Originally Posted by cjaye44
I was looking at a machine and got the serial #. I sent an email to Singer and they replied saying it was a 15K. Does the K have any significance? The manual says 15-91 but maybe it did not belong to this particular machine??
I can answer your question about what the K means.
I have learned that the K stands for the Kilbowie Singer plant in Clydebank, Scotland.
Blessings,
Sandi