OK. But are you looking for modern era locks, or old ones? North American, or European?
You may be right that there are only 2 locks on the DLS, but in my experience, one needs also to check for the asset under foreign language names. For example, a lock made by a Spanish creator may be listed under cerradura, one by a German creater may be listed as a Schleuse, one by the fine French creators as an ecluse, one by a Hungarian creator a zsilip, and one by a Dutch creator a sluis. [NB: All of these foreign language names I got from Google (R) Translate.] Now, some of these may not appear compliant with North American practices, but one can cover some of this by activating the "plausibility factor". This is done by inventing a plausible reason why something looks like it does. So, a midwestern US municipality which has a strong German flavor is made plausible by explaining that the municipality was founded and populated by a group from Germany, or for a possibly more relevant example, the locks on the canal look like Hungarian ones because the engineer responsible for their design and construction was Hungarian.
Don't forget to search foreign 3PP sites. I seem to remember (though I may be mistaken in this), that one of the Spanish sites had some 3PP canal items listed on the site, but I also remember that the site did not have an English page. I found it by doing a search for Trainz in the Spanish domain (.es).
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