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Chosen Government Railway Pureshi class (プレシ) Korean National Railroad Pureo4 class (푸러4) Korean State Railway Purŏnŏ class (부러너)
A Sentetsu Pureshi-class locomotive as rebuilt in 1925.
Type and origin Power type Steam Builder Gyeongseong Works (rebuilder) Build date 1925– Total produced 46
Specifications Configuration: ​  • Whyte 2-6-2T Gauge 1,435 mm (4 ft 8+1⁄2 in) Driver dia. 1,370 mm (54 in) Length 10,222 mm (33 ft 6.4 in) Width 2,946 mm (9 ft 8.0 in) Height 4,470 mm (14 ft 8 in) Adhesive weight 38.50 t (37.89 long tons) Loco weight 54.00 t (53.15 long tons) Fuel capacity 2.70 t (2.66 long tons) Water cap. 6,800 L (1,800 US gal) Firebox: ​  • Grate area 2.74 m (29.5 sq ft) Boiler: ​  • Small tubes 173 x 51 mm (2.0 in) Boiler pressure 11.5 kgf/cm (164 psi) Heating surface: ​  • Firebox 9.84 m (105.9 sq ft)  • Tubes 91.76 m (987.7 sq ft)  • Total surface 101.60 m (1,093.6 sq ft) Cylinders 1 Cylinder size 410 mm × 610 mm (16 in × 24 in) Valve gear Walschaerts
Performance figures Maximum speed 75 km/h (47 mph) Tractive effort 72.1 kN (16,200 lbf)
Career Operators Chosen Government Railway Korean National Railroad Korean State Railway Class Sentetsu: プレシ KNR: 푸러4 KSR: 부러너 Number in class Sentetsu: 46 Numbers Sentetsu: プレシ1–プレシ46 Delivered 1925–

The Pureshi-class (プレシ) 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".

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.

Description

The Pureshi class consisted of 46 Purei-class locomotives rebuilt by Sentetsu's Gyeongseong Works from 1925. Major modifications included increasing the size of the firebox to allow the use of lignite, which has a lower caloric value than anthracite coal. Boiler volume was increased, the heat transfer area was increased, the stoker was enlarged, and special attention was given to the prevention of sparks. The performance was found to be good, and eventually 46 Purei class locomotives were rebuilt to Pureshi standard. The redesign work also gave Sentetsu engineers important experience, which was later applied to the design of the Pashishi and Mikasa-class locomotives. After Sentetsu's general renumbering of 1938 they were numbered プレシ1 through プレシ46.

The original identities of the locomotives rebuilt is unknown.

Postwar

After the Liberation and partition of Korea, the Pureshi-class locomotives were divided between North and South, but the specifics of which engine went where are unclear; those going to the Korean National Railroad in the South would be designated 푸러4 (Pureo4) class, those with the Korean State Railway in the North would be designated 부러너 (Purŏnŏ) 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.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
3. Byeon, Seong-u (1999). 한국철도차량 100년사 [Korean Railways Rolling Stock Centennial] (in Korean). Seoul: Korea Rolling Stock Technical Corp.

v t e Chosen Government Railway locomotives and rolling stock
Locomotives	Steam (Tender) Amei (アメイ) Matei (マテイ) Mateni (マテニ) Mikai (ミカイ) Mikani (ミカニ) Mikasa (ミカサ) Mikashi (ミカシ) Pashii (パシイ) Pashini (パシニ) Pashisa (パシサ) Pashishi (パシシ) Pashiko (パシコ) Sorii (ソリイ) Tehoi (テホイ) Tehoni (テホニ) Tehosa (テホサ) Tehoshi (テホシ) Tehoko (テホコ) Tehoro (テホロ) Steam (Tank) Barui (バルイ) Goroi (ゴロイ) Mogai (モガイ) Purei (プレイ) Pureni (プレニ) Puresa (プレサ) Pureshi (プレシ) Pureko (プレコ) Purero (プレロ) Purena (プレナ) Pureha (プレハ) Satai (サタイ) Yonrin (4輪) Steam (Loaned in) Mantetsu Mikai (滿鐵ミカイ) Mantetsu Pashisa (滿鐵パシサ) Kokusen Pashiro (國線パシロ) Kokusen Soriro (國線ソリロ) Electric DeRoI (デロイ) (Toshiba) DeRoI (デロイ) (Mitsubishi) DeRoNi (デロニ)
Railcars	Steam Shigui (シグイ) Shiguni (シグニ) Petrol Keha (ケハ) Diesel Jiha (ジハ)
Narrow-Gauge	Locomotives Nakii (ナキイ) Nakini (ナキニ) Nakisa (ナキサ) Nakishi (ナキシ) Nakiko (ナキコ) Nakiro (ナキロ) Nakina (ナキナ) Nakiha (ナキハ) Railcars Nakeha1 (ナケハ1) Nakeha2 (ナケハ2)

