LMS Stanier Class 5 4-6-0

The London, Midland and Scottish Railway (LMS) Stanier Class 5 4-6-0, commonly known as the Black Five, is a class of 4-6-0 steam locomotives. It was introduced by William Stanier and built between 1934 and 1951, of which 842 were built and were numbered 4658-5499 (BR then renumbered 44658-45499). Several members of the class survived to the last day of steam on British Railways in 1968, and eighteen are preserved.

LMS Stanier Class 5 4-6-0
No. 44949 at Manchester Victoria in 1968.
Type and origin
Power typeSteam
DesignerWilliam Stanier
Builder
Serial numberAW: 1166–1265, 1280–1506
VF: 4565–4614, 4618–4667
Build date1934–1951
Total produced842
Specifications
Configuration:
  Whyte4-6-0
  UIC2′C h2
Gauge4 ft 8+12 in (1,435 mm)
Leading dia.3 ft 3+12 in (1.003 m)
Driver dia.6 ft 0 in (1.829 m)
Length63 ft 7+34 in (19.40 m) or 63 ft 11+34 in (19.50 m)
Loco weight72.1 long tons (73.3 t; 80.8 short tons) to 75 long tons (76 t; 84 short tons)
Tender weight53.7 long tons (60.1 short tons; 54.6 t)
Fuel typeCoal
Fuel capacity9 long tons (9.1 t; 10 short tons)
Water cap.4,000 imp gal (18,000 L; 4,800 US gal)
Firebox:
  Grate area27+34 or 28+12 sq ft (2.58 or 2.65 m2) or 28.5 sq ft (2.65 m2)
BoilerLMS type 3B
Boiler pressure225 lbf/in2 (1.55 MPa) superheated
Heating surface:
  Tubes and flues1,426 to 1,479 sq ft (132.5 to 137.4 m2)
  Firebox156 or 171 sq ft (14.5 or 15.9 m2)
Superheater:
  Heating area228 to 365 sq ft (21.2 to 33.9 m2)
CylindersTwo, outside
Cylinder size18+12 in × 28 in (470 mm × 711 mm)
Valve gearMost Walschaerts; Several fitted with Caprotti; one fitted with outside Stephenson
Performance figures
Tractive effort25,455 lbf (113.23 kN)
Career
OperatorsLMS, BR
Power class
  • LMS: 5P5F
  • BR: 5MT
Axle load classBR: Route Availability 7
Withdrawn1961–1968
Disposition18 preserved, remainder scrapped
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