The 7 Best Trailer Locks (2025)
The best trailer lock in Canada is the AMPLock Flat Lip Design BRP-2, a heavy-duty ball coupler lock engineered for maximum theft deterrence and long-term durability in Canadian conditions. That said, depending on your trailer type, budget, and installation preferences, several other high-quality options are also worth considering.
In this guide, we review the 7 best trailer locks available in Canada, highlighting their key advantages, drawbacks, and ideal use cases.
1. Flat Lip Design BRP-2 Trailer Lock
Brand: AMPLock
Type: Ball coupler lock
What People Like
✅ Heavy-duty materials: Manufactured from ductile cast iron and stainless steel, this ball coupler lock offers excellent resistance to cutting, drilling, impact, and torch attacks.
✅ Precision fit: Custom-moulded for 2″ flat-lip couplers, ensuring a tight, wobble-free fit.
✅ High-security locking mechanism: Patented rotating disc-style core with millions of possible key combinations, designed to resist picking and drilling.
✅ Built for Canadian weather: E-coat/electrostatic finish and a sealed lock cylinder help protect against corrosion, road salt, rain, and freezing temperatures.
✅ Tool-free installation: Simple push-and-lock operation for quick installation.
✅ Strong visual and physical deterrent: Weighs approximately 10 lb and includes a swivel shield to resist leverage and towing attempts.
✅ North American made: Supported by a 5-year warranty, 30-day returns, and a strong reputation with over 250,000 customers across Canada and the U.S.
2. Trailer Door Lock & Containers PDC
Brand: AMPLock
Type: Trailer door lock
What People Like
✅ Robust construction: Cast iron and steel design offers strong resistance to cutting, drilling, and impact.
✅ Custom-fit coverage: Fully encloses and secures the door latch for a snug, no-movement fit.
✅ High-security disc tumbler: Disc-style locking core provides millions of key combinations and strong protection against picking.
✅ Weather-resistant finish: E-coat protection and sealed cylinder help prevent rust in harsh Canadian environments.
✅ Quick installation: High quality trailer lock with a push-and-lock design requires no tools to secure.
✅ Keyed-alike option available: Ideal for fleets or multiple trailers.
✅ Strong warranty and support: Backed by a 5-year warranty, 30-day returns, and North American customer support.
3. TLS-2 Ball Coupler Lock for Standard Trailers
Brand: AMPLock
Type: Ball coupler lock
What People Like
✅ Durable materials: Ductile cast iron and stainless steel construction withstand cutting, drilling, and heavy impact.
✅ Precision fit: Designed specifically for 2″ flat-lip couplers with zero wobble.
✅ Advanced disc-style core: Patented rotating disc mechanism resists picking and drilling.
✅ Weather protection: E-coat finish and sealed internals hold up well in rain, snow, and road salt.
✅ Easy installation: Tool-free push-and-lock system.
✅ Effective deterrent: Weighs about 4.5 lb and positions the lock cylinder in a hard-to-access location.
✅ Proven track record: Widely used across North America with strong customer feedback.
4. No Lip Design BRA-2 Trailer Lock
Brand: AMPLock
Type: Ball coupler lock
Pro
✅ Designed for no-lip couplers: Custom-moulded to fit 2″ and 2-5/16″ lipless couplers securely.
✅ Extremely durable: Heavy-duty ductile cast iron and stainless steel construction; weighs approximately 12 lb.
✅ High-security disc tumbler core: Nearly one million unique key combinations for enhanced protection.
✅ All-weather protection: E-coat finish and sealed internals resist rust and freezing temperatures.
✅ Simple installation: Push-and-lock design requires no tools.
✅ North American support: Free shipping in Canada and the U.S., 5-year warranty, and 30-day returns.
5. Titan Weld-On Design BRHT-2516 Trailer Lock
Brand: AMPLock
Type: Ball coupler lock
What People Like
✅ Made for Titan weld-on couplers: Custom-fitted for 2-5/16″ Titan weld-on designs.
✅ Extremely rugged: Ductile cast iron and stainless steel construction resists cutting, impact, torches, and extreme cold.
✅ Patented disc lock mechanism: Rotating disc tumbler with millions of key combinations.
✅ Weatherproof finish: E-coat protection guards against corrosion and freezing.
✅ Quick installation: Tool-free push-and-lock operation.
✅ Excellent warranty: Includes free shipping across North America, a 5-year warranty, and 30-day returns.
6. Model 2178 Trailer Lock
Brand: Proven Industries
Type: Coupler lock
What People Like
✅ Versatile fitment: Designed to fit many common 2″ coupler styles and secures safety chains inside the lock.
✅ Premium materials: CNC-machined 6061 aluminum or optional solid 303 stainless steel with hardened steel components.
✅ Cobra 7 high-security core: Patented 7-pin tubular lock, resistant to picking and key duplication.
✅ Made in the USA: Family-owned manufacturer with responsive customer support.
✅ User-friendly: Easy to install and remove, with low maintenance requirements.
7. Curt-Style Coupler Lock
Brand: Ft. Knox
Type: Coupler lock
What People Like
✅ Heavy-duty steel construction: Cold-rolled steel resists bolt cutters, pry bars, and harmer attacks.
✅ Integrated puck lock: Concealed shackle and downward-facing keyway enhance security.
✅ Strong visual deterrent: Bright yellow finish discourages opportunistic theft.
✅ Safety chain storage: Keeps chains secured inside the lock housing.
✅ Positive owner feedback: Commonly described as sturdy and effective for everyday use.
What Are the Different Trailer Locks?
Coupler Locks
Coupler locks offer excellent protection by securing the front of your trailer where it connects to your vehicle's hitch ball. These devices prevent unauthorized hitching by covering or locking the coupler mechanism. Many universal coupler options fit various trailer types, making them versatile security solutions.
