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GWR 655 Class
2701 outside Swindon Works, 1947
Type and origin
Power type
Steam
Designer
George Armstrong
Builder
Wolverhampton, GWR[1]
Order number
Lots: A3, B3, E3[1]
Serial number
Works Nos: 563–74, 575–94, 605–24[1]
Build date
1892 (1892)–97[1]
Total produced
52[1]
Specifications
Configuration:
• Whyte
0-6-0ST[1]
Gauge
4 ft 8+1⁄2 in (1,435 mm) standard gauge
Driver dia.
4 ft 6 in (1.372 m)[2]
Wheelbase
7 ft 3 in (2.21 m) + 8 ft 4 in (2.54 m), total 15 ft 6 in (4.72 m)[2]
Frame type
Type: Inside
Length: 26 ft 6 in (8.08 m)[3]
Axle load
(1741) 13 long tons 18 cwt (31,100 lb or 14.1 t) 14.1 t; 15.6 short tons full[2]
(2701) 14 long tons 6 cwt (32,000 lb or 14.5 t) 14.5 t; 16.0 short tons full[2]
Loco weight
(1741) 41 long tons 4 cwt (92,300 lb or 41.9 t) 41.9 t; 46.1 short tons full[2]
(2701) 42 long tons 5 cwt (94,600 lb or 42.9 t) 42.9 t; 47.3 short tons full[2]
Fuel type
Coal
Water cap.
1,000 imp gal (4,500 L; 1,200 US gal)[2]
Firebox:
• Grate area
15.16 sq ft (1.408 m2)[2]
Boiler
Barrel: 10 ft 6 in (3.20 m)
Outside diameter: 4 ft 2 in (1.270 m)
Pitch: 6 ft 4+3⁄4 in (1.949 m)[2]
Boiler pressure
140 lbf/in2 (0.97 MPa)[2]
Heating surface:
• Firebox
103 sq ft (9.6 m2)[2]
• Tubes
1,125 sq ft (104.5 m2)[2]
• Total surface
1,228 sq ft (114.1 m2)[2]
Cylinders
Two, inside
Cylinder size
Diameter: 17 in (432 mm)
Stroke: 24 in (610 mm)[2]
Loco brake
Steam[a]
Performance figures
Tractive effort
15,285 lbf (67.99 kN)[2]
Career
Operators
GWR
Class
GWR 655
Numbers
655, 767, 1741–50, 1771–90, 2701–20[1]
Locale
Primarily GWR Northern division[5]
Withdrawn
1928 (1928)–50[6]
Class 655 of the Great Western Railway was a class of 52 0-6-0ST locomotives designed by George Armstrong and built at the GWR's Wolverhampton Works.
^ abcdefgle Fleming 1958, p. E40.
^ abcdefghijklmnole Fleming 1958, p. E41.
^le Fleming 1958, p. E5.
^le Fleming 1958, p. E11.
^le Fleming 1958, p. E42.
^le Fleming 1958, pp. E42–E50.
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