10 Best Fifth Wheel Hitch Locks 2026 in the United States

The Andersen Ultimate 5th Wheel Connection Lock from Ft. Knox Locks is a robust and reliable option for securing your fifth-wheel trailer. Made from heavy-duty 3/16" fully welded cold rolled steel, this lock is designed to withstand bolt cutters and crowbars, providing high security for your trailer. Its bright yellow powder coat finish serves as a visual deterrent, warning potential thieves to stay away. The lock includes a Trimax Puck Lock, which features a hidden shackle design to further prevent theft. This lock is compatible with all versions of the Andersen Ultimate 5th Wheel Connection, making it a versatile choice for various applications.

The lock is also weather-resistant, ensuring durability in different environmental conditions. However, the lock is quite heavy, weighing 18 pounds, which might make it less convenient to handle and install. Additionally, the product is priced higher compared to other fifth-wheel hitch locks, which might be a consideration for budget-conscious buyers.

The lock is made by a reputable family-run business in the USA, which adds to its appeal for those who prefer supporting local manufacturers.

The Andersen Ultimate 5th Wheel Connection Lock stands out for its robust construction and high security features. Made from 3/16" fully welded cold rolled steel, this lock is designed to resist bolt cutter and crowbar attacks, ensuring your trailer remains secure. The bright yellow powder coat finish serves as a visual deterrent for potential thieves, which is a thoughtful addition to its security measures. Compatibility is a strong suit, as it fits all versions of the Andersen Ultimate 5th Wheel connections, including new eye bolt upgrades.

The lock accepts most 'puck' style locks, adding versatility to its locking mechanism, though it's important to note that the necessary puck lock isn't included with purchase. Users appreciate the straightforward design, which makes it simple to use, although its hefty weight of 18 pounds might be cumbersome for some.

In terms of weather resistance, the sand blasted and powder-coated finish provides some protection against the elements, enhancing durability. Manufactured by Ft. Knox Locks, a family-run business with a reputation for quality, this product benefits from a positive brand image. Despite being relatively niche, as indicated by its automotive sales rank, customer reviews are highly favorable, suggesting satisfaction with its performance. This lock is a great option for users prioritizing security and compatibility with Andersen’s systems, while those needing a complete locking system should consider the additional purchase of a puck lock.

The GenY Adapt 5th Wheel Lock by Ft. Knox Locks is built with heavy-duty alloy steel, making it very tough against common theft tools like bolt cutters and crowbars. Its fully welded design and strong enclosure locking mechanism provide solid security for trailers equipped with the GenY Executive 5th Wheel connection. The lock’s bright yellow powder coat finish is a notable feature—it acts as a clear visual warning to potential thieves and offers weather resistance to protect the lock from rust and corrosion over time.

Designed specifically for the GenY Executive system, compatibility is excellent if your trailer uses this type of hitch. The size and shape are practical, though it’s important to ensure your trailer matches the lock’s fit. While it doesn’t include a puck lock, it is straightforward to use and install, offering a quick and reliable security solution without complicated steps.

Ft. Knox is known for quality locks made in the USA, and positive customer ratings reflect satisfaction with this product’s durability and effectiveness. Its specialized compatibility means it may not work with other hitch types, and the limited warranty on powder coating suggests some care is needed to maintain its finish. For anyone with a GenY Executive 5th wheel setup seeking a robust and visible theft deterrent, this lock represents a strong choice.