Originally Posted by
OurWorkbench
Yes, the feet and cams work with both machines. I'm confused about the feed dog cover plate. Is it the straight stitch throat plate with number 174529? The 401 and 500 have a lever to raise the throat plate to darn or FMQ.
Janey - Neat people never make the exciting discoveries I do.
I'm not sure that the plate I'm using if from a 401 or a 503, but they are 172200 (zigzag) and 172201 (straight stitch).
bkay