High Strength Steel Frame Semi Truck Flatbed Trailer 18 Meters 50-80 Tons
Low-Bed Semi-Trailer For Construction Machinery
Heavy-Duty Low-Profile Semi-Trailer | Custom Engineering Transport Solution
Transport What Others Can’t.
The Liangshan Yuntong Your Custom-Built Heavy Haul Solution for Oversized & Super-Heavy Cargo.
Intro & Hero Statement
Struggling with complex logistics, road compliance, or safe transport of oversized machinery? Meet the Liangshan Yuntong Low-Profile Semi-Trailer—an engineered transport system built for extreme loads, tight deadlines, and demanding road regulations. With up to 80-ton capacity (expandable to 120 tons), multi-axle weight distribution, and a customizable low-profile frame, it’s designed to move what others can’t—safely, legally, and efficiently.
Key Product Advantages (Icon-Based Summary)
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HIGHEST PAYLOAD – 80-ton standard, expandable to 120 tons with reinforced axles.
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ROAD-LEGAL DESIGN – Multi-axle system distributes weight, meeting strict bridge & pavement regulations.
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EFFORTLESS LOADING – Hydraulic ramp adjusts from 30° to 45°, allowing self-driven equipment boarding.
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LOW-PROFILE SAFETY – 1,500mm platform height avoids overhead obstacles and improves stability.
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FULLY CUSTOMIZABLE – Axle count, length, color, and specs tailored to your project.
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DURABLE CONSTRUCTION – Q690/Q890 high-strength steel with corrosion-resistant coating.
Detailed Product Specifications
| Feature | Specification |
|---|---|
| Model | Liangshan Yuntong LS-HT-80T Low-Profile Semi-Trailer |
| Load Capacity | 50–80 tons (extendable to 120 tons) |
| Platform Dimensions | 12,500mm L × 2,500mm W × 1,500mm H (customizable up to 18,000mm L) |
| Axle Configuration | 3–8 axles, customizable (13T/16T per axle) |
| Tire Specification | 12R22.5 industrial radial tires (10+1 spare) |
| Brake System | Dual-circuit air-hydraulic brakes (ABS optional) |
| Ramp System | Hydraulic adjustable ramp (manual option available) |
| Frame Material | Q690/Q890 high-strength steel, anti-corrosion treated |
| Suspension | Multi-leaf spring + air suspension combo |
| Min. Turning Radius | 18 meters |
| Color Options | Fully customizable (RAL color system) |
| Compliance & Certs | ISO 9001, CE, EU road safety standards |
Who Is This Trailer For?
- Wind Energy Contractors – Transport turbine blades, nacelles, and towers securely.
- Construction & Mining Firms – Move excavators, bulldozers, and cranes across sites.
- Heavy Machinery Rental Companies – Ensure safe delivery of rented equipment.
- Infrastructure & Bridge Builders – Haul large pre-fab sections and structural components.
- Industrial Plant Relocators – Transport reactors, transformers, and oversized tanks.
Customer Pain Points We Solve
| Before LS-HT-80T | After LS-HT-80T |
|---|---|
| Multiple trips for heavy cargo ➔ High fuel & labor costs | Single-trip capability ➔ Reduced cost & time |
| Road damage & permit violations ➔ Fines & delays | Multi-axle design ➔ Road-safe & compliant |
| Cranes needed for loading ➔ Extra expense & risk | Hydraulic ramp ➔ Self-loading in minutes |
| Height restrictions limit routes ➔ Long detours | Low-profile design ➔ Direct, efficient routing |
| One-size-fits-all trailers ➔ Inefficient for special loads | Fully customizable ➔ Perfect fit for every project |
Why Choose Liangshan Yuntong?
Years of Heavy Transport Manufacturing
We’ve delivered over 5,000 units across 40+ countries, specializing in custom engineering transport solutions.
Internationally Recognized Certifications
ISO 9001:2015 (Quality Management) & ISO 14001 (Environmental Management) certified.
R&D-Backed Innovation
A dedicated team of 300+ engineers continuously improves design, safety, and functionality.
Global Logistics & Support
From factory to site—we manage shipping, documentation, and provide 24/7 technical support.
End-to-End Customization
We don’t just sell trailers—we engineer transport solutions tailored to your cargo, route, and regulations.
Frequently Asked Questions
Q: Can this trailer transport a 70-ton mobile crane?
A: Absolutely. Our 80-ton model with reinforced axles is designed specifically for super-heavy machinery like cranes, excavators, and industrial reactors.
Q: Is the hydraulic ramp included?
A: Yes, the hydraulic adjustable ramp is standard. A manual ramp is available as a cost-saving option.
Q: How long does customization take?
A: Typically 4–6 weeks from final design approval to shipment, depending on specifications.
Q: Do you provide on-site training?
A: Yes, we offer optional on-site operator training and maintenance guidance.
Q: What is the warranty period?
A: 12-month full warranty on structure and components (excluding wear items like tires and brakes).
Ready to Engineer Your Transport Solution?
Let’s build the trailer that fits your mission.
Whether you’re moving a transformer, a stacker, or a bridge section—we’ll design it to be safe, efficient, and compliant.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.