DHR D Class

Beyer-Peacock works photo

| Type and origin

Power type| Steam
Builder| Beyer, Peacock & Company
| Specifications

Configuration:
| ​
• Whyte| 0-4-0+0-4-0
• UIC| B'B' n4
Gauge| 2 ft (610 mm)
Driver dia.| 26 in (660 mm)
Superheater| None
Cylinders| Four, outside
Cylinder size| 11 in × 14 in (279 mm × 356 mm)
| Career

Operators|

* Darjeeling Himalayan Railway
* → Indian Railways

Class| DHR D Class
Number in class| 1
Numbers| 31
Locale| West Bengal, India
First run| 1911
Withdrawn| November 1954 (1954-11)
[1]

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]

## Service history

[edit]

The sole member of the class was built by Beyer, Peacock & Company, Manchester, England 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

[edit]

* Rail transport in India#History
* Indian Railways
* Locomotives of India
* Rail transport in India

## References

[edit]

### Notes

[edit]

1. ^ a b Hughes 1994, pp. 34, 37.
2. ^ Hughes 1994, p. 34.
3. ^ a b Hughes 1994, p. 37.

### Bibliography

[edit]

* Durrant, A E (1981). Garratt Locomotives of the World (rev. and enl. ed.). Newton Abbot, England: David & Charles. ISBN 0-7153-7641-1. OCLC 9326294.
* 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. OCLC 39496543.
* 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.

## External links

[edit]

Media related to DHR D Class at Wikimedia Commons

* v
* t
* e

Narrow-gauge locomotives of India

Steam (2 ft 6 in (762 mm))|

| Barsi Light Railway|

* A
* B
* C
* D
* E
* F
* G

|

IRS designs|

* ZA
* ZB
* ZC
* ZD
* ZE
* ZF

Steam (2 ft (610 mm))|

| Darjeeling Himalayan Railway|

* A
* B (778)
* C
* D

|

Matheran Light Railway|

* MLR 1-4

IRS designs|

* QA
* QB
* QC

Diesel (2 ft 6 in (762 mm))|

* ZDM-1
* ZDM-2
* ZDM-3
* ZDM-4
* ZDM-5

Diesel (2 ft (610 mm))|

* NDM-1
* NDM-2
* NDM-3
* NDM-4
* NDM-5
* NDM-6

Battery (2 ft (610 mm))|

* NBM-1

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