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Specifications
Specifications
Configuration:;
• Whyte	4-6-2
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Driver dia.	1,850 mm (73 in)
Length	23,756 mm (77 ft 11.3 in)
Width	3,170 mm (10 ft 5 in)
Height	4,700 mm (15 ft 5 in)
Loco weight	112.00 t (110.23 long tons)
Tender weight	84.00 t (82.67 long tons)
Fuel capacity	14.0 t (13.8 long tons)
Water cap.	35,000 L (9,200 US gal)
Firebox:
• Grate area	6.20 m2 (66.7 sq ft)
Boiler:;
• Small tubes	75 x 51 mm (2.0 in)
• Large tubes	120 x 90 mm (3.5 in)
Boiler pressure	15.0 kgf/cm2 (213 psi)
Heating surface:
• Firebox	27.40 m2 (294.9 sq ft)
• Tubes	252.60 m2 (2,719.0 sq ft)
• Total surface	280.00 m2 (3,013.9 sq ft)
Superheater:;
• Heating area	113.70 m2 (1,223.9 sq ft)
Cylinders	2
Cylinder size	580 mm × 660 mm (23 in × 26 in)
Valve gear	Walschaerts

Type and origin
Type and origin
Power type	Steam
Builder	Gyeongseong Works, Kawasaki
Build date	1939 Gyeongseong (2); 1940–1944 Kawasaki (40)
Total produced	40

Chosen Government Railway Pashiko class (パシコ)
Korean National Railroad Pasi5 class (바시5)
Korean State Railway Pasio class (바시오)
Chosen Government Railway Pashiko class (パシコ); Korean National Railroad Pasi5 class (바시5); Korean State Railway Pasio class (바시오)
	Sentetsu Pashiko class locomotives パシコ7 and パシコ13
Power type
Type and origin
Power type	Steam
Builder	Gyeongseong Works, Kawasaki
Build date	1939 Gyeongseong (2); 1940–1944 Kawasaki (40)
Total produced	40
Configuration:;
Specifications
Configuration:;
• Whyte	4-6-2
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Driver dia.	1,850 mm (73 in)
Length	23,756 mm (77 ft 11.3 in)
Width	3,170 mm (10 ft 5 in)
Height	4,700 mm (15 ft 5 in)
Loco weight	112.00 t (110.23 long tons)
Tender weight	84.00 t (82.67 long tons)
Fuel capacity	14.0 t (13.8 long tons)
Water cap.	35,000 L (9,200 US gal)
Firebox:
• Grate area	6.20 m2 (66.7 sq ft)
Boiler:;
• Small tubes	75 x 51 mm (2.0 in)
• Large tubes	120 x 90 mm (3.5 in)
Boiler pressure	15.0 kgf/cm2 (213 psi)
Heating surface:
• Firebox	27.40 m2 (294.9 sq ft)
• Tubes	252.60 m2 (2,719.0 sq ft)
• Total surface	280.00 m2 (3,013.9 sq ft)
Superheater:;
• Heating area	113.70 m2 (1,223.9 sq ft)
Cylinders	2
Cylinder size	580 mm × 660 mm (23 in × 26 in)
Valve gear	Walschaerts
Maximum speed
Performance figures
Maximum speed	110 km/h (68 mph)
Tractive effort	162.0 kN (36,400 lbf)
Operators
Career
Operators	Chosen Government Railway; Korean National Railroad; Korean State Railway
Class	Sentetsu: パシコ; KNR: 바시5; KSR: 바시오
Number in class	Sentetsu: 42
Numbers	Sentetsu: パシコ1–パシコ42
Delivered	1939–1944

The Pashiko class (パシコ) locomotives were a group of steam tender locomotives of the Chosen Government Railway (Sentetsu) with 4-6-2 wheel arrangement. The "Pashi" name came from the American naming system for steam locomotives, under which locomotives with 4-6-2 wheel arrangement were called "Pacific".

