Best Hitch Lock for my Trailer
Trailer Hitches

What is the Best Hitch Lock for my Trailer?

Owning a recreational vehicle represents a major investment. An RV is essentially a second home, often worth tens or even hundreds of thousands of dollars. Like any major asset, you want to protect your RV from potential theft or damage when it's not in use. One critical safeguard for securing your parked RV is installing a tongue lock on the trailer coupler.

What are the Different Types of Trailer Hitch Locks?

Trailer hitches allow vehicles to tow trailers, boats, campers, and other equipment. To prevent theft of valuables, there are various types of locks that can secure the hitch system. Three common lock types for securing hitches are receiver hitch locks, coupler locks, and latch pin locks.

Receiver Hitch Lock

A receiver hitch lock is designed to be inserted into the fastener hole of a hitch receiver tube, similar to a standard hitch pin and clip. However, rather than just securing an accessory in place, a receiver pin lock acts to completely immobilize the receiver tube opening. It features a long hardened steel shaft that fits into the receiver hole like a regular hitch pin. But built into the end cap is a lock cylinder that gets locked once inserted, preventing the pin from being removed.

Receiver Hitch Lock

Coupler Hitch Lock

U-Shape Universal Lock is a classic coupler hitch lock that provides a simple yet effective defense for securing your parked trailer. This heavy-duty steel lock completely encloses the trailer coupling ball socket, preventing the latching mechanism from opening. The shackle design wraps around the coupler and shuts with a sturdy lock cylinder. Weighing several pounds, the hardened U-shape lock resists cutting, hammering, or prying attempts. It installs in seconds without tools by simply sliding over an open coupler. The U-Shape Universal Lock immobilizes the trailer hitch connection, keeping your asset locked down and protected from theft when unattended.

Coupler Hitch Lock

Latch Pin Lock

For active towing situations, the latch pin lock plays a crucial role in preventing the trailer hitch latch from being lifted and connected to a different vehicle. This lock slides into the latch mechanism and securely locks into place, adding an extra layer of security while the trailer is in motion. The latch pin lock is a practical solution to deter theft during transportation.

Latch Pin Lock

Each type of trailer hitch lock plays a crucial role in fortifying different aspects of your towing setup, ensuring that your trailer remains safe and secure in various situations. Whether actively towing or parked, these locks contribute to the overall protection of your valuable assets. Each type of trailer hitch lock plays a crucial role in fortifying different aspects of your towing setup, ensuring that your trailer remains safe and secure in various situations. Whether actively towing or parked, these locks contribute to the overall protection of your valuable assets.

Why Do You Need a Trailer Lock?

Parking your RV on your property may give you a sense of security, but the reality is that trailers and equipment are attractive targets for thieves. These valuable assets are easy to hitch up and steal swiftly, presenting a significant risk.

In just a matter of minutes, an unsecured trailer can vanish without a trace. The chances of recovery are slim, forcing you into the frustrating process of replacing a costly possession. Fortunately, investing in a trailer lock is a simple and affordable way to add a crucial layer of defense, dissuading potential criminals and safeguarding your valuable assets.

What is a Trailer Tongue Lock?

A trailer coupler lock is a formidable metal device that clamps over the coupler used to hitch a trailer to a tow vehicle. It acts to completely prevent the coupler from opening, meaning no one can hitch up and drive away with your trailer while it's locked in place.

Trailer coupler locks are often referred to as "tongue locks" since they attach to the coupler on the trailer tongue. They typically feature a hardened steel shell that completely encloses the coupler, secured with a sturdy lock cylinder. Quality tongue locks provide an impenetrable shield against theft when installed properly.

