- Maintenance and Repairs
- Warranty Support
- Replacement Parts
Our extendable trailers feature a high-strength steel chassis with varying load capacities for retracted and fully extended configurations, specifically designed for construction sites with harsh road conditions in the African wind power and construction sectors.
Extendable trailer (also named Telescopic Trailer / Stretch Trailer) is a heavy‑duty special semi‑trailer designed for over‑length and oversize indivisible cargo transportation. It adopts multi‑stage telescopic main beam structure. The loading deck can be extended and retracted by mechanical or hydraulic system. It keeps standard length in retracted position and can be stretched to longer loading platform to fit various long‑size cargoes.
Compared with fixed-length flatbed semi-trailers or low‑bed semi‑trailers, one extendable trailer can handle cargoes of different lengths, helping customers reduce fleet investment and maintenance cost for wind power, infrastructure, oil‑gas and heavy‑industry logistics projects.
Our specifications below represent typical LionKar extendable trailer configurations. The suitable configuration depends on cargo type, payload requirements, road conditions and local regulations.
| Item | Available Specification |
| Load capacity | Load-bearing capacities in both the retracted and fully extended states can be customized as required |
| Axles | Common 3 Axles / 4 Axles / 6 Axles/ 8 Axles |
| Tires | Triangle / Linglong / Double Coin / Other |
| Suspension | Mechanical / Air Suspension Optional |
| Maximum Extended Length | Specialized wind power transport vehicles can reach a length of 62 meters |
| Curb Weight | 9–26 tons |
| Extension Stages | 2 or 3 |
| Style | Extendable flatbed trailer / Extendable low-bed trailer / Extendable sidewall trailer |
| Tractor Match | HOWO / SHACMAN / SINOTRUK / Volvo / Scania |
| Customization | Trailer dimensions, axles, steering, suspension and extension length can be tailored to your requirements |
Customisation note: Any custom configuration remains subject to engineering review and target-market requirements.
Browse the videos below to explore trailer design, structural details, equipment configuration, product features, and general trailer information related to this model.
Lionkar, an extendable semi‑trailer china manufacturer, builds trailers featuring a reliable telescopic beam system, well‑engineered anti‑distortion structure, robust body frame and heavy‑duty suspension. All are optimally suited for your payload, oversize cargo and harsh road conditions.
Our extendable trailer allows operators to adjust the deck length according to the dimensions of the cargo, making it an ideal solution for overlength steel structures, wind turbine components, bridge sections, machinery and other oversized loads. Here are the reasons why customers from 60 countries choose our extendable trailers:
This extendable semi-trailer is specifically designed for heavy-duty transport across the challenging road conditions found in Africa. Its main beams are constructed from Q460C/Q690D high-strength steel; the material’s yield strength offers exceptional resistance to impact and deformation, significantly reducing the risk of main beam cracking during prolonged heavy-load operations on rough terrain.
Equipped with quenched wear‑resistant telescopic slides, wear resistance is improved by 40%. It keeps smooth extension and retraction even after tens of thousands of cycles, cutting down breakdowns and maintenance costs.
Full‑weld technology is adopted for all key stress‑bearing parts with qualified weld inspection. Weld tear‑resistance is increased by 35% to avoid weld cracking under heavy loads.
The adjustable length fits over‑size machinery, wind power equipment and long steel materials. One trailer serves multiple cargo sizes, improving fleet efficiency for African mining and infrastructure projects.
In LionKar factory, we manufacture extendable semi‑trailer units for customers requiring practical over‑length cargo transport solutions with adjustable deck design and telescopic frame structure. Our production covers trailer fabrication, structural configuration, technical specifications, component selection, and standard manufacturing processes for different heavy‑duty over‑length cargo transport requirements.
As a professional Chinese semi‑trailer manufacturer, our factory photos showcase the structure of our extendable semi‑trailers, covering main frame, cargo platform, axle assembly, suspension system, landing gear, king pin, wheel components, surface finishing and finished trailer details for your full‑scale reference.
After delivery, extendable semi‑trailer service covers follow‑up support including spare parts supply, component replacement, maintenance guidance and technical documentation for trailer systems. Key spare parts include axle assemblies, suspension parts, landing gear, king pin components, lighting systems and telescopic frame accessories.
