EMark Certified Trailer Coupling Head Factory and Suppliers in China

Looking for reliable trailer coupling heads? As leading China suppliers and a professional factory, we provide E-Mark certified couplers for 40/50/60mm square and round drawbars with 800kg to 1400kg capacity. Secure locking for safe towing.

SupplierHaixing Hemco Auto Parts Co Ltdwww.chinaleafspring.com

View on supplier website More from this supplier

Source categories

Hot Products

About this product

Product information from the supplier.

Our E-Mark Certified Coupling Heads are engineered for maximum safety and stability, providing a high-strength locking solution for car trailers with GVW ratings of 750kg and 1400kg. Designed for seamless compatibility with standard 50mm tow balls, these couplers ensure a secure connection for a wide range of transport needs, from light utility to heavy-duty haulage.

Whether you are operating utility trailers, boat transporters, caravan setups, or specialized agricultural equipment, our coupling heads provide the reliability required for demanding environments. We support both standardized production and comprehensive custom manufacturing based on your specific technical drawings or physical samples to ensure a perfect fit for your drawbar configuration.

Detailed Parameters

Weight Capacity	750kgs to 1400kgs	Hitch Ball Size	Standard 50mm
Drawbar Fitment	40mm, 50mm, & 60mm	Tube Shape	Square and Round Options
Material	High-Strength Reinforced Steel	Thickness (THK)	2.5mm / 2.75mm / 4.0mm
Certification	E-Mark Certified	Installation	Weld-on or Bolt-on
Operating Mode	One-hand Positive Locking	Compatibility	EU, AU, and Asian Standards

Key Advantages

Heavy-Duty Build

Constructed from premium reinforced steel to ensure maximum durability and operational safety under load.

Rapid Engagement

Features a user-friendly locking mechanism designed for effortless one-hand operation.

Visual Safety

Equipped with a positive locking indicator to provide immediate visual confirmation of a secure hitch.

Versatile Fitting

Optimized for 40-60mm drawbars with flexible options for both square and round tube versions.

Custom Engineering

Full OEM support including reverse engineering from samples and bespoke dimension adjustments.

Rigorous Testing

Every unit undergoes salt spray corrosion tests, fatigue testing, and breaking strength verification.

Product Gallery

Management Platforms

OEM Production

Professional private labeling and branding options for wholesale distributors.

Custom Tooling

Specialized mold development based on customer drawings and technical requirements.

Quality Control

Strict verification of load capacity and safety locking mechanisms for every batch.

Logistics Sync

Optimized packaging (10pcs/carton) to reduce shipping costs and prevent transit damage.

Batch Scalability

Flexible production lines capable of handling small batches and high-volume orders.

Technical Support

Expert guidance on reverse engineering and surface finish selection for durability.

Investment Return Comparison

Feature Metric	Standard Market Couplers	Our Premium Coupling Head
Safety Rating	Basic Certification	E-Mark Certified
Build Quality	Standard Steel	Reinforced High-Strength Steel
Customization	Limited/Fixed	Full OEM & Sample-based Customization
Lifespan	Moderate Wear	Extended via Salt-Spray Tested Coating
Installation	Fixed Method	Flexible Weld-on/Bolt-on Options

Frequently Asked Questions

Q: What is the maximum load capacity for these coupling heads?

Our product range offers multiple capacities, including standard models for 750kg and 800kg, and heavy-duty versions (HDCH series) designed for up to 1400kg.

Q: Can I order a coupler based on a physical sample I already have?

Yes, we provide comprehensive reverse engineering services. You can send us your physical samples, and we will manufacture a coupling head that matches those exact dimensions and specifications.

Q: Do these coupling heads fit both round and square drawbars?

Absolutely. We offer versions for 40mm, 50mm, and 60mm drawbars. Item numbers ending with 'R' specifically denote the round tube fitting version.

Q: What safety certifications do your automotive trailer parts hold?

Our coupling heads are E-Mark certified, ensuring they meet stringent European safety and quality standards for automotive components.

Q: How is the corrosion resistance of the coupling head ensured?

Each unit undergoes a rigorous salt spray test to verify its corrosion resistance, making it ideal for boat trailers and agricultural equipment exposed to harsh elements.

Q: Are bolt kits available for installation, or is it weld-only?

We provide both options. Depending on your preference and drawbar type, you can choose weld-on installation or use our available bolt-on kits for easier mounting.