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Description

Model 2178-DModel 2178 D is designed to fit Demco raised latch Stamped couplers (as seen in the FINE PRINT section). This model was manufactured with a formed carbon steel outer housing to completely encapsulate the coupler head and latch. This lock model will be able to secure most safety chains up to 3 8" in the dedicated chain locking compartment. . If you have a 2" Cast Demco Coupler, please see Model 2178 D1 . Designing the best coupler locks is not an easy

enjoy the benefit of being able to key this lock with any of your other Proven Industries locks by selecting keyed alike

From an "A-frame" welded-on trailer coupler

Demco style trailer couplers will be found on enclosed car trailers

look below and you can see both styles in the coupler index

With such a high demand for a way to secure these types of trailers Proven Industries stepped up and developed the only high security lock on the market for this coupler type

and Welded from 3/16" Alloy Carbon Steel

for additional cost)

This helps to ensure the lock fits the wheel like a glove

All of our locks have the ability to be keyed to our entire lock line

Our UFP trailer lock will work with or without surge brakes

In most cases

Our design is easy to use and non-invasive since it does not require permanent mounting

Exchange/Return Notes