Piłsudczyk was a Polish armoured train

Armoured train

An armoured train is a train protected with armour. They are usually equipped with railroad cars armed with artillery and machine guns. They were mostly used during the late 19th and early 20th century, when they offered an innovative way to quickly move large amounts of firepower...

 which participated in the defence of Poland

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 after the German invasion in 1939.

History

In the forming Polish army captured a new Austro-Hungarian train. Parts of the train were used to form the armoured train Piłsudczyk. The train was used in the battle for Lwów. Afterward the train was put in reserve. In 1939 the train was mobilized again and attached to the Army Łódź.