Motor works on these Sony Cassette deck models.
TC-K561S, TC-KE400S, TC-KE200, TC-KE300, TC-K570, TC-k670, TC-KE600S, TC-K611S, TC-K615S, TC-K620,
TC-K630ES, TC-K650ES, TC-K677ES, TC-K679ES, TC-K690, TC-K707ES, TC-K711S, TC-KA1ES, TCK61, TCK71,
TCK 81, TC-KA2ES
Contact me for other models.
Dimensions are 1" tall by 1 1/4" round with a 1/4" long shaft.