Heavy-Duty Quad-Axle Extended Lowboy Trailer

Heavy-Duty Quad-Axle Extended Lowboy Trailer

This Extended Lowbed Trailer features a **4-axle configuration** with a reinforced, elongated main deck to handle **oversized and lengthy cargo** like wind turbine blades, bridge sections, and industrial modules. Its hydraulically adjustable gooseneck and extendable deck provide critical flexibility for various load dimensions. Built with high-tensile steel and a robust suspension system, it ensures safe, stable, and compliant heavy transport on challenging routes.
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Description

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.

 

Extended Lowbed Trailer
Extended Lowbed

Product Parameter

 
 
 

 

Basical Information.

Name

Extend lowbed trailer with 4 axles

Model

SYF9940TDP

Overall size

18140mm (+5m)* 3200mm*

Tare weight

Around 17800 kgs

Payload

Uniform load 120T, point load 60T

Body Structure

Main beam:

Height: 500mm, Top flange: 16mm, under flange: 25mm, middle flange: 10+10mm, material: Q550D

Cross beam:

Bending steel plate (reinforced)

Side beam:

Height: 300mm, Top flange: 8mm,
under flange: 8mm, middle flange : 8mm

Floor:

2.75mm

Running Gear

Axle

16T longer axle * 4 pcs, Brand: FXUWQ

Suspenion + leaf spring

Mechanical suspenion with 60 pin, thicken and widen.
10pcs widen leaf spring.

Tire

11.00R20 (18PR)* 17pcs
Linglong brand

Rim

8.0#(16mm)* 16pcs

Brake chamber

8 double

Emergency valve

standard

Air tank

3 pcs

Gas circuit

&12 red yellow nylon tube

Landing gear

28T, Fuwa brand

Draw plate

thickness 12mm

Electric system

Voltage: 24V, socket: in line with the Chinese national standard seven-core socket, LED lights, wiring harness: 7-core waterproof wiring harness.

Others

King pin

90#, knock-down

Tool box

2pcs on gooseneck

Tire carrier

2 pcs

Shaft head wrench

1 pc

Gusset & hook

standard

Leg crank:

1 pair

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.

 product-1921-912

 

Product Details

 

Detailed Picture

 

 

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.

Use Case

 

Packaging Delivery

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

 
 

product-867-675

 

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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