Anyone who pulls a trailer or an RV knows that a lot depends on keeping that hitch safe and secure. A trailer can be an easy mark for someone who is looking for a quick score; it doesn’t take much to lift it off the hitch and attach it to a second vehicle.

To prevent this, the use of a trailer hitch lock is vital. There are several different types of trailer hitch locks available, ranging from those that secure the hitch with the trailer attached, to those that prevent anyone with a key from hooking up to the trailer in the first place.

Below, we’ve assembled five of the best trailer hitch locks, complete with our reviews on each

COMPARISON CHART

IMAGE	PRODUCT
	1. Master Lock 2866DAT 1/2 in. and 5/8 in. Swivel Head Receiver Lock for Class I-IV Flimy key can bend. Not rated for things like bicycle racks Towing payloads over 10,000 pounds are not recommended for this product.	LEARN MORE ►
	2. Reese Towpower 7014700 Tow ‘N Store Lock Kit Rated up to 6,000 pounds Multiple points of protection. Three locks all only require one key.	LEARN MORE ►
	3. Master Lock 389DAT Universal Trailer Lock Strong and sturdy construction. Easy to install and remove Safely secures your trailer while unattached to a hitch	LEARN MORE ►
	4. Trimax T-3BLACK Premium 5/8″ Key Receiver Lock Simple and easy to use. Rated for 32,000 pounds Corrosion and rust-free water-tight cap seals out harsh elements.	LEARN MORE ►
	5. Cocoweb Chrome C-Lock Heavy Duty Locking 5/8″ Inch Hitch Pin Fits most hitches from Class I through Class IV Strong, durable lock. Weather-resistant cap	LEARN MORE ►

OUR TOP 5 PICKS

#1 Master Lock 2866DAT 1/2 in. and 5/8 in.

Specifications

Features

• Locking head rotates for easy access to lock.
• Fits 1/2 in. (13 mm) and 5/8 in. (16 mm) receivers.

• Weather-resistant cap included.
• Rated for classes I – IV.

This no-nonsense, easy-to-use locking mechanism easily fits most standard-sized trailer hitches. Just insert, swivel the head and lock into place for peace of mind trailer hitch locking.

This lock fits all standard sized trailer hitches, and is rated up to 10,000 pounds when used in a Class IV hitch.

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#2 Reese Towpower 7014700 Tow ‘N Store Lock Kit

Specifications

Features

• Multiple points of protection make for a more secure experience.
• One key for all locks makes it easier to use

• Coupler lock protects your trailer, receiver lock protects while towing.
• Rated through Class III

The Reese Towpower Lock Kit is designed to provide more than just lock-pin protection. The included coupler lock fits standard 2” trailer hitches, and the two receiver locks replace cotter pins with a higher-rated locking system. 

This means your trailer is secure whether it’s parked or on the go. What’s best, all three locks use the same key, so there’s no confusion or switching out.

#3 Master Lock 389DAT Universal Trailer Lock

Specifications

Features

• Bright red, so it’s easy to see and acts as a visual deterrent.
• Easy to install, easy to remove.

• Coupler lock fits most standard-sized trailer couplers.

This is a pretty standard, no-frills coupler lock designed to keep your trailer safe. It fits most standard-sized locks, and goes on quick and easy.

#4 Trimax T-3BLACK Premium 5/8″ Key Receiver Lock

Specifications

Features

• ⅝” pin fits all class III and IV receivers.
• Rated up to 32,000 pounds.
• Features a water-tight cap that seals out rust and corrosion.

• Simply insert and turn the tube key to secure.
• Fits hitches up to 2 ½” in width.

This is about as no-frills as you can get. A strong, durable receiver lock fits all standard-sized Class III and IV hitches. Once the pin is inserted, place the tube key on the end and give it a turn. 

That’s it. This lock is designed to eliminate “false positives” so you always know your trailer is secured and locked. And with a rating of up to 32,000 pounds, there’s practically nothing this can’t handle.

#5 Cocoweb Chrome C-Lock Heavy Duty Locking 5/8″ Inch Hitch Pin

Specifications

Features

• Fits all standard ⅝” hitches.
• Fits hitches up to 2.75” in width.

• Fits hitches Class I through IV.

This receiver hitch is similar to the Trimax lock, but with a handful of upgrades. First, it fits more hitch sizes, giving you expanded coverage. Second, it is slightly wider, fitting more sizes. Finally, its metallic finish is rust and corrosion-resistant, providing longer life and usage.

Frequently Asked Questions

What are good trailer lock brands?

The most popular brands of trailer locking systems are Master-lock, Reese, and Trimax.

Any of those brands can provide you with a locking system that will keep your important things safe and will give you peace of mind.

Do trailer hitch locks work?

Yes. Trailer hitch locks offer a way to secure your hitch to eliminate theft and/or damage to your hitch. To determine the best hitch lock for your needs, first, evaluate the methods of hitch theft. Hitch theft is becoming more prevalent than ever. The reason for this is a simple fact that hitches are often unsecured.

CONCLUSION

While each of these locks comes with its own pros and cons, they each work best in their own specific situation.  Of course, the lock that works best for you depends on how and where you want to use it, but when you put it all together, the best trailer hitch lock for the price is clearly the Master Lock 2866DAT 1/2 in. and 5/8 in. Swivel Head Receiver Lock for Class I-IV