Shopping security
Protect your trailer with confidence using the Trimax UMAX50D Universal Trailer Coupler Lock, built to deliver maximum security across a wide range of trailer applications. Designed with Trimax’s proven value-added engineering, this dual-purpose lock secures both the coupler and latch, helping prevent unauthorized hookups and trailer theft.
The dual ratchet locking system ensures a tight, secure fit on 1-7/8″, 2″, and 2-5/16″ couplers, while the integrated U-lock with a 9/16″ hardened steel shackle adds an extra layer of protection. Finished with a rugged, corrosion-resistant coating, the UMAX50D is built to hold up in harsh outdoor and marine environments.
Whether you’re securing a utility trailer, RV, boat trailer, or towable equipment, this lock delivers the durability and peace of mind Trimax is known for.
Dual ratchet locking system for a secure, tight fit
Fits 1-7/8″, 2″, and 2-5/16″ trailer couplers
Deluxe ball-and-clamp style design secures coupler and latch
Integrated U-lock with 9/16″ hardened steel shackle
Rugged, corrosion-resistant finish for long-term durability
Fully universal design for broad trailer compatibility
Pairs well with Trimax security cables and chains
Limited lifetime warranty
Part Number: UMAX50D
Style: Ball and Clamp
Coupler Compatibility: 1-7/8″, 2″, 2-5/16″
Pin Size: 9/16″
Material: Steel
Color: Gray
Universality: Fully Universal
Quantity: Single
Ships within 48 hours · Estimated delivery Jun 24 - Jun 29
US$40
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