HO 3-Rail AC Marklin 39436 K.Bay.Sts.B. 4-6-2 S3/6 Steam #3624 w/ DCC & Sound August 15, 2026 By 0 HO 3-Rail AC Marklin 39436 K.Bay.Sts.B. 4-6-2 S3/6 Steam #3624 w/ DCC & Sound. Sound will not operate on Conventional AC layouts. – Smoke fluid not included. Couplers : Marklin Style. DCC Status : DCC Dual Mode Decoder Installed.