GWR 4300 Class

Specifications
Specifications
Configuration:;
• Whyte	2-6-0
• UIC	1′C h2
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 2 in (0.965 m)
Driver dia.	5 ft 8 in (1.727 m)
Minimum curve	6 chains (400 ft; 120 m) normal,; 5 chains (330 ft; 100 m) slow
Length	58 ft 1+1⁄4 in (17.71 m)
Width	8 ft 11 in (2.718 m)
Height	13 ft 0 in (3.962 m)
Axle load	17.60 long tons (17.88 t; 19.71 short tons)
Adhesive weight	52 long tons 0 cwt (116,500 lb or 52.8 t); (52.8 t; 58.2 short tons)
Loco weight	62 long tons 0 cwt (138,900 lb or 63 t); (63.0 t; 69.4 short tons)
Tender weight	40 long tons 0 cwt (89,600 lb or 40.6 t); (40.6 t; 44.8 short tons)
Fuel capacity	7 long tons 0 cwt (15,700 lb or 7.1 t); (7.1 t; 7.8 short tons)
Water cap.	3,500 imp gal (16,000 L; 4,200 US gal)
Firebox:
• Grate area	20.56 sq ft (1.910 m2)
Boiler	GWR Standard No. 4
Boiler pressure	200 psi (1.38 MPa)
Heating surface:
• Firebox	128.72 sq ft (11.958 m2)
• Tubes	1,349.64 sq ft (125.386 m2)
Superheater:;
• Heating area	191.88 sq ft (17.826 m2)
Cylinders	Two, outside
Cylinder size	18+1⁄2 in × 30 in (470 mm × 762 mm)

Type and origin
Type and origin
Power type	Steam
Builder	GWR Swindon Works (307); Robert Stephenson & Co. (35);
Order number	Lots 183, 193, 194, 198, 202, 204–209, 211, 212, 218, 222, 230, 276
Serial number	Swindon: 2396–2415, 2516–2535, 2552–2571, 2612–2631, 2652–2761, 2790–2841, 2887–2906; RS&C: 3802–3836;
Build date	1911–1932
Total produced	342

Great Western Railway 4300 Class
Great Western Railway 4300 Class
	6304 at Over Junction, Gloucester, in 1962
Power type
Type and origin
Power type	Steam
Builder	GWR Swindon Works (307); Robert Stephenson & Co. (35);
Order number	Lots 183, 193, 194, 198, 202, 204–209, 211, 212, 218, 222, 230, 276
Serial number	Swindon: 2396–2415, 2516–2535, 2552–2571, 2612–2631, 2652–2761, 2790–2841, 2887–2906; RS&C: 3802–3836;
Build date	1911–1932
Total produced	342
Configuration:;
Specifications
Configuration:;
• Whyte	2-6-0
• UIC	1′C h2
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 2 in (0.965 m)
Driver dia.	5 ft 8 in (1.727 m)
Minimum curve	6 chains (400 ft; 120 m) normal,; 5 chains (330 ft; 100 m) slow
Length	58 ft 1+1⁄4 in (17.71 m)
Width	8 ft 11 in (2.718 m)
Height	13 ft 0 in (3.962 m)
Axle load	17.60 long tons (17.88 t; 19.71 short tons)
Adhesive weight	52 long tons 0 cwt (116,500 lb or 52.8 t); (52.8 t; 58.2 short tons)
Loco weight	62 long tons 0 cwt (138,900 lb or 63 t); (63.0 t; 69.4 short tons)
Tender weight	40 long tons 0 cwt (89,600 lb or 40.6 t); (40.6 t; 44.8 short tons)
Fuel capacity	7 long tons 0 cwt (15,700 lb or 7.1 t); (7.1 t; 7.8 short tons)
Water cap.	3,500 imp gal (16,000 L; 4,200 US gal)
Firebox:
• Grate area	20.56 sq ft (1.910 m2)
Boiler	GWR Standard No. 4
Boiler pressure	200 psi (1.38 MPa)
Heating surface:
• Firebox	128.72 sq ft (11.958 m2)
• Tubes	1,349.64 sq ft (125.386 m2)
Superheater:;
• Heating area	191.88 sq ft (17.826 m2)
Cylinders	Two, outside
Cylinder size	18+1⁄2 in × 30 in (470 mm × 762 mm)
Tractive effort
Performance figures
Tractive effort	25,670 lbf (114.19 kN)
Operators
Career
Operators	Great Western Railway,; British Railways
Power class	GWR: D; BR: 4MT
Numbers	4300–4399, 5300–5399, 6300–6399, 7300–7321, 9300–9319
Axle load class	GWR: 4300–7300s Blue; 8300–9300s: Red
Locale	Great Britain
First run	1911
Withdrawn	1936–1964
Disposition	Two preserved, remainder scrapped

The Great Western Railway (GWR) 4300 Class is a class of 2-6-0 (mogul) steam locomotives, designed by G.J. Churchward for mixed traffic duties. 342 were built from 1911–1932.