v t e Rolling stock of Korail
Current/Active	High-speed trains KTX-I (100000) KTX Sancheon (KTX-II, 110000 / 120000 / 130000 / 140000) KTX-Eum (EMU-260, 150000) KTX-Cheongryong (EMU-320, 160000) Locomotives Electric 8000 8100 8200 8500 Diesel 4400 [ko] 7300 7400 7500 7600 Multiple units Electric 3000 [ko] 200000 210000 (EMU-150) 311000 319000 321000 331000 341000 351000 361000 368000 371000 381000 391000 [ko] 392000 [ko] Diesel Special railcars [ko] Roger-1000k [ko]
Retired/Withdrawn	Locomotives Electric Dero3 Diesel 2000 2100 3000 3100 [ko] 3200 [ko] 4000 4100 4200 4300 5000 6000 6100 6200 [ko] 6300 7000 7100 7200 9100 [ko] Steam (Tender) Ame1 Mateo1 Mateo2 Mika1 (ex-Mantetsu) Mika1 (ex-Sentetsu) Mika2 Mika3 Mika4 Mika5 Mika6 1-5 (ex-Mantetsu) Mika6 (ex-Sentetsu) Mika7 Pasi1 Pasi3 Pasi4 Pasi5 Sori1 Sori2 1-100 Sori2 101 Sori6 Teou1 Teou2 Teou3 Teou5 Teou6 Teou6-100 901 Steam (Tank) Baru1 Moga1 Pureo1 Pureo2 Pureo3 Pureo4 Pureo7 Pureo7-100 Pureo7-200 Pureo7-300 Pureo8 Sata1 Multiple units Electric EEC [ko] 1000 Diesel 3rd class diesel railcars DC [ko] DEC [ko] DHC [ko] NDC [ko] CDC/RDC Gasoline Keha Passenger car Nakeha Narrow-gauge DC [ko]
Experimental	High-speed trains HSR-350x HEMU-430X Multiple units Electric TTX
See also Category:Rolling stock of South Korea

v t e Korean State Railway locomotives and rolling stock
Locomotives	Steam (Tender) Degaha→8100 Koroha Madŏha→7100 Madŏdu→7200 Migaha (ex-Mantetsu)→6000+6100 Migaha (ex-Sentetsu)→6100 Migadu→6200 Migasŏ→6300 Miganŏ→6400 Migayu→6600 Mogaha Paruha Pasiha Pasidu Pasisŏ (ex-Sentetsu) Pasisŏ (ex-Mantetsu) Pasinŏ Pasio Pasiyu Sigŭha Soriyu Tŏuha Tŏudu Tŏusŏ Tŏunŏ Tŏuo Tŏuyu 150 424 475 [cs] 8000 8500 Ol49 Steam (Tank) Purŏha→1100 Purŏdu→1200 Purŏsŏ (ex-Sentetsu)→1300 Purŏsŏ (ex-Mantetsu)→1300 Purŏnŏ→1400 Purŏo→1500 Purŏyu→1600 Purŏch'i→1700 Purŏp'a→1800 Sadaha 100 4110 Electric 100 150 170 200 300 500 0000 1000 2000 3000 4000 5000-5100-5200-5300 5400 6000 7000 90000 Chŏngiha Chŏngidu Chŏngisŏ Chŏngi5 Kanghaenggun Diesel 100 150 200 300 400 500 600 700 800 900 3000 8000 Red Flag CSE26-21 DF8B
Railcars & trainsets	Electric 100 150 500 900 1000 Juche unknown 6 car EMU Petrol Keha
Narrow-gauge locomotives	Steam 400 500 600 (630) (655) (660) (700) (900) 1500 Diesel (D) Electric Charyŏk Kaengsaeng Chŏnginŏ Ch'ŏngnyŏnjŏl Kinyŏm

• Locomotives of Korea under Japanese rule
• Locomotives of North Korea
• Steam locomotives of South Korea
• Railway locomotives introduced in 1925
• 2-6-2 locomotives
• Baldwin locomotives
• Gyeongseong Works locomotives
• Rebuilt locomotives