In all, Sentetsu owned 144 locomotives of all Pashi classes, of which 141 survived the war; of these, 73 went to the Korean National Railroad in South Korea and 68 to the Korean State Railway in North Korea.^[1]

Description

Sentetsu designed the Pashiko class as a successor to the Pashishi class, with the first example, パシコ1, being delivered from Sentetsu's Gyeongseong Works in October 1939, and the second following a month later. They were not only the largest of all Sentetsu passenger locomotives in size, but at 159.8 t (157.3 long tons) they were the heaviest of all Sentetsu locomotives of any type, and with a maximum speed of 110 km/h (68 mph) they were the fastest as well.^[2]

Like the Matei class, which was the largest of all Sentetsu's freight locomotives, the Pashiko class had a firegrate area of 6.2 m² (67 sq ft), and like the Pashishi and its related classes, it was designed to use lignite abundant in Korea, which is less efficient than anthracite and thus requires a large heating area, and featured a combustion chamber firebox and a conical boiler. Unlike the other Pashi classes, which had drivers of 1,750 mm (69 in) diameter, the Pashiko had even larger drivers of 1,850 mm (73 in).^[2]

Timeline of Pashiko production for Sentetsu
Year	Running Number	Builder	Total
Oct 1939	パシコ1	Gyeongseong	1
Nov 1939	パシコ2	Gyeongseong	2
1940	パシコ3–パシシ12	Kawasaki	10
1941	パシコ13–パシシ22	Kawasaki	10
1942	パシコ23–パシシ35	Kawasaki	13
1943	パシコ36–パシシ40	Kawasaki	5
1944	パシコ41–パシシ42	Kawasaki	2
Builder totals		Gyeongseong	2
Builder totals		Kawasaki	40
Total			42

Postwar

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 파시5 (Pasi5) class

At least eighteen Pashiko class engines went south to the Korean National Railroad, where they became 파시5 (Pasi5) class, and they were widely used on passenger trains until at least 1967.^[3] 파시5-5 was partially streamlined and given a special livery of black with white and red trim in the mid-1950s by the US Army Transportation Corps railway crews.^[4]

Known KNR 파시5-class locomotives
KNR number	Sentetsu number	Builder	Year	Notes
파시5-1	パシコ1	Gyeongseong	1939
파시5-2	パシコ2	Gyeongseong	1939
파시5-3	パシコ3	Kawasaki	1940
파시5-4	パシコ4	Kawasaki	1940
파시5-5	パシコ5	Kawasaki	1940	Semi-streamlined by USATC crews after the Korean War.
파시5-11	パシコ11	Kawasaki	1940
파시5-12	パシコ12	Kawasaki	1940	Derelict by 1953.
파시5-16	パシコ16	Kawasaki	1941
파시5-18	パシコ18	Kawasaki	1941
파시5-19	パシコ19	Kawasaki	1941
파시5-20	パシコ20	Kawasaki	1941
파시5-21	パシコ21	Kawasaki	1941
파시5-23	パシコ23	Kawasaki	1942	Works number 2649. Preserved at the Korean Railway Museum.
파시5-24	パシコ24	Kawasaki	1942
파시5-26	パシコ26	Kawasaki	1942
파시5-30	パシコ30	Kawasaki	1942
파시5-31	パシコ31	Kawasaki	1942
파시5-37	パシコ37	Kawasaki	1943	Still in service in 1968.
파시5-38	パシコ38	Kawasaki	1943

Korean State Railway 바시오 (Pasio) class

The locomotives taken over by the Korean State Railway were initially designated 바시오 (Pasio) class. The total number, their service lives and subsequent fates are unknown, but they were probably retired by the end of the 1960s.

References

^ "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)
^ ^a ^b Byeon, Seong-u (1999). 한국철도차량 100년사 [Korean Railways Rolling Stock Centennial] (in Korean). Seoul: Korea Rolling Stock Technical Corp.
^ "Korean R Gaddie photos". donsdepot.donrossgroup.net.
^ "Korean National RR Pacee-5 4-6-2". donsdepot.donrossgroup.net.