Tyn6-3636 (42) was originally delivered to Alsener Kreisbahn (AlK) (a railway on the island of Als (Denmark) as their No. 42. It became Greifenberger Kleinbahn (Gryficka Kolej Waskotorowa) in 1933 as (GbKB) No. 42C which was incorporated into the Pomeranian State Railways as (PLB) No. 152H3506. It entered seervice with PKP-B, initially as No. Twn1-3636 then, from 1961, in its current number before withdrawal in early 1977 and its later moved to the Narrow-Gauge Railway Museum at Gryfice.