No. 1532 at Croes Newydd Depot, 1947. This was built as a standard saddle-tank in 1879, and acquired its panniers in 1921
Type and origin
Power type
Steam
Designer
George Armstrong
Builder
GWR Wolverhampton Works
Build date
1872-1881
Total produced
108
Specifications
Configuration:
• Whyte
0-6-0ST
Gauge
4 ft 8+1⁄2 in (1,435 mm) standard gauge
Driver dia.
4 ft 6 in (1.372 m) see text for variations
Fuel type
Coal
Cylinders
two
Cylinder size
16 in × 24 in (406 mm × 610 mm) see text for variations
Career
Operators
South Wales Mineral Railway Carmarthen and Cardigan Railway Great Western Railway British Railways
Retired
1928-1949
Disposition
All scrapped
The GWR 645 Class was a class of 0-6-0ST designed by George Armstrong and built at the Wolverhampton railway works of the Great Western Railway (GWR).[1] Thirty-six were constructed between 1872-3, of which three were built for the South Wales Mineral Railway (SWMR), two for the Carmarthen and Cardigan Railway (C&CR) and the remainder for the GWR.[2] In essence, they were saddle tank versions of his GWR 633 Class of 1871.[1] From 1878, a further 72 of the class, partially enlarged, were added in the 1501 numbering sequence. Unlike the originals, the "1501"s had full-length saddle tanks from the start.
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