page_title: 4-6-2
section_title: Poland
hierarchical_section_title: 4-6-2 / Usage / Poland
caption_attribution_description: English: Polish Pm36-2 "Piękna Helena" in Poznań Polski: Parowóz Pm36-2 "Piękna Helena" z parowozowni Wolsztyn w Poznaniu 15 czerwca 2004 r.
context_page_description: Under the Whyte notation for the classification of steam locomotives, 4-6-2 represents the wheel arrangement of four leading wheels on two axles, six powered and coupled driving wheels on three axles and two trailing wheels on one axle. The 4-6-2 locomotive became almost globally known as a Pacific type.
context_section_description: In the Polish State Railways (Polskie Koleje Państwowe or PKP) locomotive classification system, locomotives with a 2C1 (4-6-2 ) axle arrangement were identified with the letter "m" in the class prefix. Express locomotives therefore had a "Pm" prefix, passenger locomotives an "Om" prefix and tank passenger locomotives an "OKm" prefix.
  The PKP class Pm36 consisted of two experimental Polish prototype express locomotives, built by Fablok of Chrzanów in 1937. One of them, no. Pm36-1, was streamlined, while the other had a standard appearance in order to compare their respective performances in terms of top speed, acceleration and coal and water consumption.
  The Pm36-1 won a gold medal at the International Exposition of Modern Art and Technology in Paris in 1937. It was damaged and later scrapped during the Second World War, but Pm36-2 survived and worked on the PKP until 1965, when it was given to the Warsaw Railway Museum. In 1995, it was rebuilt and restored to mainline specifications and nicknamed Beautiful Helene. As of 2011, while still remaining museum property, the locomotive was in regular service at Wolsztyn.
  Besides these two Polish-built locomotives, several German DRG class 03, class 03¹⁰ and class 18¹ locomotives (ex Württemberg Class C) and Austrian class 629 tank locomotives saw service in Poland as the classes Pm2, Pm3, Om101 and OKm11 respectively. (Also see Germany) and (Austria)
  One 600 mm (1 ft 11 ⁵⁄₈ in) narrow gauge Pacific locomotive, the Belgijka, built in 1935 by Ateliers Métallurgiques in Nivelles and Tubize in Belgium, was also used in Poland and is preserved at the Narrow Gauge Railway Museum in Wenecja, Poland.
caption: Pm36-2 Beautiful Helene in Poznań
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