Sentetsu Purero-class locomotives

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Chosen Government Railway Purero class (プレロ)
Korean State Railway Purŏyu class (부러유)
Type and origin
Power typeSteam
BuilderOrenstein & Koppel
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)
Length10,846 mm (35 ft 7.0 in)
Width2,900 mm (9 ft 6 in)
Height3,900 mm (12 ft 10 in)
Adhesive weight34.70 t (34.15 long tons)
Loco weight51.45 t (50.64 long tons)
Fuel capacity1.60 t (1.57 long tons)
Water cap.5,600 L (1,500 US gal)
Firebox:
 • Firegrate area		1.80 m2 (19.4 sq ft)
Boiler:
​
 • Small tubes81 x 45 mm (1.8 in)
 • Large tubes12 x 137 mm (5.4 in)
Boiler pressure12.0 kgf/cm2 (171 psi)
Heating surface74.40 m2 (800.8 sq ft)
 • Tubes74.40 m2 (800.8 sq ft)
 • Firebox7.60 m2 (81.8 sq ft)
Superheater:
​
 • Heating area19.00 m2 (204.5 sq ft)
Cylinders1
Cylinder size450 mm × 550 mm (18 in × 22 in)
Valve gearWalschaerts
Performance figures
Maximum speed75 km/h (47 mph)
Tractive effort72.0 kN (16,200 lbf)
Career
OperatorsDomun Railway
Chosen Government Railway
Korean State Railway
ClassSentetsu: プレロ
KSR: 부러유
Number in class2
NumbersSentetsu: プレロ1, プレロ2
KSR: 부러유1, 부러유2
Delivered1911

The Purero-class (プレロ) 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]

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[]

Orenstein & Koppel of Germany built two superheated 2-6-2 tank locomotives in 1911 which were operated by the privately owned Domun Railway after 1920. Both were taken over by Sentetsu after the nationalisation of the Domun Railway in 1929; after the general renumbering of 1938 they were designated プレロ (Purero) class and numbered プレロ1 and プレロ2.[3]

Postwar: Korean State Railway 부러유 (Purŏyu) class[]

After the Liberation and partition of Korea, both ended up in North Korea after Liberation, and were operated by the Korean State Railway[3] designated 부러유 (Purŏyu) 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 2004-04-20.
  3. ^ a b Byeon, Seong-u (1999). 한국철도차량 100년사 [Korean Railways Rolling Stock Centennial] (in Korean). Seoul: Korea Rolling Stock Technical Corp.
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