GWR 6000 Class 6023 King Edward II

King Edward II
6023 King Edward II at Didcot Railway Centre in May 2013
Type and origin
Power typeSteam
DesignerCharles Collett
BuilderSwindon Works
Build dateJune 1930
Specifications
Configuration:
 • Whyte4-6-0
 • UIC2′C h4
Gauge4 ft 8+12 in (1,435 mm) standard gauge
Leading dia.3 ft 0 in (0.914 m)
Driver dia.6 ft 6 in (1.981 m)
Minimum curve8 chains (530 ft; 160 m) normal,
7 chains (460 ft; 140 m) slow
Length:
 • Over beams68 ft 2 in (20.78 m)
Width8 ft 11+12 in (2.73 m)
Height13 ft 4+34 in (4.08 m)
Axle load22 long tons 10 cwt (50,400 lb or 22.9 t) full
Adhesive weight67 long tons 10 cwt (151,200 lb or 68.6 t) full
Loco weight89 long tons 0 cwt (199,400 lb or 90.4 t) full
Tender weight46 long tons 14 cwt (104,600 lb or 47.4 t) full
Total weight135 long tons 14 cwt (304,000 lb or 137.9 t)
Fuel typeCoal
Fuel capacity6 long tons 0 cwt (13,400 lb or 6.1 t)
Water cap.4,000 imp gal (18,000 L; 4,800 US gal)
Boiler:
 • TypeGWR Number 12
Boiler pressure250 lbf/in2 (1.72 MPa)
Heating surface:
 • Firebox194 sq ft (18.0 m2)
 • Tubes2,008 sq ft (186.5 m2)
Superheater:
 • Heating area313 sq ft (29.1 m2)
CylindersFour, two inside, two outside
Cylinder size16.25 in × 28 in (413 mm × 711 mm)
Valve gearInside cylinders: Walschaerts
Outside cylinders: derived from inside cylinders via rocking bars
Performance figures
Tractive effort39,700 lbf (176.6 kN) currently
Career
OperatorsGreat Western Railway
British Railways
ClassGWR 6000 Class
Axle load classGWR: Double Red
LocaleWestern Region
DeliveredJune 1930
WithdrawnJune 1962
Current ownerDidcot Railway Centre
DispositionPreserved

Great Western Railway (GWR) 6000 Class 6023 King Edward II is a preserved steam locomotive.