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Trailer Parts Fifth Wheel

Trailer Parts Fifth Wheel

The fifth wheel is the traction component used to tow the semi-trailer by the cargo tractor. It is mainly composed of a seat cover, mainly a saddle base and a locking mechanism. This device allows the semi-trailer to rotate around the center axis of the tractor within a certain range, thus improving the flexibility and stability of the vehicle.

Features

Product information

 

 

The fifth wheel is the traction component used to tow the semi-trailer by the cargo tractor. It is mainly composed of a seat cover, mainly a saddle base and a locking mechanism. This device allows the semi-trailer to rotate around the center axis of the tractor within a certain range, thus improving the flexibility and stability of the vehicle.

The main function of the fifth wheel is to connect and support the semi-trailer, while allowing it to undergo a certain degree of steering and swinging relative to the tractor to adapt to different road conditions and driving needs. This design helps to reduce friction in cornering and improve driving safety and efficiency.

 

Structural characteristics

 

Rotation: The fifth wheel has a rotation function, which can ensure that the semi-trailer maintains synchronization with the tractor during the driving process, and can maintain stability even in sharp turns or uneven roads.

 

Strong load carrying capacity: Due to the need to bear the full weight of the semi-trailer, the fifth wheel is usually made of high-strength materials, such as cast steel or alloy steel, to ensure its load carrying capacity and durability.

 

Standardization: In order to facilitate the connection between different brands and models of tractors and semi-trailers, the fifth wheel usually follows international or industry standardized designs, such as ISO standards.

 

The advantage of the fifth wheel

 

1. Improve flexibility and stability

Rotation function: The design of the fifth wheel allows the semi-trailer to rotate relative to the tractor within a certain range, and this flexibility allows the vehicle to be more smooth when turning, reducing the roll and swing caused by rigid connections, thereby improving the stability of the driving.

Adaptability: In the face of complex and changing road conditions, such as rugged mountain roads and frequent urban roads with bends, the rotation function of the fifth wheel can help the semi-trailer better adapt to changes in road conditions and reduce the damage to the cargo and the vehicle itself due to turbulence and shaking.

 

2. Strong carrying capacity

High-strength materials: In order to withstand the weight of the semi-trailer, the fifth wheel is usually made of high-strength materials, such as cast steel or alloy steel. These materials have good compressive, flexural and fatigue resistance, ensuring the stability and durability of the fifth round under heavy load conditions.

Standardized design: The design of the fifth wheel usually follows international or industry standardized requirements, ensuring the reliability of its carrying capacity and safety performance. The standardized design also helps to realize the interchangeability between different brands and models of tractors and semi-trailers, improving the efficiency and flexibility of logistics transportation.

 

3. Easy maintenance and maintenance

Regular inspection: Since the fifth wheel is the key connecting part between the semi-trailer and the tractor, its working state has an important impact on the overall performance and safety of the vehicle. By regularly checking the wear of the fifth wheel, rotation flexibility and fastener loosening and other problems, you can find and solve the problem in time to ensure the normal operation of the vehicle.

Cleaning and lubrication: Keeping the fifth wheel clean and lubricated is essential to reduce friction and wear. Regular cleaning and lubrication can reduce the wear rate of the fifth wheel and extend its service life, reducing maintenance costs.

 

4. Improve transportation efficiency

Reduced drag: Because the design of the fifth wheel can reduce the friction and resistance of the semi-trailer during the driving process (such as the additional resistance caused by the roll and swing when turning), it can improve the speed of the vehicle and reduce fuel consumption, thereby improving the transportation efficiency.

Fast loading and unloading: In some special application scenarios, the design of the fifth wheel can also be combined with the fast loading and unloading system to achieve fast loading and unloading and transfer of goods, further improving transportation efficiency.

 

 

Why choose us

The factory was established in 1997 and has a development history of more than 25 years. At present, a comprehensive enterprise integrating production, R&D and sales has been formed. We can produce the goods that customers need according to their different requirements, and will provide customers with more competitive prices while ensuring quality. At present, our company's products are sold well in more than 20 countries in Africa, Asia, and South America, and are deeply loved by customers and friends.

Leading technology

Independently developed fifth wheel heavy traction mechanism, using high-precision CNC machining technology, tolerance control within ±0.1mm, to ensure seamless matching with the trailer chassis.

Material upgrade, super durable

The core parts are made of special alloy steel, quenched + carburized, and the life is 3 times longer than that of ordinary materials. The surface anticorrosion adopts the double-layer process of hot-dip galvanizing + spray plastic, and the salt spray test exceeds 1000 hours without corrosion.

Safety design, double guarantee

Exclusive "double safety lock" mechanism (mechanical + hydraulic linkage) to prevent accidental decoupling during driving.

Equipped with intelligent sensors, real-time monitoring of load pressure, overload automatic warning

Strong adaptability, covering the whole scene

Support ISO 3849 standard, compatible with mainstream trailer brands. Available, multiple models can be selected for logistics, construction machinery, special transportation and other scenarios.

Manufacturers direct supply, cost advantage

Own production base, eliminating intermediate links, the price is lower than the market with the same specifications of products 10%-15%.

Support OEM/ODM customization, the fastest 7 days proofing, to meet customer differentiated needs.

After-sales worry-free, global response

3-year warranty (5 years for core components), technical support within 48 hours.

 

 

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