Tri-Axle 40ft High-Bed Off-Road Container Trailer

The Tri-Axle 40ft High-Bed Off-Road Container Trailer is an extreme-terrain commercial transport semi-trailer engineered specifically for unpaved roads, mining access routes, oilfield construction sites, and remote cross-country logistics. Built with high-strength Q345B/Q550 structural steel and automated submerged-arc welding, it features an elevated chassis frame with exceptionally high ground clearance, heavy-duty underbody protection, and reinforced cross-members to prevent bottoming out over severe rutted or rocky terrain. Equipped with 12 multi-position twist-locks, 3 heavy-duty 16T off-road axles, large-diameter off-road tires, and heavy-duty mechanical leaf spring suspension, it delivers maximum terrain capability and load stability under challenging off-grid transport conditions. 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 : 50T/60T

Condition : New

Grade : Heavy Duty / Extreme Terrain

Shape : High-Bed Off-Road Flatbed

Origin : Shandong, China

Production Capacity : Customized

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

HS Code : 8716399000

Overall Dimensions : 12500 x 2500 x 1650-1800 mm

Platform Dimension : Customized

Wheel Base : 7000 + 1310 + 1310 mm

Tread : 1840 mm / 2050 mm

Axle Number : 3 Axles

Axle Brand : FUWA / BPW / HuaJin Heavy Off-Road

Axle Capacity : 16T

Tire Number : 12 / 6 (Single Super Wide Option)

Tire Specification : 12.00R20 / 14.00R20 / 385/65R22.5 Off-Road Tread

Tire Brand : Triangle / Double Coin / Linglong / Chaoyang

Rim : 8.5-20 / 10.0-20

Suspension : Heavy Duty Off-Road Mechanical Leaf Spring Suspension

Leaf Spring : 10pcs / 12pcs (90x16mm / 100x18mm)

Brake System : ABS Anti-lock Braking System with Dust Guard Protectors

ABS Brand : WABCO / Kemi / Haldex

Self-dumping : Not Self-dumping

Material : High-Strength Steel (Q345B/Q550)

Main Beam Height : 520mm / 550mm

Upper Plate : 16mm / 18mm

Down Plate : 18mm / 20mm

Middle Plate : 10mm / 12mm

Welding : Automatic Submerged-Arc Welding

Platform Floor : Thickened Checkered Steel Plate 4mm / 5mm

Landing Gear : 28T Two Speed Heavy Duty Heavy-Duty Off-Road Foot / JOST / FUWA

King Pin : 50#(2") / 90#(3.5") Heavy Duty Reinforced

King Pin Brand : JOST / FUWA

Twist Lock : 12pcs Multi-Position Heavy-Duty Twist-Locks

Spare Tire Carrier : 2pcs Heavy-Duty Winch Type

Tool Box : 1pcs Reinforced Dustproof Steel Box

Electric System : 24V, 7 Pin Socket, Heavy Duty Armored LED Lights

Wiring Harness : 7 Lines Heavy Duty Protected

Painting : Shot Blasting + Epoxy Anti-Corrosion Primer + Double Heavy Duty 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. High Clearance Frame & Extreme-Terrain Chassis Architecture

  • Elevated High-Bed Architecture: Designed with exceptional ground clearance and optimized approach/departure angles to prevent undercarriage hang-ups when traversing steep inclines, deep ruts, and unpaved off-road sites.
  • Q345B/Q550 Heavy-Duty Spine: Main longitudinal beams welded using continuous automated Submerged-Arc Welding (SAW) with thickened upper/lower flanges to handle intense dynamic twist and impact loads.
  • Reinforced Underbody & Cross-Members: Features closely spaced cross-members and heavy-duty steel skid protection plates to shield air tanks, brake chambers, and wiring harnesses from rocks and debris.

2. Axle, Suspension & Pneumatic Braking Systems

  • Heavy Off-Road 16T Axles: 3 heavy-duty 16T axles (FUWA / BPW / HuaJin) with expanded wheel tread and off-road hub assemblies designed specifically for severe gravel, sand, and muddy conditions.
  • Severe-Duty Mechanical Suspension: Reinforced multi-leaf spring suspension (up to 12pcs, 100x18mm) with heavy-duty equalizers and torque rods to maintain axle alignment on uneven terrain.
  • Protected Pneumatic Braking System: Dual-line air braking system with ABS (WABCO / Kemi / Haldex) equipped with protective steel guards over brake chambers and valves for off-road reliability.

3. Operational Accessories & Logistics Setup

  • Off-Road Landing Gear & Kingpin: 28-Ton two-speed heavy-duty landing gear with wide swivel footplates to prevent sinking into soft ground, paired with a reinforced 50#(2") or 90#(3.5") kingpin.
  • Armored Electrical System: Fully enclosed, wire-braid protected 24V LED lighting package with heavy steel guards over tail lamps and clearance lights.
  • Heavy-Duty Surface Protection: Shot-blasted surface treated with high-adhesion epoxy anti-corrosion primer and double polyurethane topcoats for severe weather and abrasive terrain exposure.

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 Ro-Ro vessel, Bulk Cargo ship, or Flat-Rack container.
  • Payment Terms: T/T (Telegraphic Transfer), L/C (Letter of Credit).

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