Sentetsu Goroi-class locomotive

The Goroi class (ゴロイ) was a class of steam tank locomotives of the Chosen Government Railway (Sentetsu) with 2-4-2 wheel arrangement.[1] The "Goro" name came from the American naming system for steam locomotives, under which locomotives with 2-4-2 wheel arrangement were called "Columbia".[2]

Chosen Government Railway Goroi class (ゴロイ)
Korean State Railway Koroha class (고로하)
Type and origin
Power typeSteam
BuilderKisha Seizō
Build date1924
Total produced3
Specifications
Configuration:
​
 • Whyte2-4-2T
Gauge1,435 mm (4 ft 8 1⁄2 in)
Driver dia.1,370 mm (54 in)
Length9,292 mm (365.8 in)
Height4,250 mm (167 in)
Adhesive weight28.00 t (27.56 long tons)
Loco weight43.85 t (43.16 long tons)
Fuel typeCoal
Fuel capacity1.27 t (1.25 long tons)
Water cap4.50 m3 (159 cu ft)
Firebox:
 • Firegrate area		1.12 m2 (12.1 sq ft)
Boiler:
​
 • Small tubes68 x 51 mm (2.0 in)
 • Large tubes15 x 137 mm (5.4 in)
Boiler pressure13.0 kgf/cm2 (185 psi)
Heating surface69.2 m2 (745 sq ft)
 • Tubes47.4 m2 (510 sq ft)
 • Firebox5.6 m2 (60 sq ft)
Superheater:
​
 • Heating area16.2 m2 (174 sq ft)
Cylinder size300 mm × 457 mm (11.8 in × 18.0 in)
Valve gearWalschaerts
Performance figures
Maximum speed75 km/h (47 mph)
Tractive effort32.0 kN (7,200 lbf)
Career
OperatorsChosen Government Railway
Korean State Railway
ClassSentetsu: ゴロイ
KSR: 고로하
Number in class3
NumbersSentetsu: ゴロイ1 – ゴロイ3 (1938-1945)
KSR: 고로하1 – 고로하3

Description

Three Goro-class locomotives were built in 1923 by Kisha Seizō of Japan for Sentetsu,[3] delivered in 1924.[1] Initially numbered 61-63, they received the ゴロイ1 through ゴロイ3 numbers in Sentetsu's general renumbering of 1938.[1]

After the partition of Korea, all three Goroi-class locomotives went to the Korean State Railway in North Korea, where they were designated 고로하 (Koroha) class and numbered 고로하1 through 고로하3.[4]

Construction
Sentetsu running numberPostwar
Original1938–1945OwnerNumberBuilderYearWorks number
ゴロ61ゴロイ1KSR고로하1Kisha Seizō1923754
ゴロ62ゴロイ2KSR고로하1Kisha Seizō1923755
ゴロ63ゴロイ3KSR고로하1Kisha Seizō1923756
Total3

References
  1. Byeon, Seong-u (1999). 한국철도차량 100년사 [Korean Railways Rolling Stock Centennial] (in Korean). Seoul: Korea Rolling Stock Technical Corp.
  2. 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).
  3. Yamada, Keitarō (1972). 汽車会社蒸気機関車製造史 [Manufacturing History of Kisha Kaisha Steam Locomotives] (in Japanese). Nagoya: Kōyūsha.
  4. "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)
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