Originally Posted by Macybaby

So, the feed dogs for a 404 are in a different spot than the 401 and 403? I've never seen a 404 in person, and assumed Singer would have made the frames all the same, and just put the straight stitch needle plate on the 404.

I know this is an issue with a machine like the 301A that did not also come in a zigzag model, so a foot for the 401A won't line up correctly with it, though they are both slant shank machines.