Fifty ET42s were purchased between 1978 and 1982 and were all based at the Zduńska Wola Karsznice depot. They were all built at the Novocherkassk Electric Locomotive Factory in the former Soviet town of Novocherkassk (Russian: Новочеркасск).
Between 1978 and 1982, fifty ET42s were acquired for use at the Zduńska Wola Karsznice depot. These locomotives were all produced by the Novocherkassk Electric Locomotive Factory in the former Soviet town of Novocherkassk (Russian: Новочеркасск).