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Does Master Lock Heavy-Duty Coupler and Latch Lock Combo # 3784DAT Fit a 2 Inch Coupler


I have a 2inch bulldog coupler like BD43805W0317. Your website says this fits a 2inch ball while the masterlock website states this will only fit a 2 5/16 ball. Will this fit 2inch as well??


Expert Reply:

That's interesting, because Master Lock coupler lock # 3784DAT does indeed fit a 1-7/8 inch. 2 inch, and 2-5/16 inch coupler. Even the instructions from their site show it fitting a 1-7/8 and 2-5/16 inch coupler.

They don't show the 2 inch because it does not require any special steps (there is a little insert, included, that has to be on for 1-7/8 inch and UFP couplers but removed otherwise).

But this may not be the best option for coupler # BD43805W0317. It doesn't have a flange or lip. A better option is a lock for the latch so it cannot be opened such as # e98888 or # 3008.

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