Indian locomotive class XS

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Indian XS
Type and origin
Power type Steam
Builder Vulcan Foundry
Serial number 4293–4296
Build date 1930
Total produced
  • XS1: 2
  • XS2: 2
Specifications
Configuration:
 • Whyte 4-6-2
 • UIC 2′C1′ h4
Gauge 5 ft 6 in (1,676 mm)
Driver dia. 6 ft 2 in (1.880 m)
Axle load 21.5 long tons (21.8 t; 24.1 short tons)
Loco weight 108 long tons (110 t; 121 short tons)
Tender weight 64.15 long tons (65.18 t; 71.85 short tons)
Fuel type Coal
Boiler pressure 225 psi (1.55 MPa)
Cylinders Four (two inside and two outside)
Cylinder size 18 in × 26 in (457 mm × 660 mm)
Valve gear
Performance figures
Tractive effort 34,400 lbf (153.02 kN)
Career
Operators
Number in class
  • XS1: 2
  • XS2: 2
Numbers
  • XS1: 760, 761
  • XS2: 780, 781
[1][2][3]

The Indian locomotive class XS was a class of experimental four-cylinder 4-6-2 "Pacific" type steam locomotives used on broad gauge lines in British India, and then in post-partition Pakistan.[2][3]

The four members of the class were built by Vulcan Foundry in Newton-le-Willows, Lancashire, England, in 1930. They were divided into two sub-classes, XS1 and XS2, each made up of two locomotives.[1][3] Upon the partition of India in 1947, they all went to Pakistan.[2]

See also[edit]

References[edit]

Notes[edit]

  1. ^ a b Hughes 1990, p. 79.
  2. ^ a b c Hughes 1996, p. 87.
  3. ^ a b c "North Western Railway, Pakistan 5 ft. 6 in. Gauge 1930 4-6-2 (XS1 & XS2) brochure" (PDF). Vulcan Foundry. Archived from the original (PDF) on 11 July 2013. Retrieved 11 July 2013. 

Bibliography[edit]

  • Hughes, Hugh (1990). Indian Locomotives: Part 1 – Broad Gauge 1851–1940. Harrow, Middlesex: The Continental Railway Circle. ISBN 0-9503469-8-5. 
  • Hughes, Hugh (1996). Indian Locomotives: Part 4 – 1941–1990. Harrow, Middlesex: The Continental Railway Circle. ISBN 0-9521655-1-1.