Mounting Styles for Trailer Couplers

Trailer couplers come in different mounting styles, depending on the type of trailer tongue and the weight of the trailer. Here are some of the most common mounting styles for trailer couplers:

For Straight Tongues

For Straight Tongues

  1. Straight Channel: This style is designed for trailers with a straight channel tongue or bar. It has a square tubular mounting sleeve or tongue that can be bolted or mounted to a trailer. Capacities range from 2,000 to 21,000 lbs.
  2. Foldaway: This style bolts onto straight tongues and saves space by folding the trailer tongue for storage. It is easily folded by removing the pin and clip. Capacities range from 5,000 to 9,000 lbs.
  3. Round Tongue: This mounting style coupler slides into round shank tongues and welds on. It has a spring-loaded collar that ensures a snug fit. It is ideal for horse trailers and light generators with round tongues. Capacities range from 5,000 to 12,500 lbs.

For A-Frame Tongues

For A-Frame Tongues

  1. A-Frame Coupler: This style attaches to A-shaped trailer tongues and is designed for heavy-duty landscape, utility, and car hauler trailers. Capacities range from 5,000 to 21,000 lbs.
  2. Flat Mount: This style is used as an alternative to tow rings or pintle hooks. It mounts on the end of the trailer tongue and is perfect for very heavy trailers towed behind full-size dump trucks. Capacities range from 14,000 to 25,000 lbs.
  3. Adjustable Tongue: This style mounts on the trailer tongue with an additional bracket. It adjusts to match the height of different tow vehicles and is excellent for heavy-duty Bobcat trailers and small earth-moving equipment. Capacities range from 6,000 to 21,000 lbs.
  4. Lunette Ring: This style creates an attachment point on A-frame trailers and works together with pintle hooks on the side of the tow vehicle. It is ideal for tractors, Bobcat, and dump trailers. Capacities range from 12,000 to 45,000 lbs.

How does a Trailer Coupling Lock Work?

A trailer coupling lock is a security device designed to prevent unauthorized access to a trailer by securing the coupler, which is the part that attaches to the tow vehicle's hitch ball. The operation of a trailer coupling lock varies based on its design, but the general principle involves securing the coupler to prevent it from being hitched to another vehicle. Here's how it typically works:

  • Insertion and Locking Mechanism: The trailer coupling lock is inserted into the coupler mechanism. It often features a locking mechanism that engages with the coupler to prevent it from opening.
  • Locking Pins or Shackles: Many trailer coupling locks use locking pins or shackles that go through the coupler's latch mechanism. These pins are then secured using a lock, making it impossible to open the coupler.
  • Key or Combination Lock: Trailer coupling locks can use traditional keys or combination locks for security. The choice depends on the lock's design and the user's preference.
  • Tamper-Resistant Design: High-quality trailer coupling locks are often designed to be tamper-resistant. This means they have features to resist picking, drilling, or other attempts to bypass the lock.
  • Visible Deterrent: In addition to securing the coupler, trailer coupling locks often serve as a visible deterrent. Their presence signals to potential thieves that the trailer is protected, discouraging them from attempting to steal it.
  • Materials and Durability: Trailer coupling locks are typically made from robust materials like hardened steel to withstand tampering or cutting attempts. This ensures that the lock provides a reliable and durable level of security.

By securing the coupler, a trailer coupling lock prevents unauthorized individuals from hitching the trailer to their vehicle. This is crucial for deterring theft and protecting valuable cargo. The lock's effectiveness often lies in its robust design, quality construction, and visible presence as a security measure.

Can You Drive with a Trailer Coupling Lock on?

It is not recommended to drive with a trailer coupling lock on. The lock can cause damage to the coupler and the hitch ball and can also cause the trailer to become disconnected from the tow vehicle. It is best to remove the lock before driving the trailer.

Kohree Heavy Duty Trailer Coupler Lock

Kohree Trailer Coupler Lock is purpose-built to be the ultimate rugged shield for securing your RV trailer. Constructed from thick hardened steel and weighing nearly 8 pounds, this lock forms an impassable barrier protecting your coupler from intruders.

Kohree Heavy Duty Trailer Coupler Lock

Despite its formidable build, Kohree coupler lock installs in seconds without tools. The ergonomic design allows easy one-handed operation to put on and remove as needed.

