The Tehoshi-class (テホシ) locomotives were a class of

steam Steam is a substance containing water in the gas phase, and sometimes also an aerosol of liquid water droplets, or air. This may occur due to evaporation or due to boiling, where heat is applied until water reaches the enthalpy of vaporizat ...

tender locomotive A tender or coal-car (US only) is a special rail vehicle hauled by a steam locomotive containing its fuel (wood, coal, oil or torrefied biomass) and water. Steam locomotives consume large quantities of water compared to the quantity of fuel, s ...

s of the Chosen Government Railway (''Sentetsu'') with

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 absenc ...

wheel arrangement In rail transport, a wheel arrangement or wheel configuration is a system of classifying the way in which wheels are distributed under a locomotive. Several notations exist to describe the wheel assemblies of a locomotive by type, position, and ...

. The "Teho" name came from the American naming system for steam locomotives, under which locomotives with 4-6-0 wheel arrangement were called "Ten Wheeler". After the

Liberation of Korea The surrender of the Empire of Japan in World War II was announced by Emperor Hirohito on 15 August and formally signed on 2 September 1945, bringing the war's hostilities to a close. By the end of July 1945, the Imperial Japanese Nav ...

, of the 178 surviving locomotives of all Teho classes - including six previously owned by private railway companies - 106 went to the

Korean National Railroad The Korea Railroad Corporation (Korean: 한국철도공사, Hanja: ), branded as KORAIL (코레일, officially changed to in November 2019), is the national railway operator in South Korea. Currently, KORAIL is a public corporation, manage ...

in the

South South is one of the cardinal directions or compass points. The direction is the opposite of north and is perpendicular to both east and west. Etymology The word ''south'' comes from Old English ''sūþ'', from earlier Proto-Germanic ''*sunþa ...

, and 72 to the

Korean State Railway The Korean State Railway (), commonly called the State Rail () is the operating arm of the Ministry of Railways of North Korea and has its headquarters at P'yŏngyang. The current Minister of Railways is Chang Jun Song. History 1945–195 ...

in the

North North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating direction or geography. Etymology The word ''no ...

Description

Following the brief excursion to

ALCo The American Locomotive Company (often shortened to ALCO, ALCo or Alco) was an American manufacturer of locomotives, diesel generators, steel, and tanks that operated from 1901 to 1969. The company was formed by the merger of seven smaller locom ...

for the Tehosa class, Sentetsu once again returned to

Baldwin Baldwin is a Germanic name, composed of the elements ''bald'' "bold" and ''win'' "friend". People * Baldwin (name) Places Canada * Baldwin, York Regional Municipality, Ontario * Baldwin, Ontario, in Sudbury District * Baldwin's Mills, Qu ...

for the next order of 4-6-0s. This was a small lot of four locomotives built in 1913, initially numbered 235–238 and intended for local freight trains, and had a lower profile than the previous Baldwin designs. They were renumbered 661–664 in 1918, finally being designated テホシ (''Tehoshi'') class in the 1938 general renumbering, numbered テホシ1 through テホシ4.

Postwar

Korean State Railway 더우너 (Tŏunŏ) class

All four locomotives of the class went to the

after the partition, where they were designated 더우너 (''Tŏunŏ'') class by the

and numbered 더우너1 through 더우너4, but little is known of their service lives and subsequent fates.

Construction

References

{{DPRKloco Locomotives of Korea Locomotives of North Korea Railway locomotives introduced in 1913 4-6-0 locomotives Baldwin locomotives