Heavy Haulage with Ultra-Low Ground Clearance
A low-bed truck and semi-trailer is a specialized transport system engineered for moving oversized, heavy, or tall equipment that cannot be accommodated by standard-height trailers. Characterized by its ultra-low deck height (typically 0.6–1.2 meters), this combination integrates a heavy-duty tractor unit with a low-profile semi-trailer, enabling safe and efficient transportation of industrial machinery, construction equipment, and prefabricated structures.
Key Specifications
- Payload Capacity: 30–100+ metric tons (customizable based on axle configuration)
- Deck Height: 600–1,200 mm (adjustable via hydraulic systems)
- Deck Dimensions:
- Length: 12–18 meters (extendable to 30+ meters with modular extensions)
- Width: 2.8–3.5 meters (hydraulic width expansion for extra-wide cargo)
- Axle Configuration:
- Truck: 3–4 axles (6x4 or 8x4 drive)
- Semi-Trailer: 3–7 axles (air/mechanical suspension with load-balancing technology)
- Ground Clearance: As low as 250 mm (under-deck space for obstacle avoidance)
Design Highlights
1. Integrated Gooseneck Design
- Combines the tractor and trailer with a stepped gooseneck coupling, minimizing deck height while maintaining structural rigidity.
- Hydraulic lift/lower mechanisms (±200 mm adjustment) for smooth loading and terrain adaptability.
2. Multi-Axle Load Distribution
- Spreads weight evenly across axles to comply with road regulations (e.g., 12 tons/axle in the EU, 20,000 lbs/axle in the U.S.).
- Liftable axles on the semi-trailer reduce tire wear when empty.
3. Advanced Loading Systems
- Retractable ramps (up to 5 meters) with anti-slip surfaces for machinery roll-on/roll-off.
- Optional sliding decks or hydraulic tilting mechanisms (up to 15° incline) for non-movable cargo.
4. Enhanced Safety Features
- ABS/EBS braking systems with load-sensing capabilities.
- Reinforced tie-down points (10–20-ton rating) and side stanchions for cargo security.
- LED lighting, rear underrun guards, and reflective markings for visibility.
Primary Applications
- Construction: Transporting excavators, cranes, and asphalt pavers.
- Energy Logistics: Moving wind turbine blades, transformers, and oilfield equipment.
- Industrial Manufacturing: Relocating presses, boilers, and factory modules.
- Infrastructure: Hauling bridge segments or prefabricated concrete structures.
Compliance & Standards
- Meets ISO 1496-5 (flat rack standards) and DIN EN 12642 (load restraint requirements).
- Certified for road use under regional oversize/overweight (OSOW) permits.
Customization Options
- Extendable Deck: Add modular sections for extra-long cargo.
- All-Terrain Tires: For off-road or mining environments.
- Telematics Integration: GPS tracking and real-time load monitoring.
- Climate Adaptations: Corrosion-resistant coatings or Arctic-grade components.
Operational Advantages
- Maximized Legal Payload: Optimized axle spacing adheres to bridge formula laws.
- Versatile Loading: Accommodates both self-propelled and non-mobile cargo.
- Fuel Efficiency: Aerodynamic tractor design paired with lightweight trailer materials (e.g., high-strength steel alloys).
This **low-bed truck and semi-trailer system** is the backbone of heavy logistics, offering unmatched versatility for industries requiring precision transport of colossal loads. Manufacturers often provide route planning support and axle-load simulations to ensure compliance with global transportation regulations.
Let me know if you'd like to focus on specific components (e.g., hydraulic systems, axle tech) or regional compliance details! 🚚🔧
Example photo

Parameter Table
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Low Loader Truck Semi Trailer |
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MODEL |
HT9300EXTL |
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DIMENSION(OPTIONAL) |
AXLE NO. |
RATED LOAD (T) |
TIRE NO. |
TIRE SIZE |
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DIMENSION MADE BY CUSTOMER MACHINE SIZE, STANDARD LENGTH IS 13500MM (CONTACT SUPPLIER FOR MORE) |
1 |
20 |
4 |
825R201000R20 1100R201200R20 12R22.5(OTHER SIZE/ SINGLE SUPER TIRE CONTACT WITH SUPPLIER) |
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2 |
40 |
8 |
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3 |
60 |
12 |
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4 |
80 |
16 |
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5 |
100 |
20 |
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WHEEL BASE (MM) |
1310 |
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AXLE |
13/16/20/25T |
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SUSPENSION |
HEAVY DUTY MECHANIC SUSPENSION WITH LEAF SPRINGS |
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MAIN BEAM MATERIAL |
Q345B MANGANESE PLATES,AUTOMATIC SUBMERGED ARC WELDED |
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BRAKE SYSTEM |
DUAL LINE BRAKING SYSTEM WITH AUTOMATIC BRAKING SYSTEM/CHAMBERS |
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KINGPIN |
2'OR 3.5'INTERCHANGEABLE |
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LANDING GEAR |
28T LOADING CAPACITY WITH 80T STATIC LIFTING CAPACITY. |
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PLATFORM |
4-6 MM DIAMOND STEEL PLATE |
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BRAKE SYSTEM |
DUAL LINES BRAKING SYSTEM WITH AUTOMATIC AIR CHAMBERS |
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ELECTRICAL SYSTEM |
24V,7CORE SOCKET,LIGHTS ACCORDING TO EUROPEAN STANDARDS. |
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MAINBEAM SIZE |
UPPER WING PLATE |
14MM |
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LOWER WING PLATE |
16MM |
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STANDING PLATE |
8 MM |
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HEIGHT |
500-520MM |
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KINGPIN HEIGHT |
ACCORDING TO THE HEIGHT OF THE TRACTOR SADDLE. |
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