Sentetsu Pashini-class locomotive

The Pashini class (パシニ) 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".

Chosen Government Railway Pashini class (パシニ)
Korean State Railway Pasidu class (바시두)
Type and origin
Power typeSteam
BuilderALCo
Build date1923
Total produced6
Specifications
Configuration:
​
 • Whyte4-6-2
Gauge1,435 mm (4 ft 8 1⁄2 in)
Driver dia.1,750 mm (69 in)
Length22,060 mm (869 in)
Width3,054 mm (10 ft 0.2 in)
Height4,228 mm (13 ft 10.5 in)
Loco weight90.40 t (88.97 long tons)
Tender weight57.50 t (56.59 long tons)
Fuel capacity9.4 t (9.3 long tons)
Water cap22,700 L (6,000 US gal)
Firebox:
 • Firegrate area		4.36 m2 (46.9 sq ft)
Boiler:
​
 • Small tubes168 x 51 mm (2.0 in)
 • Large tubes26 x 137 mm (5.4 in)
Boiler pressure13.0 kgf/cm2 (185 psi)
Heating surface225.90 m2 (2,431.6 sq ft)
 • Tubes208.90 m2 (2,248.6 sq ft)
 • Firebox17.00 m2 (183.0 sq ft)
Superheater:
​
 • Heating area61.20 m2 (658.8 sq ft)
Cylinders1
Cylinder size610 mm × 660 mm
(24 in × 26 in)
Valve gearWalschaerts
Performance figures
Maximum speed95 km/h (59 mph)
Tractive effort140.0 kN (31,500 lbf)
Career
OperatorsChosen Government Railway
Korean State Railway
ClassSentetsu: パシニ
KSR: 바시두
Number in classSentetsu: 6
KSR: 6
NumbersSentetsu: パシニ1–パシニ6
KSR: 바시두1–바시두6
Delivered1923

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

Following the success of the Pashii class, Sentetsu took delivery of six locomotives from ALCo of the United States in 1923. they were originally numbered パシ913–パシ918, but after six Japanese-built copies of the Pashii class were delivered later in the same year, in 1924 the ALCo engines were renumbered パシ919–パシ924 in order to free 913–918 up for the new Pashii units.[2] When Sentetsu introduced its new numbering system in 1938, these engines were redesignated パシニ (Pashini) class and numbered パシニ1 through パシニ6.

These engines represented a milestone in Korean railway history, having been the very last class of locomotives imported by Sentetsu from outside the Japanese Empire.[3]

Postwar: Korean State Railway 바시두 (Pasidu) class

After the partition of Korea, all six of the Pashini-class locomotives were in the North, and were taken over by the Korean State Railway (Kukch'ŏl) and were initially designated 바시두 (Pasidu) class. Little of their service lives in the North is known. It's uncertain whether they remained in service long enough to be renumbered with a four-digit serial number, and their subsequent fate is unknown; they were likely retired in the late 1960s or early 1970s.

After retirement, one of them, 바시두3, was fully restored to its original condition, including the original Sentetsu "パシニ3" number plates, and is now on display at the Wŏnsan Revolutionary Museum in Wŏnsan, which was opened in 1975 in Wŏnsan's original Sentetsu-built railway station building.[4]

Construction
Sentetsu running number
1923–19241924–19381938–1945Kukch'ŏl NumberBuilderYearNotes
パシ913パシ919パシニ1바시두1ALCo1923Presumably scrapped.
パシ914パシ920パシニ2바시두2ALCo1923Presumably scrapped.
パシ915パシ921パシニ3바시두3ALCo1923Restored and displayed at Wŏnsan as パシニ3.
パシ916パシ922パシニ4바시두4ALCo1923Presumably scrapped.
パシ917パシ923パシニ5바시두5ALCo1923Presumably scrapped.
パシ918パシ924パシニ6바시두6ALCo1923Presumably scrapped.
Total6
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References
  1. "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)
  2. "Korean National RR Class PC-1 4-6-2". donsdepot.donrossgroup.net.
  3. Byeon, Seong-u (1999). 한국철도차량 100년사 [Korean Railways Rolling Stock Centennial] (in Korean). Seoul: Korea Rolling Stock Technical Corp.
  4. samilupo. "半島を知るには... 2011年01月". krpd.blog85.fc2.com.
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