Originally Posted by
Thopf
A friend gifted me an old macy's own herald sewing machine. In excellent condition. Only The belt was broken there was no manual tried singer 15-91 also no size given can you ake a suggest I did find a belt on amazon that was compatible with a 15-90
The Singer 15-91 has a potted motor. The version with an external motor is the 15-90, so a belt for a 15-90 should work.