LNER Thompson Class B1 (6)1264

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LNER 61264
61264 in British Railways livery at Scarborough in 2004 after working the "Scarborough Spa Express.
Type and origin Power type Steam Designer Edward Thompson Builder North British Locomotive Company, Glasgow Order number L963 Serial number 26165 Build date December 1947
Specifications Configuration: ​  • Whyte 4-6-0  • UIC 2′C h2 Gauge 4 ft 8+1⁄2 in (1,435 mm) Leading dia. 3 ft 2 in (0.965 m) Driver dia. 6 ft 2 in (1.880 m) Loco weight 71 long tons 3 cwt (159,400 lb or 72.3 t) Fuel type Coal Water cap. 4,000 imp gal (18,000 L; 4,800 US gal) Boiler LNER diagram 100A Boiler pressure 225 psi (1.55 MPa) Cylinders Two (outside) Cylinder size 20 in × 26 in (508 mm × 660 mm) Valve gear Walschaerts Valve type 10-inch (254 mm) piston valves
Performance figures Tractive effort 26,878 lbf (119.56 kN)
Career Operators British Railways Power class 5MT Axle load class Route Availability 5 Withdrawn November 1965 Current owner Thompson B1 Locomotive Trust Disposition Awaiting Overhaul

London and North Eastern Railway (LNER) Thompson Class B1 No. 1264, (later British Railways No. 61264, and Departmental No. 29) is a preserved British steam locomotive.