Amanap65 I believe those gates have never been replaced and are still in use today. The mechanical parts in the walls were replaced in the 80s or 90s but the gates have endured.
![Panama Canal Construction - A worker stands in one of the canal locks, 1912 (Photo: Bettmann) [1348x1600]](https://i.redd.it/ftj2y51ikmn41.jpg)
Amanap65
I believe those gates have never been replaced and are still in use today. The mechanical parts in the walls were replaced in the 80s or 90s but the gates have endured.