High-Strength Q550 Chassis Flatbed Trailer

The High-Strength Q550 Chassis Flatbed Trailer is an ultra-durable, high-yield commercial transport semi-trailer engineered specifically for severe-duty industrial applications, extreme impact loading, and heavy break-bulk operations. Constructed entirely with premium Q550 high-tensile structural steel and continuous automated submerged-arc welding, it provides a high strength-to-weight ratio, offering exceptional structural fatigue resistance and higher payload efficiency without compromising frame integrity. Equipped with a heavy-duty platform deck, multi-position container twist-locks, 13T–16T commercial axles, and robust mechanical multi-leaf or air suspension, it withstands aggressive impact from heavy mining equipment, steel billets, and raw materials. Fully certified under ECE, ISO9001, CCC, CE, DOT, and SGS standards.

Contact Us for Pricing

Interested in this product? Contact us now for detailed pricing and product information.

Product Details

Technical Specifications

Model NO. : Customized

Type : Semi-Trailer

Load Capacity : 50T/60T/70T

Condition : New

Grade : Heavy Duty / Severe Impact Grade

Shape : High-Strength Heavy Flatbed

Origin : Shandong, China

Production Capacity : Customized

Certifications : ECE, ISO9001, CCC, CE, DOT, SGS

HS Code : 8716399000

Overall Dimensions : 12500-13000 x 2500 x 1500 mm

Platform Dimension : Customized

Wheel Base : 7000 + 1310 + 1310 mm

Tread : 1820 mm / 2050 mm

Axle Number : 3 Axles

Axle Brand : FUWA / BPW / HuaJin Heavy Duty

Axle Capacity : 13T / 16T

Tire Number : 12

Tire Specification : 12R22.5 / 11.00R20 / 12.00R20

Tire Brand : Triangle / Double Coin / Linglong / Chaoyang

Rim : 9.00-22.5 / 8.5-20

Suspension : Heavy Duty Mechanical Leaf Spring / Air Suspension

Leaf Spring : 10pcs / 12pcs (90x16mm / 100x16mm)

Brake System : ABS Anti-lock Braking System

ABS Brand : WABCO / Kemi / Haldex

Self-dumping : Not Self-dumping

Material : Ultra High-Strength Steel (Q550)

Main Beam Height : 500mm / 520mm

Upper Plate : 14mm / 16mm

Down Plate : 16mm / 18mm

Middle Plate : 8mm / 10mm

Welding : Automatic Submerged-Arc Welding

Platform Floor : Thickened Checkered Steel Plate 4mm / 5mm (Q550 Steel)

Landing Gear : 28T Two Speed Heavy Duty / JOST / FUWA

King Pin : 50#(2") / 90#(3.5") Interchangeable

King Pin Brand : JOST / FUWA

Twist Lock : 12pcs Integrated Multi-Position Container Locks

Spare Tire Carrier : 2pcs

Tool Box : 1pcs Heavy-Duty Steel Box

Electric System : 24V, 7 Pin Socket, LED Light

Wiring Harness : 6 Lines

Painting : Sand Blasting + Primer + Two Coats Polyurethane Coating

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. Ultra High-Tensile Q550 Chassis Architecture

  • Q550 High-Yield Frame: Fabricated entirely using Q550 high-strength structural steel, delivering significantly higher yield strength ($R_{eH} \ge 550\text{ MPa}$) compared to standard Q345B steel, allowing thinner plate profiles to reduce deadweight while increasing total load capacity.
  • Impact-Resistant Structural Spine: Main longitudinal beams welded via continuous automated Submerged-Arc Welding (SAW) to provide supreme torsional elasticity, absorbing dynamic shock loads during aggressive loading of raw materials or heavy machinery.
  • Dual-Purpose Deck Layout: High-durability Q550 checkered floor plate paired with 12 multi-position ISO twist-locks, enabling seamless switching between heavy break-bulk freight and containerized intermodal shipping.

2. Axle, Suspension & Pneumatic Braking Systems

  • Heavy Commercial Axle Configuration: 3 premium heavy-duty commercial axles (FUWA / BPW / HuaJin; 13T/16T capacity per axle) calibrated for long-haul endurance and optimal axle load distribution.
  • Reinforced Mechanical / Air Suspension: Heavy-duty multi-leaf spring suspension (up to 12pcs, 100x16mm) or pneumatic air suspension engineered to cushion frame joints and absorb severe road impact.
  • Advanced Pneumatic Braking System: Dual-line ABS air braking system (WABCO / Kemi / Haldex brands) ensuring short, controlled, and stable stopping performance under maximum payloads.

3. Operational Accessories & Safety Setup

  • Heavy-Duty Landing Gear & Kingpin: Extra-heavy-duty 28-Ton two-speed landing gear (JOST / FUWA) combined with interchangeable 50#(2") or 90#(3.5") kingpins for secure tractor coupling.
  • Electrical & Lighting Package: Weatherproof 24V LED lighting set with a 7-pin socket and armored wiring harness for total highway safety compliance.
  • Corrosion & Wear Protection: Surface thoroughly cleaned via shot-blasting, coated with anti-rust primer, and finished with double-coated polyurethane topcoats for resistance against abrasive site environments.

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).

Quick Inquiry

Inquiry for: