Nothing ruins a weekend getaway faster than realizing your trailer is gone. A good trailer hitch lock provides peace of mind, whether you’re parked at a campsite or just running errands in town. These locks deter theft, keeping your trailer secure and ready for your next adventure. I’ve seen firsthand how effective they can be, and after doing some research, I’ve rounded up some of the best options available.
Product Overview / Quick Summary
- CURT 58001 Adjustable Trailer Hitch Lock: Versatile, adjustable lock for various hitch sizes.
- Trimax UMAX100 Premium Universal Trailer Lock: Heavy-duty, fits most couplers, resists picking and drilling.
- Reese Towpower 7007300 Universal Interlock: Simple, effective protection against trailer theft.
- AMPLock BLTL-2 Trailer Coupler Lock: High-security, designed for specific coupler sizes, drill and pick resistant.
- Proven Locks Model 2715 Trailer Coupler Lock: Extreme security, virtually impenetrable, premium price.
Top 5 Best Trailer Hitch Locks
1. CURT 58001 Adjustable Trailer Hitch Lock
The CURT 58001 is a solid, adjustable trailer hitch lock designed to fit a range of hitch sizes. Its adjustability makes it a versatile option for those with multiple trailers or hitches. It offers good security at a reasonable price.
Pros:
- ✅ Adjustable to fit multiple coupler sizes
- ✅ Durable steel construction
- ✅ Easy to install and remove
Cons:
- ❌ Can be a bit bulky
- ❌ May require some adjustment to fit perfectly
- ❌ Not the highest level of security, but good for general deterrence
Verdict: A great all-around choice for those needing a versatile and adjustable trailer hitch lock. It’s a good balance of security and convenience.
2. Trimax UMAX100 Premium Universal Trailer Lock
The Trimax UMAX100 is built for heavy-duty security. It’s designed to fit most trailer couplers and resists picking and drilling, giving you enhanced protection against theft. This lock is a popular choice for its robust construction and ease of use.
Pros:
- ✅ Heavy-duty construction for maximum security
- ✅ Fits most 1-7/8″, 2″, and 2-5/16″ couplers
- ✅ Resists picking, drilling, and rust
Cons:
- ❌ Can be a bit pricey compared to other options
- ❌ May be overkill for lighter-duty trailers
- ❌ Some users have reported issues with the key mechanism over time
Verdict: Ideal for those who need a high level of security and are willing to pay a bit more for it. Great for protecting valuable trailers.
3. Reese Towpower 7007300 Universal Interlock
The Reese Towpower Universal Interlock is a simple, yet effective solution for preventing trailer theft. It works by blocking the coupler, making it impossible to attach to a tow vehicle. It’s a straightforward and reliable option.
Pros:
- ✅ Simple and easy to use
- ✅ Universal fit for most couplers
- ✅ Affordable price point
Cons:
- ❌ May not offer the highest level of security
- ❌ More susceptible to tampering compared to more robust locks
- ❌ Can be a bit fiddly to install on some couplers
Verdict: A good choice for those looking for an affordable and easy-to-use trailer lock. Best for low-risk situations where a simple deterrent is sufficient.
4. AMPLock BLTL-2 Trailer Coupler Lock
The AMPLock BLTL-2 is a high-security trailer coupler lock designed to provide maximum protection against theft. It’s specifically designed to fit certain coupler sizes and is highly resistant to drilling and picking. If you’re serious about security, this is a great option.
Pros:
- ✅ Extremely high security, drill and pick resistant
- ✅ Durable and corrosion-resistant construction
- ✅ Specifically designed for a tight, secure fit
Cons:
- ❌ More expensive than other options
- ❌ Requires knowing your exact coupler size for proper fit
- ❌ Can be a bit more complex to install and remove
Verdict: Best for those who need the highest level of security and are willing to invest in a premium lock. Ideal for high-value trailers or areas with high theft risk.
5. Proven Locks Model 2715 Trailer Coupler Lock
The Proven Locks Model 2715 is in a league of its own when it comes to trailer security. This lock is virtually impenetrable, offering extreme protection against theft. While it comes with a premium price tag, it provides unparalleled peace of mind.
Pros:
- ✅ Extreme security, virtually impossible to defeat
- ✅ Heavy-duty, robust construction
- ✅ Provides maximum deterrence against theft
Cons:
- ❌ Very expensive
- ❌ Can be heavy and bulky
- ❌ May be overkill for some users
Verdict: For those who want the absolute best security and are willing to pay for it, the Proven Locks Model 2715 is the ultimate choice. Ideal for protecting extremely valuable trailers.
Buying Guide
Choosing the right trailer hitch lock depends on several factors. Think about the value of your trailer, the level of security you need, and your budget. Here are some tips to help you make the right decision:
- Security Level: Determine how much security you really need. A simple coupler lock might be fine for a small utility trailer parked in a safe area. But for a valuable camper or boat trailer, consider a high-security lock that resists picking and drilling.
- Coupler Size: Make sure the lock fits your trailer’s coupler size. Many locks are adjustable, but some are designed for specific sizes. Measure your coupler before you buy.
- Material: Look for locks made from durable materials like hardened steel. These will resist cutting and other forms of tampering.
- Ease of Use: Consider how easy the lock is to install and remove. You don’t want to struggle with it every time you need to hitch or unhitch your trailer.
- Price: Trailer hitch locks range in price from affordable to very expensive. Set a budget and find a lock that offers the best security for your money.
- Reviews: Read reviews from other users to get an idea of the lock’s performance and reliability. Pay attention to any complaints about durability or ease of use.
FAQs
Q: How do I know what size trailer hitch lock to buy?
A: Measure the inside span of your trailer’s coupler. This measurement will determine the size of the lock you need. Many locks are adjustable, so you have some flexibility, but it’s best to get a lock that’s close to the right size.
Q: Are trailer hitch locks really effective?
A: Yes, they can be very effective at deterring theft. A determined thief can eventually bypass any lock, but a good lock will make it much harder and less appealing to steal your trailer. The best locks are made from hardened steel and resist picking, drilling, and cutting.
Q: Can I use a trailer hitch lock while towing?
A: No, trailer hitch locks are designed for use when the trailer is parked and unattended. Never use a trailer hitch lock while towing, as it could interfere with the hitching mechanism and create a safety hazard.
Q: What is the best material for a trailer hitch lock?
A: Hardened steel is the best material for a trailer hitch lock. It’s strong, durable, and resists cutting and drilling. Look for locks that are also corrosion-resistant, especially if you live in an area with harsh weather conditions.
Q: How often should I maintain my trailer hitch lock?
A: It’s a good idea to lubricate your trailer hitch lock regularly, especially if you live in an area with harsh weather conditions. Use a silicone-based lubricant to keep the locking mechanism working smoothly. Also, inspect the lock regularly for any signs of damage or corrosion.
Conclusion
Choosing the right trailer hitch lock is an investment in peace of mind. Whether you opt for the versatility of the CURT, the heavy-duty security of the Trimax, or the extreme protection of the Proven Locks, make sure you select a lock that fits your needs and provides the level of security you require. By taking the time to research and choose wisely, you can protect your trailer and enjoy your travels with confidence.
This site contains affiliate links. As an Amazon Associate, I earn from qualifying purchases. This means if you click on a link and buy a product, we may receive a small commission at no extra cost to you.
