| Previous series number | Lyd1-310 | | Number change to | WLs150-7234 | | Class type | WLs150 | | Built date | 1966 | | Works number | 7234 | | State | number change | | Gauge | 750 |
| | Staying | Kętrzyn Wąsk. (1967-1971) Gdańsk Wąsk. (1971-1975) Mareza (1975-1983) Nowy Dwór Gdański Wąsk. (1983-1985) Mareza (1985-1987)
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