GWR 4200 Class

Specifications
Specifications
Configuration:;
• Whyte	2-8-0T
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 2 in (965 mm)
Driver dia.	4 ft 7+1⁄2 in (1,410 mm)
Minimum curve	2 chains (130 ft; 40 m)
Length	40 ft 9 in (12.421 m)
Width	8 ft 11 in (2.718 m)
Height	12 ft 10+1⁄16 in (3.913 m)
Loco weight	81 long tons 12 cwt (182,800 lb or 82.9 t); (82.9 t; 91.4 short tons)
Fuel type	Coal
Fuel capacity	4 long tons (4.1 t; 4.5 short tons)
Water cap.	1,800 imp gal (8,200 L; 2,200 US gal)
Boiler	GWR Standard No. 4
Boiler pressure	200 psi (1.38 MPa)
Cylinders	two outside
Cylinder size	18+1⁄2 in × 30 in (470 mm × 762 mm)

GWR 4200 Class
GWR 4200 Class
	4270 at Arley on the Severn Valley Railway in 2016
Power type
Type and origin
Power type	Steam
Designer	G. J. Churchward
Builder	GWR
Order number	Lots 182, 187, 196, 200, 203, 213, 220
Build date	1910–1923
Total produced	105
Configuration:;
Specifications
Configuration:;
• Whyte	2-8-0T
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 2 in (965 mm)
Driver dia.	4 ft 7+1⁄2 in (1,410 mm)
Minimum curve	2 chains (130 ft; 40 m)
Length	40 ft 9 in (12.421 m)
Width	8 ft 11 in (2.718 m)
Height	12 ft 10+1⁄16 in (3.913 m)
Loco weight	81 long tons 12 cwt (182,800 lb or 82.9 t); (82.9 t; 91.4 short tons)
Fuel type	Coal
Fuel capacity	4 long tons (4.1 t; 4.5 short tons)
Water cap.	1,800 imp gal (8,200 L; 2,200 US gal)
Boiler	GWR Standard No. 4
Boiler pressure	200 psi (1.38 MPa)
Cylinders	two outside
Cylinder size	18+1⁄2 in × 30 in (470 mm × 762 mm)
Tractive effort
Performance figures
Tractive effort	31,450 lbf (139,900 N)
Power class
Career
Power class	GWR: D ; BR: 7F
Numbers	4200–4299, 5200–5204
Axle load class	GWR: Red
Locale	Great Western Railway,; British Railways
Withdrawn	1937–1939, 1959–1965
Disposition	14 rebuilt as 7200 Class; 5 preserved; remainder scrapped