LNWR Class A

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LNWR Class A
No. 50 in photographic grey livery
Type and origin Power type Steam Designer F.W. Webb Builder LNWR at Crewe Works Build date 1893–1900 Total produced 111
Specifications Configuration: ​  • Whyte 0-8-0  • UIC D n3vG Gauge 4 ft 8+1⁄2 in (1,435 mm) Driver dia. 4 ft 8 in (1.42 m) Wheelbase 17 ft 3 in (5.26 m) Loco weight 50 long tons 0 cwt (112,000 lb or 50.8 t) Fuel type Coal Boiler pressure 175 psi (1.21 MPa) Heating surface 1,489 sq ft (138.3 m2) Cylinders Three, compound High-pressure cylinder (2 outside) 15 by 24 inches (380 mm × 610 mm) Low-pressure cylinder (1 inside) 30 by 24 inches (760 mm × 610 mm) Valve gear Stephenson link motion
Career Operators London and North Western Railway Disposition 15 rebuilt to Class C 1904–06 62 rebuilt to Class D 1906–09 34 rebuilt to Class C1 1909–12

The London and North Western Railway (LNWR) Class A was a class of 0-8-0 steam locomotives. From 1893 to 1900, Crewe Works built 111 of these engines, which had a three-cylinder compound arrangement, and were designed by Francis Webb. According to the LNWR Society, 110 were built between 1894 and 1900.^[1]