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Trimax UMAX 100 Universal Coupler Lock


  • Fits all 1-7/8", 2" and 2-5/16" couplers.
  • Huge 5/8" hardened steel shackle.
  • Attractive ballistic grade housing absorbs hammer blows and protects against weather.
  • Huge 6-tooth dual ratchet locking system.
  • Comes with 2 rugged tubular keys.
  • Key hole cover seals out dirt.
  • Horizontal span between shackle bars is 4-1/2".

MSRP = $115.99

The Umax 100 uses a high security Trimax Tubular Key and can be matched to many other Trimax products. See the selection at: Keyed-Alike Locks

The Umax 100 is the "Big Daddy" of the universal couple locks. While no lock is invincible, the Trimax Umax 100 will take a beating, literally, and keep your trailer safe.

With a 5/8" hardened steel shackle above and solid steel pins, surrounded by a steel casing underneath the plastic housing below, the Umax 100 is one tough lock.
Note: Lock may have to be turned around with the keyway towards the rear for some surge brake couplers.

Comes with 2 Keys

Add to Cart:

  • Model: TM-UMAX100
  • Shipping Weight: 10lbs
  • Manufactured by: Trimax
  • UPC: 7 97824 10076 3

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