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Trimax TC123 Adjustable Coupler Lock for Trailers

Manufacturer

Trimax

<h3>Trimax Locks: Industry-Leading Security for Towing &amp; Trailering</h3><p>When a trailer, RV, boat, or powersport vehicle is left unattended, the only thing standing between it and a potential thief is the quality of the lock protecting it. That's the problem Trimax Locks was founded to solve. Headquartered in Centennial, Colorado, <strong>Trimax</strong> has spent more than two decades engineering and refining a comprehensive lineup of security products built around one simple philosophy: <em>Lock It or Lose It.</em></p><p>A division of Wyers Products Group, <a href="/1109-trimax">Trimax</a> produces <strong>more than 120 lifetime-warranted security products</strong> spanning the trailer and towing, power sports, marine, RV, and bicycle markets. That breadth of coverage — combined with a consistent commitment to hardened steel construction, pick-resistant cylinders, and weather-resistant finishes — has made Trimax one of the most recognized names in the trailer security industry.</p><h3>A Security Ecosystem Built for Real-World Towing</h3><p>What sets Trimax apart is not just the quality of any single product, but how well its entire lineup works together. From the moment a trailer is hitched to a vehicle, every connection point is a vulnerability — and Trimax has engineered solutions for all of them.</p><p>At the heart of the lineup are <a href="/1109-trimax-trailer-hitch-lock-14537">Trimax Trailer Hitch Locks</a>, which include receiver locks, coupler locks, and universal locking systems designed to prevent unauthorized connection to a parked trailer. Products like the UMAX series feature 360-degree hardened steel protection and are engineered to fit a wide range of coupler styles and ball sizes, offering versatility without compromising security.</p><p>For trailers, ATVs, and construction equipment left on a job site or in a storage yard, <a href="/1109-trimax-wheel-7644">Trimax Wheel Locks</a> provide a highly visible, physical deterrent. Their adjustable wheel chock-and-lock designs simultaneously chock the wheel to prevent roll-away and lock it to prevent theft — a dual-action approach that delivers two layers of protection in a single unit.</p><p>Rounding out the towing security package, <a href="/1109-trimax-trailer-hitch-1212">Trimax Trailer Hitches</a> — including the RAZOR Adjustable Hitch Systems — bring the same engineering standards to the hitch itself. These hitches are designed for a secure, rattle-free connection between tow vehicle and trailer, and many feature anti-rattle clamps that reduce the play between receiver and accessory for a tighter, more confident tow.</p><h3>Built to Last, Backed for Life</h3><p>Trimax's lifetime warranty covers its broad catalog of security products — a testament to the confidence the company places in its own manufacturing. Whether you're securing a weekend boat trailer, a fifth-wheel RV, a motorcycle, or a bicycle, Trimax offers a purpose-built solution backed by decades of experience in the field. For anyone serious about protecting their towing investment, Trimax delivers the kind of reliability that lets you park and walk away with confidence.</p>

Part Number

TC123
09/12/2036 8:20 AM
Sale Price

$13.32

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Usually delivered within 2 days

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Product Details

The Trimax TC123 Adjustable Coupler Lock provides reliable theft protection for your trailer with its versatile, adjustable design. This heavy-duty coupler lock features an adjustable locking pin that accommodates coupler sizes ranging from 7/8 inches to 3-1/2 inches, making it compatible with a wide variety of trailers including utility trailers, boat trailers, and RV trailers.

Key Features:

  • Adjustable locking pin fits coupler spans from 7/8" to 3-1/2"
  • Triple-plated chrome finish resists rust and corrosion
  • Durable construction provides maximum theft deterrence
  • Universal fit works with most standard trailer couplers
  • Easy to install and remove with included keys

The triple-plated chrome finish not only provides a professional appearance but also delivers long-lasting protection against the elements. The TC123's adjustable design eliminates the need to purchase multiple locks for different trailers, making it an economical choice for trailer owners with multiple units or varying coupler sizes.

They had the lowest price by far! Quick shipment! I am going back for more. Thanks!<br><br>Order 6489

Great prices and fast shipping!

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I purchased a wiring connector and some additional wiring pins. Super fast shipping. Likely to buy from again.

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