Madco Machine and Fabrication
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Madlock Trailer Security

Madlock Trailer Coupler Lock

The ultimate trailer lock is here.

  Madco Machine has designed a patent pending lock that that will keep your trailer secure. Madlock is not just another universal trailer lock. To keep your trailer secure we are making a few models. 2 5/16" stamped coupler sizes are currently in production. 2" will be getting into production shortly. We are also currently designing locks for other applications as well. Need a lock for an application that we don't currently supply?  Give us a shout! 

Madlock trailer security by Madco machine

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