PKP class Ok22 is a class of ordinary passenger (O)

4-6-0 A 4-6-0 steam locomotive, under the Whyte notation for the classification of steam locomotives by wheel arrangement, has four leading wheels on two axles in a leading bogie and six powered and coupled driving wheels on three axles with the abse ...

(k) steam locomotive designed in 1922 for

Polskie Koleje Państwowe (''PKP S.A.''; en, Polish State Railways, Inc.) is the dominant railway operator in Poland. The company was founded when the former state-owned enterprise was divided into several units based on the need for separation between infrastructure ...

(Polish State Railways, PKP). It was the first locomotive designed in Poland after

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

, so the design work was done jointly with

Hanomag Hanomag (Hannoversche Maschinenbau AG, ) was a German producer of steam locomotives, tractors, trucks and military vehicles in Hanover. Hanomag first achieved international fame by delivering numerous steam locomotives to Finland, Romania and B ...

, based on the

Prussian P 8 The Prussian Class P 8 of the Prussian state railways (DRG Class 38.10-40 of the Deutsche Reichsbahn) was a 4-6-0 steam locomotive built from 1906 to 1923 by the Berliner Maschinenbau (previously Schwartzkopff) and twelve other German factories. Th ...

( PKP class Ok1)

History

Introduction

The first five engines were built in Germany by

in 1923.

Polish Polish may refer to: * Anything from or related to Poland, a country in Europe * Polish language * Poles, people from Poland or of Polish descent * Polish chicken *Polish brothers (Mark Polish and Michael Polish, born 1970), American twin screenwr ...

production started in 1928 and lasted until 1934 after which 185 locomotives had been manufactured by

Fablok Fablok is a Polish manufacturer of locomotives, based in Chrzanów. Until 1947 the official name was ''First Factory of Locomotives in Poland Ltd.'' ( pl, Pierwsza Fabryka Lokomotyw w Polsce Sp. Akc.), Fablok being a widely used syllabic abbrevia ...

Chrzanów Chrzanów () is a town in southern Poland with 35,651 inhabitants as of December 2021. It is situated in the Lesser Poland Voivodeship (since 1999) and is the seat of Chrzanów County. History History to 1809 It is impossible to establish ...

. The first Polish-built locomotive (Ok22-6) was ready on December 31, 1928. Polish versions of the locomotive bore some improvements and changes compared with German ones, and were similar to PKP class Ty23. Ok22 locomotives were the first on the PKP to be equipped with electric lights.

Wartime

After the German invasion of Poland in World War II, most Ok22 locomotives were taken into the

Deutsche Reichsbahn The ''Deutsche Reichsbahn'', also known as the German National Railway, the German State Railway, German Reich Railway, and the German Imperial Railway, was the German national railway system created after the end of World War I from the regiona ...

fleet as 38 4501 to 38 4630.

Present day

Only two examples have survived. Ok22-23 in Jaworzyna Śląska and Ok22-31 in

Wolsztyn Wolsztyn (german: Wollstein) is a town in western Poland, on the western edge of Greater Poland Voivodeship. It is the seat of Wolsztyn County, and of the smaller administrative district of Gmina Wolsztyn. Geography The town is situated within ...

. Ok22-31 was an operational engine. It ran until 1997, and after retirement became a stationary exhibit. In 2004 the machine was restored to working order again, and it ran until 2009. It is currently static.

References

* * Ok22 4-6-0 locomotives Railway locomotives introduced in 1923 Fablok locomotives Hanomag locomotives Standard gauge locomotives of Poland {{poland-rail-transport-stub Passenger locomotives

History

Introduction

Wartime

Present day

See also

References