LNER Class A4 4498 Sir Nigel Gresley

Specifications
Specifications
Configuration:;
• Whyte	4-6-2
• UIC	2'C1h3
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 2 in (0.965 m)
Driver dia.	6 ft 8 in (2.032 m)
Trailing dia.	3 ft 8 in (1.118 m)
Boiler pressure	250 psi (1.72 MPa)
Cylinders	Three
Cylinder size	18.5 in × 26 in (470 mm × 660 mm)
Loco brake	Steam
Train brakes	LNER/BR: Vacuum; Now: Dual air and Vacuum

*Sir Nigel Gresley*
Sir Nigel Gresley
	60007 at the Barrow Hill Roundhouse in April 2009
Power type
Type and origin
Power type	Steam
Designer	Nigel Gresley
Builder	Doncaster Works
Serial number	1863
Build date	30 October 1937
Configuration:;
Specifications
Configuration:;
• Whyte	4-6-2
• UIC	2'C1h3
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 2 in (0.965 m)
Driver dia.	6 ft 8 in (2.032 m)
Trailing dia.	3 ft 8 in (1.118 m)
Boiler pressure	250 psi (1.72 MPa)
Cylinders	Three
Cylinder size	18.5 in × 26 in (470 mm × 660 mm)
Loco brake	Steam
Train brakes	LNER/BR: Vacuum; Now: Dual air and Vacuum
Tractive effort
Performance figures
Tractive effort	35,455 lbf (157.7 kN)
Operators
Career
Operators	London & North Eastern Railway; British Railways
Class	A4
Numbers	LNER 4498,; LNER 7 (from 1946),; BR 60007 (from 1948)
Official name	Sir Nigel Gresley
Withdrawn	1 February 1966
Restored	1967
Current owner	Sir Nigel Gresley Locomotive Preservation Trust
Disposition	Operational, mainline certified

60007 Sir Nigel Gresley is an LNER Class A4 4-6-2 ("Pacific") steam locomotive built at Doncaster Works in 1937 to a design of Sir Nigel Gresley for operation on the London and North Eastern Railway (LNER). The locomotive holds the post-war speed record for steam locomotives on British Railways. The locomotive was withdrawn from service in 1966 and purchased for preservation the same year; it is one of six A4s to be preserved.