Best Heavy Duty Towing Hitch Locks of 2025

The Reese Towpower Heavy Duty Coupler Lock is a universal fit lock that secures your trailer when not being towed. It has a ratchet design with 11 locking positions and fits 1-7/8, 2 and 2-5/16 inch trailers. The lock comes with two theft-proof square keys and has a bright silver color for theft deterrence.

The Rhino Coupler Lock is a reliable solution for securing your trailer, boat, or RV. As a family-owned American brand, it offers you peace of mind knowing you are supporting local business. This lock is designed to withstand the elements, featuring a powder-coated finish that prevents rust and corrosion. It fits most 2-inch couplers, making it versatile for different towing needs. With this lock, you can confidently protect your valuable assets from theft, ensuring they remain safe while you’re away.

The Master Lock Stainless Steel Barbell Receiver Lock is a durable and weather-resistant lock that is best used for vehicles, trailers, and RV hitch locks. With its convenient Push to Lock mechanism, you can easily lock and unlock the receiver lock. It is rated for Class III/IV 10,000 pound load and has a usable length of receiver pin of 3-1/2 in. The extended length shaft fits Toyota Tundra, Ford F-150/F-250/F-350, GMC/Chevy 2500/3500 and Dodge trucks with heavy-duty tow packages. This lock comes with two keys and is made of stainless steel.

The InfiniteRule Receiver Lock is designed for 2" and 2.5" receiver hitches, ensuring a perfect fit for Class III, IV, and V applications. This locking pin provides peace of mind with its anti-theft features, utilizing machined stainless-steel that has been rigorously tested for security. Its durable construction resists rust and corrosion, making it reliable for all-weather use. Additionally, the weatherproof rubber cap and O-ring keep out rain and debris, protecting your hitch from damage. With this hitch lock, you can confidently secure your towing equipment without worries.

The LCGP Trailer Hitch Lock is a robust security solution for your trailers, trucks, RVs, and SUVs. With its universal fit for various coupler sizes, you can easily secure your vehicle. The 4-digit combination lock eliminates the hassle of keys, allowing you to set a memorable code for added peace of mind. Made from heavy-duty steel and aluminum alloy, it offers exceptional durability and protection against corrosion. Installation is a breeze, and its design helps prevent prying, ensuring your trailer stays safe and secure.

The MaxxHaul 70050 Trailer Hitch Lock is a heavy-duty locking receiver pin designed to fit all class III/IV 2"X 2" receivers. With its double chrome plating, this hitch lock provides improved wear and corrosion resistance, ensuring durability and longevity. Its foolproof design ensures that it won't lock until the key is removed, providing added security and peace of mind. The diamond knurled finish makes it easy to handle, while the watertight dust cap protects the key hole from dirt, ensuring smooth operation. The MaxxHaul 70050 Trailer Hitch Lock also comes with two keys, making it convenient for multiple users.

TowWorks Hitch Lock Set is a heavy-duty towing accessory designed to provide maximum security for your trailer hitch. With its adjustable pin, it fits most adjustable hitches, making it versatile and convenient to use. The separate spring clip adds an extra layer of safety, ensuring that the locking pin stays securely in place. The rubber O rings help reduce rattling, ensuring a quiet and smooth towing experience. The push lock design with tubular keyed alike keys makes it easy to lock and unlock the hitch, while the watertight dust rubber cap prevents internal corrosion. This set includes two locks with four keys, all keyed alike, providing convenience and peace of mind. Choose TowWorks Hitch Lock Set for a reliable and secure towing solution.

The Rhino USA Hitch Lock is designed to keep your trailer and hitch safe from theft. Made from solid forged steel, it offers robust protection for your valuable equipment. This hitch lock is compatible with all Class V hitches, making it easy for you to secure your setup without hassle. Additionally, its patent-pending weatherproof slide cap prevents dirt, mud, and debris from entering the mechanism, ensuring smooth operation and longevity. With a heavy-duty construction that can handle up to 18,000 lbs of gross trailer weight, you can tow confidently knowing your hitch is secure.

Introducing the RETRUE Universal Coupler Lock, the perfect solution to secure your trailer hitch. This heavy-duty lock is designed to fit 1-7/8", 2", and 2-5/16" couplers, providing a versatile fit for various couplers. With its wider and thicker steel U-shaped pipe and body, it offers enhanced resistance to external forces and theft attempts. Crafted from an aluminum body and high-strength A36 steel, this lock provides robust cut and shear resistance, ensuring superior security. The upgraded lock cylinder with a more complex lock mechanism and thicker keys makes it virtually impossible to crack, offering added strength and durability. With a rustproof and weatherproof design, this lock is built to last. Enjoy peace of mind knowing that your trailer hitch is securely locked with the RETRUE Universal Coupler Lock.

The METOWARE Trailer Lock offers robust security for your trailer with its all-metal construction, ensuring durability and resistance to wear and rust. It features a universal design that fits various coupler sizes, making it convenient for a wide range of trailers. The adjustable ratchet design allows for quick and easy installation and removal, saving you time and effort. Additionally, the lock incorporates advanced anti-theft technology, enhancing security to keep your trailer safe from theft. With these features, you can tow with peace of mind, knowing your trailer is well protected.