Changzai 2 inch & 3.5 inch Lock Trailer King Pin
High-Quality Replacement Part for Semi Trailers
Product Overview
This robust trailer king pin is an essential component for connecting a semi-trailer to the fifth wheel of a tractor unit. Available in both 2-inch and 3.5-inch sizes, it is designed for durability and reliable performance under heavy payloads. Manufactured from high-strength steel, this king pin ensures a secure lock, contributing to the overall safety and stability of heavy-duty transportation.
- Brand: Changzai
- Type: Steering Wheel / King Pin
- Material: Steel
- Application: For Semi Trailer
- Max Payload: 28T
- Place of Origin: Shandong, China
- Supplier: Qingdao Jasmine International Trade Co., Ltd.
Product Usage & Applications
The primary function of the king pin is to securely attach the trailer to the tractor's fifth wheel coupling, forming a pivotal connection that allows for articulation during turns. This component is critical for the safe operation of articulated trucks. It is specifically used in the following scenarios:
- Heavy-Haul Logistics: Essential for transporting heavy cargo over long distances, ensuring the trailer remains firmly connected to the truck.
- Construction and Mining: Withstands the harsh conditions of off-road and construction site operations, providing reliable performance where equipment durability is paramount.
- Freight and Container Transport: A vital part of the intermodal transport chain, securing container trailers during transit.
- Maintenance and Repair: Used as a direct replacement part for worn or damaged king pins in trailer maintenance and repair shops.
Purchasing Information
This product is available for wholesale and bulk purchase directly from the manufacturer and trading company. Key purchasing details include:
- Pricing: The price varies depending on the order quantity and specific model. It is recommended to contact the supplier for a precise quotation.
- Minimum Order Quantity (MOQ): Information on MOQ can be obtained by contacting Qingdao Jasmine International Trade Co., Ltd.
- Payment Methods: The supplier accepts various payment methods, including Telegraphic Transfer (TT), Western Union, and PayPal, facilitating convenient international transactions.
- Delivery Time: Orders are typically processed and delivered within 7 to 15 days, ensuring a relatively quick turnaround.
- Port of Shipment: The primary port of dispatch is Qingdao, a major logistics hub in China.
- Packaging: The product is securely packed on pallets to prevent damage during transit.
Product Quality & Certifications
The Changzai Trailer King Pin is manufactured to meet high-quality standards, ensuring reliability and safety in demanding applications.
- Certification: The product is certified under the ISO 9001 quality management system, which guarantees consistent quality in design, production, and service.
- Material Quality: Made from high-grade steel, the king pin is built to endure significant stress and resist wear and tear.
- Supplier Reputation: Qingdao Jasmine International Trade Co., Ltd. is a verified and experienced supplier with a strong track record in the industry, as evidenced by their high store rating of 4.7 based on 47 reviews.
After-Sales Service & Support
Customers can expect comprehensive after-sales support, which is crucial for business-to-business transactions involving industrial machinery parts.
- Order Protection: The platform (ajfpt.com) offers protection services from payment to delivery, ensuring a secure transaction.
- Dispute Resolution: A structured process is in place for handling disputes, including the option to open a dispute through the platform's help center.
- Supplier Support: As a dedicated supplier, Qingdao Jasmine International Trade Co., Ltd. is expected to provide support regarding product inquiries, order status, and any issues post-purchase.
- Return/Refund Policy: While specific terms should be confirmed with the supplier, the platform's money-back policy provides a baseline of consumer protection.
Common Search Keywords & Related Products
To find more information about this product and related items, consider using the following search terms. These keywords can help you discover alternative suppliers, compare prices, and learn more about the product category.
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Direct Search Terms:
- 2 inch king pin
- 3.5 inch king pin
- trailer king pin lock
- Changzai king pin
- semi trailer king pin
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Extended Search Terms:
- fifth wheel coupling
- trailer fifth wheel repair kits
- heavy truck trailer parts
- truck trailer spare parts
- trailer suspension system
- landing gear for trailer
- container twist lock
- trailer axle parts
Note: This product information is based on data provided by the supplier. Specifications are subject to change. It is advisable to contact Qingdao Jasmine International Trade Co., Ltd. for the most current and detailed information before placing an order.

















