GWR 7200 Class

GWR 7200 Class
7248 in 1962
Type and origin
Power typeSteam
DesignerCharles Collett (Rebuilds)
Order number
  • Lot 266 (7200–7219)
  • Lot 233 (7220–7239)
  • Lot 318 (7240–7253)
RebuilderGWR Swindon Works
Rebuild dateJuly 1934–December 1939
Number rebuilt54
Specifications
Configuration:
  Whyte2-8-2T
  UIC1′D1′ h2t
Gauge4 ft 8+12 in (1,435 mm) standard gauge
Leading dia.3 ft 2 in (0.965 m)
Driver dia.4 ft 7+12 in (1.410 m)
Trailing dia.3 ft 8 in (1.12 m)
Length44 ft 10 in (13.67 m)
Width8 ft 11 in (2.72 m)
Height12 ft 10+116 in (3.91 m)
Loco weight92 long tons 12 cwt (207,400 lb or 94.1 t) (103.7 short tons)
Fuel typeCoal
Fuel capacity
  • Standard bunker: 6 long tons (6.1 t; 6.7 short tons)
  • Coal Scuttle' bunker: 5 long tons (5.6 short tons; 5.1 t)
Water cap.
  • Standard bunker: 2,400 imp gal (11,000 L; 2,900 US gal)
  • Coal Scuttle' bunker: 2,700 imp gal (12,000 L; 3,200 US gal)
Firebox:
  Grate area20.56 sq ft (1.910 m2)
BoilerGWR Standard No. 4
Boiler pressure200 lbf/in2 (1.38 MPa)
Heating surface:
  Firebox128.72 sq ft (11.958 m2)
  Tubes and flues1,349.64 sq ft (125.386 m2)
Superheater:
  Heating area191.79 sq ft (17.818 m2)
CylindersTwo, outside
Cylinder size19 in × 30 in (483 mm × 762 mm)
Valve gearStephenson
Valve typePiston valves
Performance figures
Tractive effort33,170 lbf (147.5 kN)
Career
OperatorsGWR » BR
Class7200
Power classGWR: E
BR: 8F
Number in class30
Axle load classRed
Withdrawn1962–1965
DispositionThree under restoration, remainder scrapped

The Great Western Railway (GWR) 7200 Class is a class of 2-8-2T steam locomotive. They were the only 2-8-2Ts built and used by a British railway, and the largest tank engines to run on the Great Western Railway.