Sentetsu Purei-class locomotives

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Chosen Government Railway Purei class (プレイ)
Gyeongbu Railway 1–18
Temporary Military Railway 19–52
Korean National Railroad Pureo1 class (푸러1)
Korean State Railway Purŏha class (부러하)
Gyeongbu-sentetsu-purei.jpg
Sentetsu Purei-class locomotive No. 25
Type and origin
Power typeSteam
BuilderBaldwin
Build date1901, 1906
Total produced70
Specifications
Configuration:
 • Whyte2-6-2T
Gauge1,435 mm (4 ft 8 12 in)
Driver dia.1,370 mm (54 in)
Length10,205 mm (33 ft 5.8 in)
Width2,800 mm (9 ft 2 in)
Height3,860 mm (12 ft 8 in)
Adhesive weight37.00 t (36.42 long tons)
Loco weight52.00 t (51.18 long tons)
Fuel capacity1.8 t (1.8 long tons)
Water cap5,500 L (1,500 US gal)
Firebox:
 • Firegrate area
1.69 m2 (18.2 sq ft)
Boiler:
 • Small tubes176 x 51 mm (2.0 in)
Boiler pressure11.5 kgf/cm2 (164 psi)
Heating surface98.70 m2 (1,062.4 sq ft)
 • Tubes89.20 m2 (960.1 sq ft)
 • Firebox9.50 m2 (102.3 sq ft)
Cylinders1
Cylinder size410 mm × 610 mm (16 in × 24 in)
Valve gearStephenson
Performance figures
Maximum speed75 km/h (47 mph)
Tractive effort72.1 kN (16,200 lbf)
Career
OperatorsGyeongbu Railway
Temporary Military Railway
Chosen Government Railway
Korean National Railroad
Korean State Railway
ClassSentetsu: プレイ
KNR: 푸러1
KSR: 부러하
Number in classGR: 18
TMR: 52
Sentetsu: 70
Numberssee text
Delivered1901, 1906

The Purei-class (プレイ) locomotives were a group of steam tank locomotives with 2-6-2 wheel arrangement used by the Chosen Government Railway (Sentetsu) in Korea. The "Pure" name came from the American naming system for steam locomotives, under which locomotives with 2-6-2 wheel arrangement were called "Prairie".[1]

In all, Sentetsu owned 227 locomotives of all Pure classes, whilst privately owned railways owned another 52; of these 279 locomotives, 169 went to the Korean National Railroad in South Korea and 110 to the Korean State Railway in North Korea.[2]

Description[edit]

The first 18 Prairie-type locomotives delivered to Korea were built for the Gyeongbu Railway by the Baldwin Locomotive Works of the United States,[3] with the first units arriving in 1901; they were numbered simply 1 through 18. A further 52 were delivered in 1906 to the Temporary Military Railway, of which 48 were assigned to the Gyeongui Line and four to the Masan Line.[4] These were delivered from Baldwin in knockdown form, and were assembled in Korea by the Gyeom-ipo and Incheon Shops.

The Gyeongbu Railway was nationalised to create the Chosen Government Railway on 1 July 1906, and the Temporary Military Railway was absorbed by Sentetsu on 31 August 1906, and all 70 of these locomotives entered service with Sentetsu.[4] Seven were subsequently transferred to private railways,[4] though all but one eventually returned to Sentetsu. They were used by Sentetsu on both passenger and freight trains all over Korea. From 1925, a number were rebuilt to Pureshi class for operation with domestic lignite.[5] 24 Purei-class locomotives remained unrebuilt, and these were numbered 221 through 254. Only 23 were left in service at the time of Sentetsu's 1938 general renumbering; these were renumbered プレイ1 through プレイ23 at that time.[6]

Year Number Manufacturer Original Owner Notes
1901 18 Baldwin Gyeongbu Railway
1905 52 Baldwin Temporary Military Railway Assembled in Korea

Postwar[edit]

After the Liberation and partition of Korea, they were divided between North and South, but the specifics of which engine went where are unclear.

Korean National Railroad 푸러1 (Pureo1) class[edit]

At least four Purei-class locomotives ended up with the Korean National Railroad in the South after the division of Sentetsu's motive power following the partition of the country; these were designated 푸러1 (Pureo1) class by the KNR.[6]

Known KNR 푸러1-class locomotives
Running number
KNR Sentetsu (1938–1945) Sentetsu (1918–1938) Original Builder Year Notes
푸러1-11 プレイ11 プレ231 TMR Baldwin 1906 Operational in 1954
푸러1-14 プレイ14 プレ234 TMR Baldwin 1906 Derelict by 1953
푸러1-17 プレイ17 プレ237 TMR Baldwin 1906 Derelict by 1953
푸러1-21 プレイ21 プレ241 TMR Baldwin 1906 Operational in 1954

Korean State Railway 부러하 (Purŏha) class/1100 series[edit]

The locomotives taken over by the Korean State Railway in the North were initially designated 부러하 (Purŏha) class; they were later renumbered in the 1100 series. The total number, their service lives and subsequent fates are unknown.

References[edit]

  1. ^ Colvin, Fred H. (1906). The railroad pocket-book: a quick reference cyclopedia of railroad information. New York, Derry-Collard; London, Locomotive Publishing Company (US-UK co-edition). p. L‑9.
  2. ^ "North and South Korea Steam Locomotives". 20 April 2004. Archived from the original on 20 April 2004.CS1 maint: BOT: original-url status unknown (link)
  3. ^ 푸러형 증기기관차(탱크식)를 알아보자. 2 December 2012 (in Korean)
  4. ^ a b c "プレーリー型タンク機関車". Archived from the original on 2017-08-26.
  5. ^ Byeon, Seong-u (1999). 한국철도차량 100년사 [Korean Railways Rolling Stock Centennial] (in Korean). Seoul: Korea Rolling Stock Technical Corp.
  6. ^ a b "Korean National Ry Class PR1 2-6-2T". donsdepot.donrossgroup.net.