tool Box : 1pcs
Electric System : 24V, 7 Pin Socket, LED Light
Wiring Harness : 6 Lines
Painting : Sand Blasting + Primer + Two Coats
Colour : Optional
Warranty : Main Beam 3Y / Axle 1Y
Package : Nude / Container / Ro-Ro
Delivery Time : 25-30 Working Days
Payment Terms : T/T, L/C
Key Structural & Performance Features
1. High-Tensile Q345B Structural Spine & Deck Architecture
- Optimized Q345B Framework: Main longitudinal beams fabricated from high-yield Q345B structural steel plates and continuous automated Submerged-Arc Welding (SAW), delivering superior bending strength and torsional resilience under heavy loads.
- Dual-Purpose Twist-Lock Matrix: Features 12 precision-fitted twist-locks engineered to securely anchor 1x40ft, 2x20ft, or single 20ft ISO shipping containers.
- Wear-Resistant Checkered Flooring: High-traction 3mm checkered steel plate deck offering excellent slip resistance and durability against rolling cargo and forklift traffic.
2. Axle, Suspension & Pneumatic Braking Systems
- Reliable 3-Axle Configuration: 3 premium commercial-grade axles (FUWA / BPW / HuaJin brands; 13T capacity per axle) calibrated for optimal weight distribution across trunk-line networks.
- Robust Suspension Architecture: Heavy-duty multi-leaf spring suspension (10pcs, 90x13mm) or pneumatic air suspension engineered to absorb road shock and protect frame joints.
- Advanced Braking System: Equipped with an ABS Anti-lock Braking System (WABCO / Kemi / Haldex brands) to ensure secure, responsive, and immediate stopping performance under full load capacity.
3. Operational Accessories & Logistics Setup
- Landing Gear & Kingpin: Heavy-duty 28-Ton two-speed landing gear (JOST / FUWA) combined with interchangeable 50#(2") or 90#(3.5") kingpins for fast, reliable tractor coupling.
- Electrical & Lighting System: Weatherproof 24V LED lighting system featuring a 7-pin socket and 6-line wiring harness for total highway compliance and safety visibility.
- Corrosion Protection: Surface thoroughly cleaned via shot-blasting, coated with anti-rust primer, and finished with double-coated polyurethane topcoats for long-term weather resilience.
Commercial & Logistics Terms
- Warranty Policy: 3-Year warranty for the main structural chassis frame; 1-Year warranty for axles.
- Delivery Lead Time: 25 – 30 working days upon order confirmation.
- Packaging & Shipping: Nude packing; shipped via Container, Ro-Ro vessel, or Bulk Cargo ship.
- Payment Terms: T/T (Telegraphic Transfer), L/C (Letter of Credit).
