GCR Class 8H information

Specifications
Specifications
Configuration:;
• Whyte	0-8-4T
• UIC	D2′ n3t, later D2′ h3t
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Driver dia.	4 ft 8 in (1.422 m)
Trailing dia.	3 ft 2 in (0.965 m)
Loco weight	S1/1: 99 long tons 6 cwt (222,400 lb or 100.9 t); S1/2: 99 long tons 2 cwt (222,000 lb or 100.7 t); S1/3: 99 long tons 1 cwt (221,900 lb or 100.6 t)
Fuel type	Coal
Boiler pressure	180 psi (1.24 MPa)
Cylinders	Three
Cylinder size	18 in × 26 in (457 mm × 660 mm)
Valve gear	Stephenson
Valve type	Slide valves

Type and origin
Type and origin
Power type	Steam
Designer	John G. Robinson
Build date	1907 (4), 1932 (2)
Total produced	6

Great Central Railway class 8H
Great Central Railway class 8H
	69901 at Dunford Bridge on the Woodhead Line in 1950
Power type
Type and origin
Power type	Steam
Designer	John G. Robinson
Build date	1907 (4), 1932 (2)
Total produced	6
Configuration:;
Specifications
Configuration:;
• Whyte	0-8-4T
• UIC	D2′ n3t, later D2′ h3t
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Driver dia.	4 ft 8 in (1.422 m)
Trailing dia.	3 ft 2 in (0.965 m)
Loco weight	S1/1: 99 long tons 6 cwt (222,400 lb or 100.9 t); S1/2: 99 long tons 2 cwt (222,000 lb or 100.7 t); S1/3: 99 long tons 1 cwt (221,900 lb or 100.6 t)
Fuel type	Coal
Boiler pressure	180 psi (1.24 MPa)
Cylinders	Three
Cylinder size	18 in × 26 in (457 mm × 660 mm)
Valve gear	Stephenson
Valve type	Slide valves
Tractive effort
Performance figures
Tractive effort	34,525 lbf (153.6 kN)
Operators
Career
Operators	Great Central Railway; → London and North Eastern Railway; → British Railways;
Class	GCR: 8H; LNER: S1;
Numbers	GCR: 1170–1173; LNER: 6170–6173; later 9900–9905; BR: 69900–69905;
Withdrawn	1955–1957
Disposition	All scrapped

The Great Central Railway Class 8H (LNER Class S1) was a class of 0-8-4T steam tank locomotives designed by John G. Robinson for hump shunting at Wath marshalling yard.

GCR Class 8H information

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