For other GWR engine classes called 'County', see GWR County Class.
GWR 3800 'County' Class
3818 County of Radnor
Type and origin
Power type
Steam
Designer
George Jackson Churchward
Builder
Swindon Works, Great Western Railway
Order number
Lots 149, 165, 184
Serial number
2056–2065, 2209–2228, 2415–2425
Build date
1904, 1906, 1911–12
Total produced
40
Specifications
Configuration:
• Whyte
4-4-0
Gauge
4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.
3 ft 2 in (965 mm)
Driver dia.
6 ft 8+1⁄2 in (2,045 mm)
Wheelbase
24 ft 0 in (7,315 mm)
Axle load
18.15 long tons (18.44 t; 20.33 short tons)
Adhesive weight
34.3 long tons (34.85 t; 38.42 short tons)
Loco weight
55.3 long tons (56.19 t; 61.94 short tons)
Tender weight
36.75 long tons (37.34 t; 41.16 short tons)
Total weight
92.05 long tons (93.53 t; 103.10 short tons)
Fuel type
Coal
Water cap.
3,000 imp gal (13,638 L; 3,603 US gal)
Firebox:
• Grate area
20.56 sq ft (1.91 m2)
Boiler
GWR Standard No. 4
Boiler pressure
200 psi (1,379 kPa)
Heating surface:
• Firebox
128.30 sq ft (11.92 m2)
• Tubes
1,689.82 sq ft (156.99 m2)
• Total surface
1,818.12 sq ft (168.91 m2)
Cylinders
2, outside
Cylinder size
18 in × 30 in (457 mm × 762 mm) diameter x stroke
Valve gear
Stephenson
Performance figures
Tractive effort
20,530 lbf (91 kN)
Career
Operators
Great Western Railway
Class
3800
Power class
GWR: C
Number in class
40
Numbers
3473–82, 3801–30 until Dec 1912 3800–39 from December 1912
Official name
County
Nicknames
Churchward's Rough Riders
Axle load class
GWR: Red
Withdrawn
1930–33
Disposition
All original locomotives scrapped; one new-build under construction
Dimensions as built[1]
The Great Western Railway 3800 Class, also known as the County Class, were a class of 4-4-0 steam locomotives for express passenger train work introduced in 1904 in a batch of ten. Two more batches followed in 1906 and 1912 with minor differences. They were designed by George Jackson Churchward, who used standard components to produce a four-coupled version of his Saint Class 4-6-0s.
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