Installing a coupler lock typically takes just minutes. Simply place the lock over your trailer coupler, insert the locking mechanism, and secure with a key. The best coupler locks feature hardened materials that resist cutting or tampering attempts.
We recommend looking for models with weather-resistant coatings to protect against rust and corrosion. You might appreciate designs that allow for quick installation while providing maximum security for your trailer investment.
Wheel Locks
Wheel locks attach directly to your trailer's wheels, making movement impossible without removal. These heavy-duty devices cover a substantial portion of the wheel, preventing rotation and deterring theft attempts.
Most wheel locks use hardened steel construction that resists cutting tools and provides visible security that makes thieves think twice. You can find multiple size options to fit various wheel dimensions on different trailer types.
The visual impact of a bright wheel lock serves as an immediate deterrent. Potential thieves typically avoid trailers with wheel locks because removal requires time, special tools, and creates unwanted attention. For maximum security, consider using wheel locks on multiple wheels simultaneously.
Trailer Door Locks
Door locks specifically designed for trailers provide cargo protection by securing access points. Many premium options feature stainless steel construction for durability and resistance to weather conditions. These locks come in various styles to match different trailer door configurations.
You can choose between interior mounting options that hide the locking mechanism or exterior models that display security presence. Both types offer strong protection against unauthorized access to your valuable cargo.
The right trailer door lock product will save you time while providing peace of mind. We suggest selecting locks that offer key-alike options if you own multiple trailers, allowing convenient use with a single key across your fleet.
Hitch Pin Locks
Hitch pin locks replace standard pins in your receiver hitch with lockable versions that prevent trailer disconnection. These devices feature a locking mechanism that ensures the pin cannot be removed without the proper key.
Most designs offer universal sizing to fit common receiver hitch dimensions including 1.25" and 2" receivers. The locking pins slide through your hitch receiver just like standard pins but add security through their locking capability.
You'll find great options with weather-resistant coatings that prevent rust. Some advanced models include dust covers to protect the lock cylinder and ensure smooth operation over time. Hitch pin locks provide an affordable yet effective layer of security for your towing setup.
Fifth-Wheel Locks
Fifth-wheel locks create a secure barrier by clamping onto the kingpin of your fifth-wheel trailer. These specialized devices prevent unauthorized coupling with a towing vehicle by blocking access to the connection point.
Many universal fifth-wheel locks accommodate various kingpin sizes, making them versatile across different trailer models. The hardened steel construction resists cutting attempts and provides lasting security.
You should mount these locks whenever your trailer remains unhitched. New fifth-wheel lock designs offer improved weather resistance and easier installation compared to older models. Always check compatibility with your specific kingpin dimensions before purchasing to guarantee proper fit and maximum security.
Buy Your Next Trailer Locks With AMPLock Today
Looking for reliable security solutions for your trailer? AMPLock offers top-quality trailer locks that will keep your valuable assets safe from theft and tampering. Our products combine durability with innovative design features that make them stand out in the market.
We understand how much your trailer means to you. Whether you use it for business or leisure, protecting it should be a priority. That's why our team has developed a range of locking systems specifically created for different trailer types and security needs.
Canadian trailer owners trust our products because they're built to withstand harsh weather conditions while maintaining smooth operation year-round. The heavy-duty materials resist cutting, drilling, and picking attempts, giving you peace of mind wherever you park.
Shopping with AMPLock gives you access to expert advice from our customer service representatives who can help identify the perfect security solution for your specific trailer model. You'll find our ordering process straightforward and our shipping prompt.
Your trailer deserves the best protection available. Check out our complete selection of trailer locks today and experience why so many Canadians choose AMPLock for their security needs.
Frequently Asked Questions About Trailer Locks
How Do I Choose the Right Lock Type for My Trailer?
Selecting a proper lock for your trailer requires careful consideration of several options available on the market. Coupler locks fit directly over the trailer hitch coupler, blocking unauthorized connection attempts and serving as visible theft deterrents.
Hitch locks secure the trailer to your vehicle by locking the hitch mechanism itself, making detachment difficult without the key. Wheel locks, similar to those used on cars, prevent the trailer from being towed away by immobilizing one or more wheels.
Your choice should depend on your trailer's size, weight, and typical storage location: heavier trailers might benefit from hardened steel locks, while smaller units could use aluminum options with strong cores. We recommend looking at the lock's material quality, key mechanism security, and weather resistance to match your specific needs.
Can a Wheel Lock Alone Prevent Theft?
Wheel locks provide good basic protection but shouldn't be your only security measure. These devices effectively stop thieves from rolling your trailer away quickly, creating a significant obstacle that many opportunistic criminals will avoid. However, determined thieves might bring tools to cut through or bypass a single wheel lock if given enough time.
For complete security, you should consider implementing a layered approach that combines different lock types. Adding a coupler lock alongside your wheel lock creates two separate challenges a thief must overcome, dramatically increasing the time and effort required for theft. We've found that multiple security layers often convince potential thieves to look for easier targets elsewhere.
How Often Should I Inspect and Replace My Lock?
You should check your trailer locks at least every three months or before any major trip to maintain proper security levels. Look for signs that indicate potential failure: rust forming around key mechanisms, stiffness when turning keys, visible damage to the lock body, or excessive movement in parts that should remain fixed. Exposure to harsh weather conditions might accelerate wear, especially with locks regularly used in coastal areas or during winter months with road salt.
Any lock showing these warning signals needs replacement immediately, not next week or next month. We believe investing in new locks costs far less than replacing a stolen trailer, making regular maintenance checks a small but crucial part of trailer ownership.
