Overview
With over two decades of experience, Yuefong is a professional lock manufacturer boasting strong R&D and production capabilities to deliver exceptional OEM and ODM solutions for your smart trailer lock needs.
This highly adaptable 5th wheel lock is engineered to be compatible with multiple trailer couplers and features a multi-position adjustable design for a perfect fit.
Built with a robust alloy steel structure, our durable anti-theft trailer lock provides outstanding resistance against tampering and forced entry.
Security is further enhanced by an intelligent built-in microchip, allowing this trailer coupler lock to trigger an ear-piercing 130dB alarm to scare off intruders.
Combining an easy installation process with low power consumption for extended standby time, this heavy-duty trailer lock offers reliable and hassle-free towing protection.
At a Glance
- Compatible with multiple trailer couplers
- 130dB alarm for enhanced security
- Constructed from durable aluminum alloy
- Easy installation & low power consumption
- Applicable for various trailers
Specifications
| Specification | Detail |
|---|---|
| Material | Aluminum Alloy |
| Unlocking Mode | Key |
| Color | Gray |
| Shackle Diameter | 13mm |
| Tensile Strength | Grade 3 |
| Power Supply | 6 pcs LR44 button batteries |
| Total Height | 138.5mm |
| Total Width | 152mm |
| Base Height | 40mm |
| Applicable occasions | Flat-bed cargo trailers, recreational vehicles, engineering equipment trailers, yachts, speedboat trailers, etc. |
Factory Video
Product Details




Manufacturer Advantage
Zhongshan Yue-fong Mai’s Manufacture Co., Ltd. — a true source factory for B2B smart locks and high-security padlocks (not a trading company).
FAQ
What material is the lock made of?
The lock is made from a durable aluminum alloy, offering robust resistance against tampering.
What is the unlocking method for the lock?
The lock utilizes a key-based unlocking method, ensuring secure access.
How is the lock powered?
The lock is powered by 6 LR44 button batteries, providing extended operation time with low power consumption.
Can Yuefong provide OEM/ODM services for this lock?
Yes, Yuefong offers comprehensive OEM and ODM solutions tailored to your security lock needs.
What are the applicable certifications for this lock?
Yuefong ensures all manufacturing meets high industry standards; specific certifications can be provided upon request during procurement.