Locking Kohree Trailer Coupler Lock

Unlock Kohree Trailer Coupler Lock

This lock forms a complete steel enclosure around compatible 2 inch or 2 5/16 inch trailer couplers. The tough metal shell resists cutting, prying, hammering, or any other brute force criminal efforts.

compatible trailer couplers

The inner locking cylinder provides reliable all-weather protection, secured with double-sided keys to prevent picking attempts. Dust covers keep the internal components clear of grime for smooth functioning in any conditions.

With its stout hardened steel shell and robust construction, the Kohree tongue lock truly lives up to its heavy-duty name. It provides the kind of impenetrable security you want to protect your expensive RV asset when unattended.

Actual Performance of Kohree Coupler Lock

Don't just take our word when it comes to the extreme durability of the Kohree coupler lock - see what actual customers had to say after putting it to the test:

"This hitch lock is really well made. It would take a good long while for someone to cut this off, I think they would just move on to someone else's trailer. It has thick steel and is a really good deterrent. It fit on my trailer no problem and locked up."

"This thing is super heavy duty so it does not budge when you try to force it to fit on anything. I mean if they’re going to take it they’re going to take it, but they are not going to have an easy time doing so."

"Once it's installed, there's no doubt it will be impossible to defeat. It's really robust and well-made. It's heavy, but really easy to install and remove. Not even the slightest hassle."

Verified buyers agree - the Kohree tongue lock lives up to its Heavy Duty reputation. It provides rugged dependable protection you can count on.

Kohree Hitch Receiver Pin Lock

Durable Construction for Ultimate Security: Kohree's 5/8" trailer hitch lock stands out with its solid steel build, weighing 1.5 pounds. Unlike other hitch locks made from Q235 or stainless steel, our product is crafted from durable hardened steel, featuring black e-coating and frameless construction. This ensures it remains unyielding, resisting breakage and rust over time.

Advanced Key Slot Cap for Weather Resistance: The towing hitch lock by Kohree comes equipped with a flexible keycap made of advanced rubber, seamlessly embedded in the lock core. This unique design tightly covers the keyhole, acting as a barrier against moisture, water, and dust penetration. Your hitch lock stays protected, even in challenging weather conditions.

Versatile Fit for Class III and IV Hitches: This weatherproof hitch pin is engineered with an extra-long 5/8" diameter, accompanied by 5 O-rings. Tailored to fit class III and IV hitches, including 2-inch and 2.5-inch receivers, this hitch pin ensures a secure fit without any bothersome rattles or shakes during travel.

Compatibility of Kohree Trailer Hitch Pin Lock

Enhanced Anti-Theft Features for Peace of Mind: Kohree Hitch Receiver Pin Lock is designed with anti-theft in mind. Featuring a safer Zinc Alloy Lock Core and Plum blossom keyhole, each lock cylinder is unique, safeguarding your hitch from potential theft. The separate spring clip and dual-hole design provide an added layer of safety. The package includes 5 O-rings, allowing you to customize and adjust for reduced rattles, ensuring a stable and secure towing experience. The push-to-lock design simplifies operation, offering a convenient replacement for worn or broken locks, ensuring a more secure hitch for your towing needs.

How to Lock and Unlock Kohree Trailer Hitch Locking Pin?

  1. Open the protective rubber cap in the lock head, then separate the lock head from the pin.
  2. Press the button on the lock head to securely lock the pin.
  3. Align and put the clip in place. Push the clip through the pinhole to add additional safety.
  4. Unlock the pin with the key and remove the safety clip to release the hitch lock.

How to lock and unlock Kohree trailer hitch pin lock


Trailer theft can happen swiftly and easily if your asset is left unprotected. Investing in high-quality trailer hitch locks provides an indispensable layer of security for your expensive RV, equipment, and cargo. The different styles of locks including receiver locks, coupler locks, and latch pin locks all serve to fortify your trailer against potential criminals. Brands like Kohree offer dependably rugged options constructed from hardened steel to thwart intruders. While no anti-theft measure is completely impenetrable, installing proper hitch locks signals to thieves your trailer is secured, deterring them from targeting your valuables. Take the time to properly outfit your trailer with tamper-resistant locks to gain peace of mind that your asset stays safely locked down when unattended.


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