Trailer Parts

Why Choose Us?
 
 

Chengda: Your Professional Trailer Parts Manufacturer & Supplier

Established in 2005, Chengda Group is a leading manufacturer and supplier of high-quality trailer parts, with 18 years of export experience and long-term, stable partnerships with top truck and trailer brands such as Sinotruk, Shacman, FAW, Dongfeng, and Foton. Our factory is equipped with high-standard automated production equipment, a professional R&D team, and a strict quality control system, enabling us to deliver one-stop trailer parts solutions covering all core components for various trailers.

 

Advanced Equipment & Technology

80% of our production lines are automated, adopting precision machining and roll-wrapped processes. This ensures consistent quality and high efficiency for all trailer parts, meeting international manufacturing standards and adapting to heavy-duty production demands.

 
 

Technical Support & Customization

We provide professional engineering support and full customization for trailer parts. Our R&D team develops parts to meet customer needs (specifications, brands, application scenarios), with detailed technical guides and remote support for easy installation and use.

 
 

Wide Compatibility & Application

Our parts fit major trailer types (flatbed, dump, container chassis, tanker) and brands (Sinotruk, Shacman, etc.). Widely used in logistics, construction, mining, and port transport, suitable for harsh road conditions across global markets.

 
 

Premium Materials & Durability

We use high-strength steel, wear-resistant alloys, and composite materials for trailer parts. Key components undergo anti-corrosion and heat treatment, ensuring long service life, low maintenance costs, and compliance with international safety standards.

 
 

 

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Types of Trailer Parts
 

We offer a complete range of trailer parts, covering all functional systems of various trailers, with clear classification and full compatibility:

01/

Structural Parts (Trailer Frame Components)

  • Frame Beams & Cross Members: High-strength Q355B steel, processed by CNC cutting and robotic welding, used for trailer frame assembly, with strong load-bearing capacity and deformation resistance, suitable for all types of heavy-duty trailers.
  • Trailer Tongue & Coupler: Connecting components between the trailer and tractor, including fifth wheel (for semi-trailers), ball coupler, and gooseneck coupler, with reliable locking performance to ensure safe towing during long-distance transportation.
  • Trailer Floor & Side Rails: Steel or aluminum floor panels, anti-slip design, used for carrying cargo; side rails and stake pockets for fixing cargo, suitable for flatbed, dump, and container trailers.
  • Landing Gear (Support Legs): Manual or electric landing gear, used for supporting the trailer when unhitched, with stable load-bearing, easy operation, and corrosion resistance, available in single-speed and two-speed models.
02/

Running System Parts

  • Axles & Axle Components: FUWA, BPW, and other international brand axles, including single axle, tandem axle, and tri-axle, with precision-machined spindles and bearings, strong load-bearing capacity, and long service life; matching axle hubs, wheel rims, and wheel studs.
  • Suspension System Parts: Mechanical suspension (leaf spring), air suspension, and heavy-duty suspension components, including leaf springs, shock absorbers, suspension hangers, and bushings, absorbing road shocks and ensuring stable trailer operation on harsh roads.
  • Tires & Wheels: 11R22.5, 12R22.5, 385/65R22.5, and other standard sizes, high-quality steel wire tires with wear resistance and puncture resistance; matching steel or aluminum wheel rims, suitable for different load and road conditions.
03/

Braking System Parts

  • Brake Assemblies: Drum brakes, disc brakes, and ABS brake assemblies, compatible with various trailer models, with sensitive braking performance and strong heat dissipation, ensuring driving safety.
  • Brake Components: Brake linings, brake drums, brake pads, brake cylinders, and brake hoses, made of high-temperature-resistant and wear-resistant materials, are easy to replace and maintain.
  • Brake Controllers & Valves: Air brake valves, manual brake valves, and ABS controllers, regulating braking force to avoid brake failure, meeting international safety standards.
04/

Electrical System Parts

  • Lighting Components: LED tail lights, brake lights, turn signals, clearance lights, fog lights, and license plate lights, energy-saving, bright, and durable, with a waterproof design, ensuring visibility during night and bad weather transportation.
  • Wiring Harness & Connectors: High-temperature resistant, waterproof wiring harnesses, connectors, and plugs, connecting all electrical components, ensuring stable signal transmission and avoiding short circuits.
  • Batteries & Charging Components: Trailer batteries, charging regulators, and wiring accessories, providing power for electrical systems, suitable for long-term outdoor operation.
05/

Special Functional Parts

  • Dump Trailer Parts: Hydraulic cylinders, hydraulic pumps, control valves, and lifting mechanisms, used for dump trailer lifting and unloading, with a strong lifting force and stable performance.
  • Tanker Trailer Parts: Anti-explosion valves, oil delivery hoses, level gauges, and sealing gaskets, anti-leakage and anti-explosion design, suitable for fuel and chemical tanker trailers.
  • Container Trailer Parts: Container locks, twist locks, and locking pins, used for fixing containers, ensuring stable transportation of 20ft, 40ft, and 45ft containers.
  • Maintenance & Accessory Parts: Grease, bearings, bolts, nuts, mudguards, fenders, and tool kits, providing comprehensive maintenance solutions for trailers.
 

