Construction Site Heavy Duty Lowbed Trailer
The Construction Site Heavy Duty Lowbed Trailer is an exceptionally rugged heavy-haul transport semi-trailer custom-engineered for frequent job-site mobilization, urban civil construction hauling, and unpaved site-to-site machinery transfer. Built with a rated load capacity ranging from 40 to 150+ tons, it is constructed using Q345B/Q550/Q700/T700 high-tensile steel and automated submerged-arc welding. Its design features a reinforced chassis, heavy-duty mechanical spring or bogie suspension, multi-angle heavy folding loading ramps, and an ultra-low loading deck (700–1,100 mm) to efficiently transport medium-to-heavy excavators, wheel loaders, bulldozers, rollers, and general construction equipment across rugged project sites and highways. Fully certified under ECE, ISO9001, CCC, CE, DOT, and SGS standards.
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Product Details
Technical Specifications Matrix
| Specification Category | Parameter Details |
| Product Name | Construction Site Heavy Duty Lowbed Trailer / Civil Engineering Machinery Lowboy Semi-Trailer |
| Condition | 100% Brand New |
| Rated Load Capacity | 40 – 150+ Tons |
| Overall Dimensions (L×W×H) | 12,500–18,000 × 2,500–3,200 × 1,500–3,500 mm |
| Low Deck Length | 7,500 – 10,500 mm |
| Loading Deck Height | 700 – 1,100 mm |
| HS Code | 8716391000 |
| International Certifications | ECE, ISO9001, CCC, CE, DOT, SGS |
Key Structural & Performance Features
1. Reinforced Job-Site Chassis & High-Tensile Structure
- High-Tensile Steel Frame: Fabricated with Q345B, Q550, Q700, or T700 steel plates, designed to resist severe twisting stresses and point loads common on uneven construction terrain.
- Automated SAW Welding: Robotic Submerged-Arc Welding (SAW) combined with $CO_2$ gas-shielded welding guarantees exceptional structural weld endurance under intensive everyday job-site usage.
- Heavy-Duty Main Beam Profile: Main beam height options of 450 mm to 500 mm with thick flange plates and dense crossmember spacing to eliminate frame sagging under heavy crawler tracks.
- Anti-Skid Checkered Platform: 5 mm or 6 mm checkered steel floor combined with structural steel reinforcement, offering high traction for muddy or wet construction machinery tires and tracks.
2. Axle, Suspension & Braking Systems
- Axle Configurations: 2 to 6 axles (FUWA, BPW, Huajin, or equivalent premium brands; 13T / 16T / 20T capacity per axle) optimized for heavy daily loads.
- Suspension Options: Heavy-duty multi-leaf spring suspension (10/12/16 leaves) or mechanical bogie suspension designed for rough job-site entry roads.
- Tire & Rim Setup: 8 to 24 heavy-duty commercial tires paired with 6.75-17.5 or 9.00-22.5 high-load steel rims.
- Braking System: Dual-line ABS anti-lock braking system (WABCO, Kemi, Haldex, or equivalent) ensuring reliable stopping safety under full construction payloads.
3. Construction Machinery Loading & Securing Setup
- Reinforced Loading Ramps: Heavy-duty spring-assisted or hydraulic folding ramps with anti-skid surface bars, engineered to handle frequent loading/unloading cycles of tracked excavators and loaders.
- Platform Width Extension: Outriggers and side brackets extend platform width by 250–300 mm per side to accommodate wide construction equipment and road rollers.
- Cargo Securing Systems: GR120 heavy-duty lashing chains, D-ring tie-down anchor points, and heavy wheel chocks to lock construction machinery firmly against shifting.
- Standard Accessories: 28-Ton two-speed landing gear (JOST / FUWA), 50# (2") or 90# (3.5") interchangeable kingpins, 24V 7-pin LED lighting system, spare tire carriers, and a weather-sealed tool box.
Commercial & Logistics Terms
- Warranty Policy: 3-Year warranty for the main beam; 1-Year warranty for axles and suspension.
- Delivery Lead Time: 25 – 35 working days upon order confirmation.
- Packaging & Shipping: Nude packing; shipped via Ro-Ro vessel, Bulk Cargo ship, or Container.
- Payment Terms: T/T (Telegraphic Transfer), L/C (Letter of Credit).
