Sentetsu Pureko-class locomotives

The Pureko-class (プレコ) locomotives were a group of steam tank locomotives with 2-6-2 wheel arrangement of 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]

Chosen Government Railway Pureko class (プレコ)
Korean State Railway Purŏo class (부러오)
Type and origin
Power typeSteam
BuilderBaldwin
Build date1911
Total produced2
Specifications
Configuration:
​
 • Whyte2-6-2T
Gauge1,435 mm (4 ft 8 1⁄2 in)
Driver dia.1,370 mm (54 in)
Length10,480 mm (34 ft 5 in)
Width3,100 mm (10 ft 2 in)
Height4,328 mm (14 ft 2.4 in)
Adhesive weight41.05 t (40.40 long tons)
Loco weight58.91 t (57.98 long tons)
Fuel capacity2.70 t (2.66 long tons)
Water cap6,500 L (1,700 US gal)
Firebox:
 • Firegrate area		2.50 m2 (26.9 sq ft)
Boiler:
​
 • Small tubes166 x 51 mm (2.0 in)
Boiler pressure11.5 kgf/cm2 (164 psi)
Heating surface97.90 m2 (1,053.8 sq ft)
 • Tubes97.90 m2 (1,053.8 sq ft)
 • Firebox9.50 m2 (102.3 sq ft)
Cylinders1
Cylinder size410 mm × 610 mm (16 in × 24 in)
Valve gearWalschaerts
Performance figures
Maximum speed75 km/h (47 mph)
Tractive effort66.0 kN (14,800 lbf)
Career
OperatorsChosen Government Railway
Korean State Railway
ClassSentetsu: プレコ
KSR: 부러오
Number in class2
NumbersSentetsu: プレコ1, プレコ2
KSR: 부러오1, 부러오2
Delivered1911

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

The Baldwin Locomotive Works of the United States built two 2-6-2 tank locomotives in 1911, which were operated by the privately owned Domun Railway after 1920.[3] Both were taken over by Sentetsu after the nationalisation of the Domun Railway in 1929; after the general renumbering of 1938 they were designated プレコ (Pureko) class and numbered プレコ1 and プレコ2.[4]

Postwar: Korean State Railway 부러오 (Purŏo) class

After the Liberation and partition of Korea, both ended up in North Korea after Liberation, and were operated by the Korean State Railway[4] designated 부러오 (Purŏo) class.

References
  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. Byeon, Seong-u (1999). 한국철도차량 100년사 [Korean Railways Rolling Stock Centennial] (in Korean). Seoul: Korea Rolling Stock Technical Corp.
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