 

 
 
Features of semi-trailer parts

Our trailer parts are engineered with high standards, combining precision processing, high-quality materials, and strict testing, with the following core features: 

High-Quality Raw Materials

Adopt high-strength steel, wear-resistant alloys, high-temperature resistant rubber, and other premium materials, strictly selected through raw material inspection to ensure durability and service life, laying a solid foundation for product quality.

Precision Processing Technology

Equipped with CNC cutting machines, robotic welding equipment, precision lathes, and other advanced equipment, ensuring dimensional accuracy and processing quality of parts, with high compatibility and easy installation.

Strong Compatibility

Compatible with mainstream trailer types (flatbed, low bed, dump, tanker), meeting the needs of new trailer assembly and old trailer replacement.

Durable & Wear-Resistant

Key parts (axles, brake linings, leaf springs) undergo heat treatment, anti-corrosion treatment, and wear-resistant processing, adapting to harsh road conditions in Africa, the Middle East, Southeast Asia, and other regions, reducing maintenance frequency.

Safe & Reliable

Braking parts, connecting parts, and electrical parts are tested strictly to ensure compliance with international safety standards, avoiding safety hazards caused by part failure during transportation.

Cost-Effective

Factory direct sales, no middlemen, reasonable price; long service life and low maintenance cost, helping customers reduce operational costs.

Easy Maintenance & Replacement

Standardized design, simple structure, easy to disassemble and replace, with complete replacement parts available, reducing trailer downtime.

 

FAQ

 

 

Q1: What trailer brands are your parts compatible with?

A: Our trailer parts are fully compatible with mainstream Chinese and international trailer brands, including SINOTRUK, SHACMAN, FAW, Dongfeng, Foton, as well as FUWA and BPW axle brands, ensuring direct replacement and installation.

Q2: Can you provide customized trailer parts according to my drawings or samples?

A: Yes. We support OEM/ODM customization and can develop and produce parts according to your drawings, samples, specifications, trailer models, and application needs, and provide professional technical guidance.

Q3: What is the quality guarantee period for your semi-trailer parts?

A: We provide a 6–12 month quality guarantee period for different parts (axles: 12 months, brake parts: 8 months, electrical parts: 6 months). During the guarantee period, we provide free replacement for unqualified parts caused by manufacturing defects.

Q4: What is the delivery time for trailer parts?

A: For regular standard parts, the delivery time is 3–7 working days; for customized parts and bulk orders, the delivery time is 10–20 working days, which can be adjusted according to order quantity.

Q5: Do you provide technical support for installation and use?

A: Yes. We provide English operation manuals, installation guides, and video technical guidance for all parts. Our professional engineers can also answer your installation and use questions via phone or video.

Q6: Do you accept small orders (a small number of parts)?

A: Yes. We accept small orders of any quantity, whether it is a single part or a small batch of parts. We provide the same quality control and service, and ensure timely delivery.

Q7: What shipping methods do you provide for trailer parts?

A: We provide flexible shipping methods: express delivery (for small orders), air shipping (for urgent orders), and sea shipping (for bulk orders), and can also arrange CKD/SKD packaging according to customer needs to reduce logistics costs.

Q8: Do you provide spare parts for old trailers?

A: Yes. We can provide replacement parts for old trailers of various models, and can also customize parts according to the old parts’ samples or specifications, solving the problem of difficult replacement of old trailer parts.

Q9: What payment terms do you support?

A: We support flexible payment terms: T/T (30% deposit, 70% balance before shipment), L/C at sight for large orders, and Western Union for small orders, and can negotiate other terms according to your needs.

Q10: How to ensure the quality of customized parts?

A: After confirming your customization requirements, we will design drawings and confirm with you first. During production, we conduct multiple inspections (processing accuracy, material quality, performance testing) and send you inspection reports. After production, we conduct a final inspection to ensure the customized parts meet your expectations.

 

As one of the most professional trailer parts manufacturers in China, we warmly welcome you to buy quality trailer parts for sale at good price here. All products offered in our factory enjoy one year warranty.