DHR D Class

The DHR D Class was a 2 ft (610 mm) gauge 0-4-0+0-4-0 Garratt-type articulated steam locomotive used on the Darjeeling Himalayan Railway (DHR) in West Bengal, India.[2]

DHR D Class
Beyer-Peacock works photo
Type and origin
Power typeSteam
BuilderBeyer, Peacock and Company
Specifications
Configuration:
​
 • Whyte0-4-0+0-4-0
 • UICB'B' n4
Gauge2 ft (610 mm)
Driver dia.26 in (660 mm)
SuperheaterNone
CylindersFour, outside
Cylinder size11 in × 14 in (279 mm × 356 mm)
Career
Operators
ClassDHR D Class
Number in class1
Numbers31
LocaleWest Bengal, India
First run1911
WithdrawnNovember 1954 (1954-11)
[1]

Service history

The sole member of the class was built by Beyer, Peacock and Company in 1910, and entered service the following year, as no. 31 in the DHR fleet.[1] Its basic dimensions were designed to be roughly equivalent to those of two of the DHR's existing B Class 0-4-0ST engines, with the intention that it would produce approximately double the power of those engines. However, in practice it was only able to haul 65% more load than a single B Class unit.[3]

Although the DHR did not acquire any further articulated locomotives, no. 31 remained in service until November 1954.[3]

See also

References

Notes
  1. Hughes 1994, pp. 34, 37.
  2. Hughes 1994, p. 34.
  3. Hughes 1994, p. 37.

Bibliography
  • Durrant, A E (1981). Garratt Locomotives of the World (rev. and enl. ed.). Newton Abbot, Devon, UK; North Pomfret, Vt, USA: David & Charles. ISBN 0715376411.
  • Hills, Richard L (2000). The Origins of the Garratt Locomotive. East Harling, Norfolk, UK: Plateway Press. ISBN 1871980437.
  • Hughes, Hugh (1976). Steam in India. Truro, Cornwall: D. Bradford Barton Ltd. ISBN 0851532586.
  • Hughes, Hugh (1994). Indian Locomotives: Part 3 – Narrow Gauge 1863–1940. Harrow, Middlesex: The Continental Railway Circle. ISBN 0-9521655-0-3.
  • Manning, Peter (2013). The Anatomy of the Darjeeling Garratt and the Engine it tried to Replace: the DHR Class "B" saddle tank. Coromandel Valley, South Australia: Peter Manning Design & Drafting. ISBN 9780980621228.

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