One-stop semi-trailer factory in China
Shandong Liangyu Special Vehicles Co., Ltd. is an international enterprise specializing in the design, manufacturing and export of semi-trailers and special vehicles. The factory is located in Liangshan, the semi-trailer production base of China, covering an area of 200,000 square meters. It has been established for nearly 20 years.
4 Axles 90 Ton Extended Lowbed Trailer – Hydraulic Telescoping
Payload: 90 t – handles 25 m pipes, 30 m bridge beams, and wind turbine blades up to 28 m
Rectangular telescoping beam (400×400 mm) – high torsional rigidity vs C‑channel; no twist under offset loads
Dual locking system – hydraulic pins + mechanical drop bolts; primary unlocks only after secondary is manually released
Load chart per extension length – 90 t at 14 m / 75 t at 17 m / 60 t at 20 m; printed on side rail for driver reference
Chrome‑plated wear pads – replaceable sliders on telescoping section; prevents galling and extends beam life
LED extension indicator – green/yellow/red lights on chassis side show length at a glance; no measuring tape needed
Auto‑grease system – electric pump feeds four slide rails every 8 hours of operation; no missed lubrication intervals
Products Details Presentation
product specification
| Products name | 4 Axles Extended Lowbed Trailer | Beam |
longitudinal beam height:500mm Outside beam and Inside beam(customizable) |
| Gooseneck | Integrated Gooseneck | Floor | Pattern 3 mm |
| Products Payload | 30~120 tons | Bumper | Factory Standard |
| Axles | 13T*4pcs | Lashing Hooks | Have |
| Suspension | Mechinal suspension/Air suspension | Spare wheel carrier | Factory Standard |
| Tyres | 16pcs | Toolbox | 1 pc |
| Landing legs | Single action/Coupling outriggers | Mud flaps | Factory Standard |
| Air chamber specification | 8 double | Container locks | 12 pcs |
| Lights&Wiring | DIN7 pin socket,24-volt systerm,dual LED combination stop,tail and separate indicator lights | Paint | Double-component spray paint |
Products Advantages
Hydraulic Extension for Versatile Cargo Length
The Extended Lowbed Trailer features a hydraulically powered, telescopic main frame. This critical design allows the trailer's deck length to be adjusted on-site, enabling it to carry exceptionally long or oversized cargo such as wind turbine blades, bridge beams, and industrial modules. This versatility eliminates the need for multiple specialized trailers, making it a highly adaptable and cost-efficient solution for complex heavy haulage projects.
Low Deck for Optimal Loading and Unloading
With an extremely low deck height and a ground-level loading approach, this trailer drastically reduces the incline angle during ramping. This design allows heavy equipment like excavators, bulldozers, and generators to be driven or winched on and off with greater safety and ease. It minimizes the risk of equipment grounding and significantly enhances on-site loading efficiency, reducing time and labor costs.
Multi-Axle Configuration for Heavy Load Capacity
The trailer is equipped with multiple axles, often in a clustered or spread arrangement, to distribute the immense weight of the cargo over a larger area. This configuration is crucial for complying with road weight regulations per axle. Combined with a high-strength steel frame, it ensures the safe and stable transport of cargo weighing up to 100 tons or more, while protecting road infrastructure.
Steering System for Superior Maneuverability
The trailer is equipped with a hydraulic or mechanical steering system on its rear axles. This allows the axles to turn in coordination with the tractor's movement, significantly reducing the turning radius. This feature is critical for navigating tight corners, congested job sites, and complex urban routes that would be impassable for a standard, rigid trailer, ensuring precise and efficient delivery.
Strong Frame and Anti-corrosion for Long Life
The trailer uses high-strength steel in a reinforced I-beam or box girder structure for maximum durability under extreme loads. Critical components undergo advanced surface treatments, such as sandblasting and multi-layer anti-corrosion painting, to effectively resist rust and wear in harsh working environments. This ensures the structural integrity and service life of the trailer over long-term, high-intensity use.
customer Feedback
Project Director of a Power Plant Contractor in Malaysia:
"Transporting a massive, 85-ton transformer to a remote construction site was our major challenge. The extendable lowbed's hydraulic system allowed us to adjust the deck length on-site to perfectly fit the cargo. The detachable gooseneck made ground-level loading possible, and the multi-axle steering navigated narrow access roads flawlessly. This trailer turned a logistical nightmare into a smooth operation."
01
The Head of a Southeast Asian Construction Consortium
"The multi-section telescopic lowbed trailer was the only solution for transporting the 40-meter bridge trusses. Its ability to extend up to 15 meters allowed for perfect load distribution and eliminated the need for a pilot car escort due to excessive overhang. The platform's extreme low profile enabled direct loading with our on-site gantry crane, saving over two days of assembly time. It has proven to be a critical, one-piece transport system for our infrastructure projects."
02
The Owner of a European Wind Farm Logistics Company
"For transporting wind turbine blades of varying lengths across our project sites, our newly acquired extendable lowbed trailers have been transformative. Their hydraulic telescopic frame allows us to adjust the deck length in the field to perfectly match each blade, from 50 to 80 meters, securing it safely along its entire span. This flexibility has eliminated the need for multiple, specialized trailers and halved our equipment coordination time. The loading efficiency and on-site adaptability have made them the most requested asset in our fleet."
03
The Head of a Port Terminal Expansion Project in Chile
"Transporting pre-fabricated, 120-ton concrete caissons from the casting yard to the dockside was a critical challenge. Our telescoping lowbed trailer was the key. We fully extended its deck to provide a perfectly balanced support base for each massive block, ensuring stability during the slow convoy. Its extremely low loading height allowed our terminal cranes to load directly without complex rigging. This solution directly accelerated our project timeline, proving that the right trailer is as vital as the cargo itself."
04
International Cooperation
factory display
why choose us
Our telescopic lowbed trailers are the versatile solution for transporting exceptionally long and oversized cargo, such as wind turbine blades, bridge girders, and industrial modules, across diverse sectors from renewable energy and infrastructure to heavy industry.
Diversification
market
In recent years, the sales of Liangyu trailer in Central Asia, the Middle East, Africa and South America have gradually increased, and the trailers are deeply trusted and supported by local customers.
one-stop service
Liangyu provides a seamless, end-to-end service with a professional sales and after-sales team. We guide you through every step-from customized trailer design and procurement to shipping coordination and after-sales support. Each vehicle undergoes stringent quality inspections before delivery, ensuring compliance with international standards. This allows customers to enjoy a worry-free procurement and import process, supported by our commitment to reliability and satisfaction at every stage.
mission
Liangyu is dedicated to maximizing product value by centering on customer needs. We deliver high-quality trailer solutions and are committed to providing tailored product configurations for global clients, ensuring each project receives dedicated, end-to-end support.
We sincerely welcome friends from all over the world to visit our company for win-win cooperation.
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