Extended Lowbed Trailer – A telescopic chassis that lengthens to carry oversized cargo like wind blades, steel beams, or concrete pillars. Multi-axle configuration ensures stability, while the low deck height simplifies loading. Ideal for heavy haul projects requiring adjustable length and superior weight distribution.


Product Parameter
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Basical Information. |
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Name |
Extend lowbed trailer with 4 axles |
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Model |
SYF9940TDP |
Overall size |
18140mm (+5m)* 3200mm* |
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Tare weight |
Around 17800 kgs |
Payload |
Uniform load 120T, point load 60T |
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Body Structure |
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Main beam: |
Height: 500mm, Top flange: 16mm, under flange: 25mm, middle flange: 10+10mm, material: Q550D |
Cross beam: |
Bending steel plate (reinforced) |
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Side beam: |
Height: 300mm, Top flange: 8mm, |
Floor: |
2.75mm |
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Running Gear |
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Axle |
16T longer axle * 4 pcs, Brand: FXUWQ |
Suspenion + leaf spring |
Mechanical suspenion with 60 pin, thicken and widen. |
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Tire |
11.00R20 (18PR)* 17pcs |
Rim |
8.0#(16mm)* 16pcs |
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Brake chamber |
8 double |
Emergency valve |
standard |
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Air tank |
3 pcs |
Gas circuit |
&12 red yellow nylon tube |
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Landing gear |
28T, Fuwa brand |
Draw plate |
thickness 12mm |
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Electric system |
Voltage: 24V, socket: in line with the Chinese national standard seven-core socket, LED lights, wiring harness: 7-core waterproof wiring harness. |
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Others |
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King pin |
90#, knock-down |
Tool box |
2pcs on gooseneck |
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Tire carrier |
2 pcs |
Shaft head wrench |
1 pc |
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Gusset & hook |
standard |
Leg crank: |
1 pair |
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Painting |
All steel materials have been cleaned and sand blasted, then applied with anti-rust paint + topcoat (two-component paint) + spray wax. The color is to be determined. |
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Product Details

Customers' using case
This 4 axles extended lowbed trailer is very popular in Vietnam due to it's high payload capacity and durability. Every year, we export about 10-20 units to Vietnam from year 2021. Here below are the customers' using case.


Packaging and delivery
To ensure safety during long-distance sea transportation, each trailer undergoes professional anti-rust wax spraying before leaving the factory, providing comprehensive protection against corrosion from seawater and salt spray. We tailor the most cost-effective intermodal shipping plan for our clients based on cargo specifications and destination: prioritizing efficient land transport for neighboring countries and flexibly arranging Ro-Ro or bulk carrier sea freight for overseas destinations, effectively helping clients control overall logistics costs.
Customers'visit

FAQ
Q1: What types of semi-trailers do you manufacture?
We specialize in a comprehensive range of semi-trailers, including Flatbed Trailers, Drop Deck (Step Deck) Trailers, Lowbed Trailers, Dump Trailers, and specialized custom models tailored for industries such as logistics, construction, and heavy equipment transport.
Q2: Can you customize a trailer according to our specific needs?
Yes, customization is a core service. We can modify dimensions, load capacity, axle configuration, suspension type, and incorporate specialized features (e.g., hydraulic ramps, lift axles, reinforced tie-downs) to precisely match your operational requirements.
Q3: What is your standard warranty policy for trailers?
We provide a standard structural and workmanship warranty on all trailers. Specific terms (e.g., duration, coverage details) are clearly outlined in the formal sales agreement. Our global after-sales network supports warranty claims and technical assistance.
Q4: What are the main shipping and export procedures?
We manage the complete export process, including professional packaging (with anti-corrosion treatment for sea freight), preparation of all commercial and shipping documents, and arrangement of optimal transport (via containers, Ro-Ro vessels, or flat racks) to ensure smooth delivery to your designated port.
Q5: How do you ensure the quality and durability of your trailers?
Quality is integral to our manufacturing. We use high-tensile steel and certified components, with rigorous quality control at every stage-from material inspection and welding checks to a comprehensive final inspection-guaranteeing safety, compliance, and long-term durability.
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