PKP Class Pt47 is a Polish

steam locomotive A steam locomotive is a locomotive that provides the force to move itself and other vehicles by means of the expansion of steam. It is fuelled by burning combustible material (usually coal, oil or, rarely, wood) to heat water in the loco ...

. An improvement of the successful pre-war

PKP class Pt31 PKP Class Pt31 is a Polish steam locomotive of Polskie Koleje Państwowe, designed for hauling heavy long-distance passenger trains, built in 1932-1940. The designation stood for fast passenger (P) 2-8-2 (t) steam locomotive designed in 1931. The ...

class, the main difference is the addition of circular tubes in the fire chamber, thereby significantly increased boiler performance. This class also featured a

superheater A superheater is a device used to convert saturated steam or wet steam into superheated steam or dry steam. Superheated steam is used in steam turbines for electricity generation, steam engines, and in processes such as steam reforming. There ...

and many have mechanical stokers to feed coal into the firebox. 180 locomotives were built in total between 1948 and 1951. The designation stood for fast passenger (P) 2-8-2 (t) locomotive designed in 1947. Although heavy, the Pt47 is powerful and fast. Its main use was to carry heavy fast passenger trains, especially on long distance routes, for example on the difficult route from Cracow to Krynica. They were withdrawn from regular service in 1988. Fifteen survived, mostly in non-working condition. The Pt47 easily reached speeds of , with a heavy train, although is not as refined as the

PKP class Pm36 PKP class Pm36 is a class of two express passenger (P) 4-6-2 (m) steam locomotives ordered in 1936 for the Polskie Koleje Państwowe (Polish State Railways). History Design The design was ready in 1936 and the following year the first two protot ...

- especially on routes with a lower quality track. A maximum speed of could be achieved even with a train of . In the 1950s these machines were could travel per day. At first, German tenders from class 41 or 44 locomotives were used, designated 34D44. From 1949, Polish tenders 33D48 were manufactured in

Pafawag Pafawag (Państwowa Fabryka Wagonów) (English: National Rail Carriage Factory) is a Polish locomotive manufacturer based in Wrocław. The company became part of Adtranz in 1997 as Adtranz Pafawag, and in 2001 part of Bombardier Transportation. I ...

, next rebuilt to 27D48, when fitted with a mechanical stoker (water capacity 33 m³, then 27 m³).

Nicknames

* Petucha - after the first two letters of the name

References

* * Railway locomotives introduced in 1948 Pt47 2-8-2 locomotives Fablok locomotives Standard gauge locomotives of Poland {{poland-rail-transport-stub