GWR 1000 Class

Specifications
Specifications
Configuration:;
• Whyte	4-6-0
• UIC	2'Ch2
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 0 in (914 mm)
Driver dia.	6 ft 3 in (1,905 mm)
Minimum curve	8 chains (528 ft; 161 m) normal,; 7 chains (462 ft; 141 m) slow
Length	63 ft 0+1⁄4 in (19.21 m)
Width	8 ft 11+1⁄8 in (2.721 m)
Height	13 ft 5 in (4.089 m)
Axle load	19 long tons 14 cwt (44,100 lb or 20 t) (22.1 short tons) full
Adhesive weight	59 long tons 2 cwt (132,400 lb or 60 t) (66.2 short tons) full
Loco weight	76 long tons 17 cwt (172,100 lb or 78.1 t) (86.1 short tons)full
Tender weight	49 long tons 0 cwt (109,800 lb or 49.8 t) (54.9 short tons) full
Fuel type	Coal
Fuel capacity	7 long tons 0 cwt (15,700 lb or 7.1 t) (7.8 short tons)
Water cap.	4,000 imp gal (18,000 L; 4,800 US gal)
Firebox:
• Grate area	28.84 sq ft (2.679 m2)
Boiler	GWR Standard No. 15
Boiler pressure	280 psi (1.93 MPa) later reduced to 250 psi (1.72 MPa)
Heating surface:
• Firebox	169.0 sq ft (15.70 m2)
• Tubes and flues	1,545.0 sq ft (143.54 m2)
Superheater:;
• Heating area	254.0 sq ft (23.60 m2)
Cylinders	Two, outside
Cylinder size	18.5 in × 30 in (470 mm × 762 mm)
Valve gear	Stephenson
Valve type	piston valves

Type and origin
Type and origin
Power type	Steam
Designer	Frederick Hawksworth
Builder	GWR Swindon Works
Order number	Lots 354, 358
Build date	August 1945 – April 1947
Total produced	30

GWR 1000 "County" class
GWR 1000 "County" class
	1013 County of Dorset at Gloucester Eastgate railway station, 1953.
Power type
Type and origin
Power type	Steam
Designer	Frederick Hawksworth
Builder	GWR Swindon Works
Order number	Lots 354, 358
Build date	August 1945 – April 1947
Total produced	30
Configuration:;
Specifications
Configuration:;
• Whyte	4-6-0
• UIC	2'Ch2
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 0 in (914 mm)
Driver dia.	6 ft 3 in (1,905 mm)
Minimum curve	8 chains (528 ft; 161 m) normal,; 7 chains (462 ft; 141 m) slow
Length	63 ft 0+1⁄4 in (19.21 m)
Width	8 ft 11+1⁄8 in (2.721 m)
Height	13 ft 5 in (4.089 m)
Axle load	19 long tons 14 cwt (44,100 lb or 20 t) (22.1 short tons) full
Adhesive weight	59 long tons 2 cwt (132,400 lb or 60 t) (66.2 short tons) full
Loco weight	76 long tons 17 cwt (172,100 lb or 78.1 t) (86.1 short tons)full
Tender weight	49 long tons 0 cwt (109,800 lb or 49.8 t) (54.9 short tons) full
Fuel type	Coal
Fuel capacity	7 long tons 0 cwt (15,700 lb or 7.1 t) (7.8 short tons)
Water cap.	4,000 imp gal (18,000 L; 4,800 US gal)
Firebox:
• Grate area	28.84 sq ft (2.679 m2)
Boiler	GWR Standard No. 15
Boiler pressure	280 psi (1.93 MPa) later reduced to 250 psi (1.72 MPa)
Heating surface:
• Firebox	169.0 sq ft (15.70 m2)
• Tubes and flues	1,545.0 sq ft (143.54 m2)
Superheater:;
• Heating area	254.0 sq ft (23.60 m2)
Cylinders	Two, outside
Cylinder size	18.5 in × 30 in (470 mm × 762 mm)
Valve gear	Stephenson
Valve type	piston valves
Tractive effort
Performance figures
Tractive effort	32,580 lbf (144.92 kN), later reduced to 29,090 lbf (129.40 kN)
Operators
Career
Operators	Great Western Railway; British Railways
Class	GWR: 1000
Power class	GWR: D; BR: 6MT
Numbers	1000–1029
Axle load class	GWR: Red
Retired	September 1962 – November 1964
Disposition	All original locomotives scrapped; replica under construction

The Great Western Railway 1000 Class or County Class was a class of 4-6-0 steam locomotive. Thirty examples were built between 1945 and 1947, but all were withdrawn and scrapped in the early 1960s. A replica locomotive is under construction.

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