British Rail Class D2/12

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British Railways class D2/12
Hudswell-Clarke 0-6-0 D2511, K&WVR, November 2012 Photo04 2 (9859813135).jpg
D2511, preserved at the Keighley and Worth Valley Railway
Type and origin
Power typeDiesel-mechanical
Builder Hudswell Clarke
Serial numberD1201–D1210
Build date1961
Total produced10
Specifications
Configuration:
   Whyte 0-6-0 DM
Gauge 4 ft 8+12 in (1,435 mm) standard gauge
Wheel diameter3 ft 6 in (1.067 m)
Loco weight34.20 long tons (34.75  t; 38.30 short tons)
Prime mover Gardner 8L3
Transmission fluid coupling and Bostock & Bramley four-speed Power-flow SSS synchro-self-shifting gearbox [1]
MU working Not fitted
Train heatingNone
Performance figures
Maximum speed24 mph (39 km/h)
Power outputEngine: 204  bhp (152  kW)
Tractive effort 16,100  lbf (71.6  kN)
Career
Operators British Railways
Class D2/12; later 2/14A; no TOPS class
NumbersD2510–D2519
Axle load class Route availability 4
Retired1967
Disposition6 scrapped, 4 sold NCB (3 scrapped, 1 preserved)

British Rail Class D2/12 was a class of ten locomotives commissioned by British Railways in England. They were diesel powered locomotives in the pre-TOPS period built by Hudswell Clarke with a Gardner engine. The mechanical transmission, using a scoop control fluid coupling and four-speed Power-flow SSS (synchro-self-shifting) gearbox, [1] was a Hudswell Clarke speciality.

Contents

The D2/12 was mechanically similar to the earlier British Rail Class D2/7 but was of more modern appearance. The engine casing was lower, giving much better all-round visibility.

After British Rail

D2519 was employed at NCB Hatfield Main, Doncaster, South Yorkshire [2] as a shunter. It was located there until at least 1984.

D2511 is preserved at the Keighley and Worth Valley Railway. [3]

See also

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References

  1. 1 2 "Durham Mining Museum - Colliery Engineering". www.dmm.org.uk.
  2. Industrial Locomotives 1982 including preserved and minor railway locomotives. Industrial Railway Society. 1982. p. 244. ISBN   0-901096-43-1.
  3. Marshall, A. (2007) Preserved Heritage Traction, GM Publications, Leeds, UK, ISBN   978-0-9555581-0-8

Sources