Drop Deck Lowboy Flatbed Semi Trailer
Lowbed Flatbed Semi Trailer – Heavy & Oversized Equipment Transport
The Lowbed Flatbed Semi Trailer is specifically developed for transporting oversized, heavy, and high-clearance equipment. By integrating a specialized step deck flatbed trailer for sale design, this model allows taller cargo to be transported safely while meeting strict road height restrictions, making it the premier choice for specialized heavy-duty logistics.
As a dedicated Flatbed For Heavy Equipment, this Step Deck Trailer is widely used in industries where large machinery needs to be moved efficiently and securely across long distances.
Drop Deck / Lowboy Flatbed Semi Trailer Parameters
| Brand | ROADKING |
| Item | 3 Axles Drop Side Flatbed Trailer |
| Size | 13950mm * 2500mm * 1600mm(Optional) |
| Axles | 3/4 Axles |
| Container / Cargo Loading | 140ft / 145ft Container / Cargo Loading |
| Load Capacity | 30 - 80 Tons |
| Type | Gooseneck Type / Tandem Type |
| Main Beam Material | Q345/T700 |
| Upper Plate Thickness | 16mm |
| Middle Plate Thickness | 10mm |
| Lower Plate Thickness | 18mm |
| Height | 500mm |
| Platform Thickness | 3mm |
| Tire | 12R22.5 (8/12 Pieces) Linglong / Triangle / DoubleCoin / Bridgestone / Other Brand |
| Rim | 9.00*22.5 (8/12 Pieces) Steel / Aluminum |
| Leaf Spring | 90mm * 13mm * 10 pieces, 90mm * 16mm * 10 pieces |
| Kingpin | #50(2") / #90(3.5"), JOST / Other Brand |
| Landing Gear | 28 Ton Two Speed, JOST / Other Brand |
| Twist Lock | 12 Sets |
| Vehicle Painting | Electrophoresis Painting |
Structural Design & Performance
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Low Center of Gravity: The stepped deck structure lowers the cargo position, improving balance and reducing the overall transport height. This makes it easier to pass through tunnels and bridges without height-clearance issues.
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Superior Frame Integrity: Our 3 axle flatbed trailer with through-beam structure technology ensures that the cross-beams penetrate the main beams. This Flatbed With Through-Beam Structure significantly increases the torsional resistance and longitudinal strength of the chassis.
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High-Strength Material: Built with a reinforced Q345/T700 high-strength steel frame, the trailer provides excellent resistance to extreme loads and long-term operational stress.
Key Features
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Optimized Low Deck: The ideal design with a lower deck height to accommodate high and oversized cargo.
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Structural Durability: Engineered to prevent floor sagging and ensure even weight distribution under concentrated loads.
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Enhanced Stability: A lower center of gravity improves safety during high-speed transit and sharp turns.
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Efficient Loading: Designed for the easier handling of large machinery via heavy-duty ramps.
Typical Applications
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Construction Machinery: Transport for excavators, bulldozers, and cranes.
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Mining Logistics: Moving heavy-duty crushers and industrial equipment.
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Infrastructure Projects: Delivery of large steel structures and bridge beams.
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Industrial Relocation: Safe transport for heavy factory machinery.
Customization Options
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Deck Specifications: Adjustable deck height and length to suit specific project needs.
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Axle Configurations: Choose from 3-axle setups to 5-axle heavy-duty versions.
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Loading Systems: Optional hydraulic ramps or mechanical spring ramps.
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Suspension Upgrades: Air suspension or heavy-duty bogie suspension for extreme working conditions.
Quality Control & Manufacturing
Every unit undergoes a rigorous quality validation process:
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Structural Strength Testing: Load-bearing stress analysis on the chassis frame.
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Welding Excellence: Full-penetration welding inspection and stress-relief treatment.
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Performance Checks: Comprehensive brake and suspension performance validation.
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Final Verification: Road safety and stability testing before factory dispatch.
After-Sales Support & Quotation
China flatbed semi trailer manufacturer provide more than just a trailer; we provide a complete heavy transport solution. Contact us today for a professional flatbed trailer quotation tailored to your technical requirements.
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Consultation: Heavy transport strategy and route planning advice.
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Engineering Support: Custom modification to suit local road regulations.
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Spare Parts: Global supply of genuine axles, tires, and braking components.
Professional Solution for Heavy Haulage
The lowbed flatbed semi trailer is a powerful and reliable choice for transporting oversized equipment, combining safety, strength, and adaptability for demanding transport tasks.