Sentetsu Pashisa-class locomotive

Chosen Government Railway Pashisa class (パシサ)
Korean National Railroad Pasi3 class (바시3)
Korean State Railway Pasisŏ class (바시서)
Type and origin
Power type Steam
Builder Kawasaki
Build date 1923
Total produced 6
Specifications
Configuration:
 ​
 • Whyte 4-6-2
Gauge 1,435 mm (4 ft 8 1⁄2 in)
Driver dia. 1,750 mm (69 in)
Length 22,060 mm (72 ft 5 in)
Width 3,054 mm (10 ft 0.2 in)
Height 4,228 mm (13 ft 10.5 in)
Loco weight 89.60 t (88.18 long tons)
Tender weight 57.50 t (56.59 long tons)
Fuel capacity 9.4 t (9.3 long tons)
Water cap 22,700 L (6,000 US gal)
Firebox:
 • Firegrate area		 4.36 m2 (46.9 sq ft)
Boiler:
 ​
 • Small tubes 127 x 51 mm (2.0 in)
 • Large tubes 32 x 137 mm (5.4 in)
Boiler pressure 13.0 kgf/cm2 (185 psi)
Heating surface 204.10 m2 (2,196.9 sq ft)
 • Tubes 187.10 m2 (2,013.9 sq ft)
 • Firebox 17.00 m2 (183.0 sq ft)
Superheater:
 ​
 • Heating area 75.30 m2 (810.5 sq ft)
Cylinders 1
Cylinder size 610 mm × 660 mm (24 in × 26 in)
Valve gear Walschaerts
Performance figures
Maximum speed 95 km/h (59 mph)
Tractive effort 140.0 kN (31,500 lbf)
Career
Operators Chosen Government Railway
Korean National Railroad
Korean State Railway
Class Sentetsu: パシサ
KNR: 바시3
KSR: 바시서
Number in class Sentetsu: 6
Numbers Sentetsu: パシサ1–パシサ6
Delivered 1923

The Pashisa class (パシサ) 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

Along with the six Pashii copies built by Kisha Seizō, 1923 saw the delivery of another six similar locomotives from Kawasaki of Japan, the パシサ (Pashisa) class. Originally numbered パシ957–パシ962, they became パシサ1–パシサ6 in Sentetsu's general renumbering of 1938.[2] The success of these engines and the Japanese-built Pashii copies proved that domestic (i.e. Japanese, Manchurian and Korean) industry was more than capable of building satisfactory locomotives, and signalled the end of the importation of locomotives from foreign sources.[3]

Postwar

The exact dispersal of the Pashisa-class locomotives between North and South after the partition of Korea is uncertain, but it was likely an even split.[2]

Korean National Railroad 파시3 (Pasi3) class

The Korean National Railroad likely received three of the six Pashisa-class locomotives; the identies of two are known for certain.[2] They were designated 파시3 (Pasi3) class,[3] and were used by the KNR on passenger trains until the end of the 1960s.

Korean State Railway 바시서 (Pasisŏ) class

The Korean State Railway is believed to have received three of the six Pashisa-class locomotives.[2] Little of their service lives is known, but they were initially designated 바시서 (Pasisŏ) class, and they were likely retired by the end of the 1960s.

Construction

Sentetsu running numberPostwar
1923–19381938–1945OwnerNumberBuilderYearNotes
パシ957パシサ1??Kawasaki1923
パシ958パシサ2KNR파시3-2Kawasaki1923
パシ959パシサ3??Kawasaki1923
パシ960パシサ4??Kawasaki1923
パシ961パシサ5??Kawasaki1923
パシ962パシサ6KNR파시3-6Kawasaki1923
Total6

References

  1. ↑ "North and South Korea Steam Locomotives". 20 April 2004. Archived from the original on 20 April 2004.
  2. 1 2 3 4 "Korean National RR PC-3 4-6-2s". donsdepot.donrossgroup.net.
  3. 1 2 Byeon, Seong-u (1999). 한국철도차량 100년사 [Korean Railways Rolling Stock Centennial] (in Korean). Seoul: Korea Rolling Stock Technical Corp.
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