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 Proven Industries Model PL-5 Fifth-Wheel Kingpin Lock is designed for those who prioritize the security of their trailers and RVs. Made in the USA, this lock stands out due to its robust construction, using stainless steel for enhanced durability. The solid-steel TIG-welded collar and 303 stainless-steel pin promise a tough defense against burglary attempts, especially resisting power tools and bolt cutters.

One of the lock's key strengths is its innovative, pick-resistant key design, which also prevents unauthorized key duplication, adding another layer of security. It's universally compatible, fitting various fifth-wheel trailers and accommodating lube plates, making it versatile for users with different types of fifth-wheel setups.

In terms of ease of use, the lock is relatively straightforward to install and manage, although it requires a key for operation, which might not be as quick as some keyless options on the market. Proven Industries has a solid reputation for quality and thoughtful design in security products, adding confidence to the purchase.