Painted Coating 25-40t Parts 89mm Semi - Trailer King Pin Semi - Trailer Tranction Kingpins

• Customization: Available
• Diameter: 2-3.5
• Loading Weight: 25-40t
• Material: Steel
• Ssurface Treatment: Painted Coating
• Suspension Type: Mechanical/Air Suspension
• Certification: CCC
• Condition: New
• Type: Suspension
• Customized Service: OEM/ODM
• Axle Number: 2/3/4 Axles
• Tire Number: 12/16/20
• Production: 5000 Unit/Units Per Year
• Transport Package: Transport Package: Box
• Specification: suit
• Trademark: LUXI
• Origin: China
• HS Code: 8716900000
• Production Capacity: 5000pieces/Year

Product Description

Fuyuan Factory High - Performance Wheel Hubs

Our Fuyuan Factory - produced high - performance trailer kingpins are engineered for durability, reliability, and perfect compatibility in semi - trailer operations across transportation, logistics, and heavy - duty cargo projects.
Crafted with advanced manufacturing technology and high - grade steel materials, these kingpins ensure superior load - bearing capacity, stable connection, and long - term service life. Suitable for various semi - trailer models, they deliver exceptional performance in different road conditions and transportation demands, whether it's long - haul freight or heavy - duty cargo transport.

Specification

Applications

Heavy - duty Transportation:Long - haul freight, intercity cargo delivery, container transport. Our trailer kingpins provide a solid connection for semi - trailers, ensuring stable load transfer during extensive mileage and heavy cargo hauls.
Logistics & Distribution:Warehouse loading/unloading, fleet operations, last - mile delivery support. In busy logistics workflows, these kingpins enable quick and reliable trailer hitching/unhitching, streamlining loading processes in warehouses.
Specialized Hauling:Heavy machinery transport, construction material delivery, mining equipment relocation. When moving heavy and oversized loads like construction cranes or mining drills, the robust structure of our kingpins maintains trailer - tractor integrity.
Engineering Support:Trailer - based mobile workshop operations, on - site project material supply. 
Maritime & Port:Cargo terminal transfer, ship - to - shore container hauling. In port environments with frequent trailer movements, these kingpins withstand corrosion from saltwater and constant use, ensuring efficient container transfers between ships, terminals, and storage areas.

Key Configurations

Material & Structure:High - grade alloy steel forged for maximum load - bearing 40 tons. Precision - machined to ensure alignment and durability. 
Bearing System:Premium sealed bearings with low - friction design for smooth rotation and extended maintenance intervals. 
Mounting Interface:Custom - fit bolt patterns for seamless trailer integration. Designed to match standard and custom trailer designs.
Surface Treatment:Anti - corrosion powder coating + galvanized finish for all - weather resistance (salt, humidity, extreme temperatures). 

Compatibility:Sensor - ready design for integration with tire pressure monitoring systems (TPMS) and fleet management platforms. 

LUXI Brand King Pin Product Parameters

(Custom configurations available upon request.)

Drawings & Dimensions

 Our engineering team can provide tailored designs to meet specific project requirements.

Company Profile

Shandong Fuyuan Special Purpose Vehicle Manufacturing Co., Ltd.

Established in 2011, our factory is a professional semi - trailer and special - purpose vehicle manufacturer approved by the Ministry of Industry and Information Technology. We specialize in researching, developing, selling, and servicing semi - trailers, used trucks, construction machinery, and trailer parts. Located in Liangshan County, Jining City, with convenient transport, our factory covers over 60,000 square meters.

We boast advanced production equipment and complete testing facilities. Our products have passed acceptance by the National Certification and Accreditation Administration Committee, earning mandatory CCC certification. Their performance meets or exceeds domestic and international standards for similar products. With strict quality control and attentive customer service, our experienced staff can address your needs for satisfaction. We've also obtained CCC, ISO, OTTC, ECE, and WMI certifications. Our products sell well across China and are exported to Russia, Tanzania, Kazakhstan, Kyrgyzstan, Vietnam, etc. We accept OEM and ODM orders. Whether choosing from our catalog or needing engineering help, contact our customer service.

With a flexible business model, good corporate reputation, and quality after - sales service, we warmly welcome people from all walks of life to cooperate for a better future.

Why Choose Us?

Other Products

OEM/ODM Expertise:Custom semi - trailer & parts design/production, meeting unique specs.
Cost - Effective Solutions:Competitive pricing + bulk order discounts for value.
Efficient Logistics:Fast shipping (domestic & export) + customs clearance support.
Turnkey Project Capability:End - to - end solutions from design to after - sales for trailers.

Semi - Trailers:Heavy - duty, special - purpose models for transport/logistics.
Trailer Parts:Kingpins, suspensions, etc., high - quality for trailer systems.
Used Trucks:Well - inspected, second - hand trucks for cost - saving operations.
Construction Machinery Accessories

FAQ

Q1: What core products does your factory offer?
A: We specialize in semi - trailers, special - purpose vehicles, trailer parts (e.g., kingpins), used trucks, and related construction machinery accessories. All products meet national/international standards (CCC, ISO, ECE OTTC certified).

Q2: Do you accept OEM/ODM orders?
A:  We support custom design & production for semi - trailers, parts, and special - purpose vehicles. 

Q3: What's your MOQ (Minimum Order Quantity)?
A: For standard products (e.g., trailer parts), MOQ is 1 unit for trial orders. For bulk semi - trailer/ODM projects, we discuss based on your needs — flexible to support small businesses and large fleets.

Q4: What certifications do your products have?
A: National & international certifications include CCC, ISO, ECE, OTTC, WMI. Our semi - trailers and parts (like kingpins) meet China's mandatory standards and pass overseas market audits (e.g., ECE for Europe).

Q5: How long is your lead time for orders?
A: For standard parts (e.g., kingpins): 7–15 days. For semi - trailers/ODM projects: 30–45 days (depends on customization complexity). Rush orders available with priority production.

Q6: Do you handle shipping and customs clearance?
A:  We offer door - to - door service: Arrange sea/air freight, prepare customs docs. Exported to 50+ countries — smooth delivery guaranteed.

Q7: Can you help with spare parts replacement long - term?
A: Yes! We keep a spare parts inventory and offer lifelong supply support. 

Q8: Do you sell used trunks, tractors, or semi - trailers? What's their condition?
A: We offer inspected used trailers — fully tested (brakes, frame, axles) and refurbished.