Preserved British 4-6-2 locomotive
LMS Princess Coronation Class 6233 Duchess of Sutherland Specifications Configuration: • Whyte 4-6-2 • UIC 2'C1'h Gauge 4 ft 8+ 1 ⁄2 in (1,435 mm ) standard gauge Leading dia. 36 in (910 mm) Driver dia.81 in (2,060 mm) Trailing dia. 45 in (1,140 mm) Length 10+ 1 ⁄4 in (22.51 m) (conventional),9+ 3 ⁄4 in (22.50 m) (streamlined)Loco weight 105.25 long tons (106.94 t; 117.88 short tons) (conventional), Tender weight 56.35 long tons (57.25 t; 63.11 short tons) Fuel type Coal Fuel capacity 10 long tons (10.2 t; 11.2 short tons) Water cap. 4,000 imp gal (18,000 L; 4,800 US gal) Firebox: • Grate area 50 sq ft (4.6 m2 ) Boiler LMS type 1X Boiler pressure 250 psi (1.7 MPa ) superheated Heating surface: • Firebox 230 sq ft (21 m2 ) • Tubes 2,577 sq ft (239.4 m2 ) Superheater: • Heating area 822–856 sq ft (76.4–79.5 m2 ) Cylinders 4 Cylinder size 16+ 1 ⁄2 in × 28 in (419 mm × 711 mm)Valve gear Walschaerts for outside cylinders with rocking shafts for inside cylinders,Valve type piston valves
LMS Princess Coronation Class 46233 Duchess of Sutherland is a steam locomotive built in 1938 for the London, Midland and Scottish Railway (LMS) at Crewe Works to a design by William Stanier . It is a 4-6-2 Pacific locomotive built as part of the LMS Coronation Class for its express passenger services, including the Royal Scot service from London to Glasgow .
Withdrawn by British Railways in 1964, the locomotive was originally sold to Butlins holiday camp in Scotland . In 1996, the locomotive was acquired by The Princess Royal Class Locomotive Trust with the intention of restoration to mainline condition. In 2001, 46233 was restored to operating condition and since then has been a regular performer on the national network.
