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Recommendation for a Coupler Lock for a Collar-Loc Trailer Coupler


Will this lock work with a sliding collar-lock coupler? I have a Bulldog 12,500 lb., 2-5/16 coupler.


Expert Reply:

Master Lock coupler lock # 3784DAT is not the best option for a Collar-Lok coupler. For a Collar-Lok coupler I recommend a lock designed for then such as # BLTL-23 (2-5/16 inch ball), # BLTL-20-40D (1-7/8 to 2-5/16 inch balls), or # BLTL-22 (2 inch ball).

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