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China Railways SL5

From Wikipedia, the free encyclopedia

China Railways SL5 (勝利5)
Mantetsu Pashiko class (パシコ)
SL5 292 at Shenyang Railway Museum
Type and origin
Power typeSteam
DesignerNobutarō Yoshino (吉野信太郎)
BuilderShahekou Works
Build date1927–1928
Total produced11
Specifications
Gauge1,435 mm (4 ft 8+12 in)
Driver dia.1,850 mm (73 in)
Adhesive weight63.93 t (62.92 long tons)
Loco weight102.34 t (100.72 long tons)
Firebox:
 • Firegrate area
4.82 m2 (51.9 sq ft)
Boiler pressure14.1 kgf/cm2 (201 psi)
Cylinder size584 mm × 710 mm (23.0 in × 28.0 in)
Valve gearWalschaerts
Career
OperatorsSouth Manchuria Railway
China Railway
ClassSMR: G1 (1927–1938)
CR: ㄆㄒ伍 (1951–1959)
CR: 勝利5 (1959–)
Number in class11
NumbersSMR: パシコ950–960 (1927–1938)
SMR: パシコ1–11 (1938–1945)

The China Railways SL5 (勝利5, Shènglì, "victory") steam locomotive was a class of 4-6-2 passenger steam locomotives operated by the China Railway. They were originally built for the South Manchuria Railway in 1927 and 1928.

History

As speeds increased and trains got heavier with the introduction of steel passenger carriages, the Pashishi class became inadequate, and the Pashiko class was ordered as a replacement. It was the first locomotive designed by Nobutarō Yoshino (吉野信太郎), who had returned to Japan in 1927 after two and a half years of studying at the American Locomotive Company, and who went on to be involved in the design of most subsequent Mantetsu locomotives. To boost the performance, cylinder size was increased and the fire grate was made larger. The Pashiko class was the first Mantetsu locomotive to be equipped with a combustion chamber firebox, and the first passenger locomotive to be fitted with an automatic stoker. With the introduction of the Pashiko class, of which eleven were built by the Shahekou Works in 1927 and 1928, the travel time of the DalianChangchun "Hato" express train dropped from 12 hours 30 minutes in 1929 to 10 hours 30 minutes in 1933. In 1934 they were used for high-speed tests of the "Asia Express" between Dalian and Fengtian. Until the arrival of the streamlined Pashina class, these locomotives were the most emblematic of Mantetsu passenger service.

Owner Class & numbers
(1927–1938)
Class & numbers
(1938–1945)
Builder
Mantetsu パシコ950–パシコ960 パシコ1–パシコ11 Shahekou Works

Postwar

All eleven survived the war, with five having been assigned to the Dalian Railway Bureau, and six to the Fengtian Bureau at the end of the war, and were taken over by the Republic of China Railway. In 1951, the China Railway designated them class ㄆㄒ伍 (PX5), subsequently becoming class SL5 (勝利, Shènglì, "victory") in 1959, and were numbered in the 281–300 range. They were used by CR primarily around Shenyang on passenger trains.

SL5 281-283, and 292 were noted to be in dump around Sujiatun Locomotive Depot in April 1984. SL5 296 was noted to be in service around Sujiatun Locomotive Depot in October 1980.[1][2] SL5-292 is preserved at the Shenyang Railway Museum.

References

  1. ^ "SL5(パシコ)形蒸気機関車". Archived from the original on 2016-08-03. Retrieved 2017-10-03.
  2. ^ SL5 281 to SL5 300 _Railography : Chinese Locomotive Lists
This page was last edited on 3 December 2023, at 06:10
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