GWR 1101 Class

The GWR 1101 Class was a class of 0-4-0T side tank steam locomotives built by the Avonside Engine Company to the order of the Great Western Railway in 1926 for dock shunting.

GWR 1101 Class
No. 1105 at Danygraig Depot 1946
Type and origin
Power typeSteam
DesignerCharles Collett
BuilderAvonside Engine Company
Order numberGWR lot 246
Serial number1987–1992
Build date1926
Total produced6
Specifications
Configuration:
​
 • Whyte0-4-0T
 • UICB n2t
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
Driver dia.3 ft 9+1⁄2 in (1.156 m)
Wheelbase6 ft 6 in (1.98 m)
Length25 ft 5+1⁄2 in (7.76 m) over buffers
Width8 ft 8 in (2.642 m)
Height11 ft 10 in (3.607 m)
Axle load19 long tons 8 cwt (43,500 lb or 19.7 t)
(21.7 short tons) full
Loco weight38 long tons 4 cwt (85,600 lb or 38.8 t)
(42.8 short tons) full
Fuel typeCoal
Water cap.1,000 imp gal (4,500 L; 1,200 US gal)
Firebox:​
 • Grate area12.5 sq ft (1.16 m2)
Boiler pressure170 lbf/in2 (1.17 MPa)
Heating surface864 sq ft (80.3 m2) ​
 • Tubes788 sq ft (73.2 m2)
 • Firebox76 sq ft (7.1 m2)
CylindersTwo, outside
Cylinder size16 in × 24 in (406 mm × 610 mm)
Performance figures
Tractive effort19,510 lbf (86.8 kN)
Career
OperatorsGWR » BR
Power classGWR: B
Numbers1101–1106
Axle load classGWR: Red
Withdrawn1959–1960
DispositionAll scrapped
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