GCR Class 8A

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GCR Class 8A
LNER Class Q4
Retford Great Northern Locomotive Depot geograph-2345782-by-Ben-Brooksbank.jpg
LNER 6224 (ex 6133, exx GCR 1163) at Redford Locomotive Depot on Sunday, 13 April 1947
Type and origin
Power typeSteam
DesignerJohn G. Robinson
Builder
Serial number
  • NR: 6251–6253
  • Kitson: 4202–4209, 4475–4487
Build date1902–1911
Total produced89
Specifications
Configuration:
 • Whyte0-8-0
 • UICD n2, later D h2
Gauge1,435 mm (4 ft 8 12 in)
Driver dia.4 ft 8 in (1.422 m)
Wheel spacing
(Asymmetrical)
  • 5 ft 8 12 in (1.740 m) +
  • 5 ft 5 12 in (1.664 m) +
  • 5 ft 11 in (1.803 m)
Loco weight62.40 long tons (63.40 t)
Boiler:
 • Diameter4 ft 9 in (1.45 m)
 • Tube plates15 ft 0 in (4.57 m)
Boiler pressure180 lbf/in2 (1 MPa)
CylindersTwo, outside
Cylinder size19 in × 26 in (483 mm × 660 mm)
Career
Operators
NicknamesTinnies
DispositionAll scrapped

The Great Central Railway (GCR) Class 8A was a class of 0-8-0 steam locomotive built between 1902 and 1911 for handling heavy coal trains over the Pennines. They all passed to the LNER in 1923, who redesignated them Class Q4. Between 1942 and 1943, thirteen were rebuilt as 0-8-0T locomotives and reclassified as Class Q1.

References[edit]

  • Baxter, Bertram (1988). Baxter, David (ed.). British Locomotive Catalogue 1825–1923, Volume 5B: Great Northern Railway and Great Central Railway. Ashbourne, Derbyshire: Moorland Publishing Company. ISBN 978-0-903485-86-9.
  • Boddy, M. G.; Brown, W. A.; Hennigan, W.; Hoole, Ken; Neve, E.; Yeadon, W. B. (September 1984). Fry, E. V. (ed.). Locomotives of the L.N.E.R., Part 6C: Tender Engines—Classes Q1 to Y10. Kenilworth: RCTS. ISBN 0-901115-55-X.