Extendable trailers are widely adopted for heavy‑haul over‑length cargo transport where flexible deck‑length adjustment is required, especially in wind power projects, bridge construction, infrastructure engineering, and large‑scale industrial haulage operations.
A Wind Blade Transport Trailer is used for wind power project sites, construction yards and long‑distance haul routes, transporting wind turbine blades, tower sections, nacelles. The extendable frame can be stretched to match the ultra‑long blade length.
A bridge‑beam transport trailer or general‑purpose extendable semi‑trailer is applied to civil engineering sites and infrastructure construction yards, transporting long‑span beams, heavy‑duty steel profiles, boom sections and pre‑cast building modules.
The steel pipe transport trailer is designed for pipeline construction projects and infrastructure sites, it is capable of transporting not only extra-long steel pipes but also steel beams, and hollow sections. Its adjustable telescopic deck accommodates steel materials of different lengths.
An extendable semi‑trailer is applied to railway construction sites and special‑equipment yards, transporting long rail segments, large special‑purpose vehicles and other over‑length industrial equipment. The adjustable telescopic deck accommodates various oversized special‑purpose cargoes.
Tell us about your cargo types, operating conditions, and preferred specifications. We’ll work with you to develop an extendable trailer that matches your transport requirements.
What customers say about their experience working with us on extendible semi trailer projects, from product quality and manufacturing details to communication, order process, and overall cooperation throughout the purchasing process.
We believe that a transparent production process is the key to winning customer trust. LionKar sincerely invites you to visit our factory and experience the production environment and quality of the finished products of our extendable semi-trailers.
Sinotruk HOWO TX
Shacman F3000
Shacman X5000
Sinotruk HOWO T7H
Before shipment, every extendable semi trailer undergoes comprehensive strict factory inspection to guarantee stable performance and qualified quality. The full inspection scope covers telescopic stretching and retracting system operation, hydraulic system functionality, frame structure and welding quality, braking system, axles and suspension assembly, tire condition, complete electrical systems, as well as core overall and telescopic dimension accuracy. Trailers can be shipped to Africa by Ro-Ro, bulk vessel, container, or flat rack, with anti-rust protection and secure fastening. Typical transit times are about 25–35 days to East Africa, 25–40 days to Southern Africa, and 35–50 days to West Africa, depending on port and vessel schedule.
The following covers common questions most customers have when purchasing retractable trailers, highlighting answers to key topics including unpaved‑road performance, cost, spare parts, regulations and load capacity.
The typical reference price for an extendable semi-trailer ranges from approximately $12,000 to $20,000; the final quote should be determined based on your cargo type, required load capacity, operating conditions, vehicle configuration, and the destination port.
The extension & retraction is driven by hydraulic power. Mechanical lock pins are used for secure locking after adjusting the deck length. Hydraulic system provides smooth sliding; mechanical pins lock the frame firmly to guarantee safety during heavy‑duty driving.
Yes. We can customize the retracted overall dimension to match your country’s road length & width legal limits. We will confirm local traffic regulations before production to avoid legal issues for your operation.
Yes. The telescopic deck length can be customized according to your longest cargo. We will design the minimum retracted length and maximum extended length to fit your over‑length goods.
Choose leaf‑spring suspension if you operate on unpaved/rural roads, pursue lower cost and easy local repair. Choose air suspension for better cargo protection and smooth ride on good paved roads. For most African heavy‑haul operations, leaf‑spring is the more practical choice.
Steering axles are recommended when you have long‑size cargo, tight turning spaces or multi‑axle heavy‑load trailers. It reduces tire wear and improves maneuverability. For simple short‑haul transport, standard fixed axles are enough to cut cost.
Yes, chassis reinforcement is available for African rough road conditions. We strengthen main frame, cross beams and suspension mounting points to cope with bumpy rural dirt and unpaved roads.
We use globally common standard components for our trailers. We can supply full‑set spare parts for you. You can keep a small stock of critical wearing parts for emergency repair.
Buy directly from Lionkar for custom-built trailers and better control over your sourcing costs.
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