LMS Hughes Crab

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LMS Hughes Crab
Type and origin Power type Steam Designer George Hughes Builder LMS Horwich Works (70), Crewe Works (175) Build date 1926–1932 Total produced 245
Specifications Configuration: ​  • Whyte 2-6-0  • UIC 1′C h2 Gauge 4 ft 8+1⁄2 in (1,435 mm) standard gauge Leading dia. 3 ft 6+1⁄2 in (1.080 m) Driver dia. 5 ft 6 in (1.676 m) Length 59 ft 3+7⁄8 in (18.082 m) Loco weight 66 long tons (67 t; 74 short tons) Fuel type Coal Fuel capacity 5 long tons (5.1 t; 5.6 short tons) Water cap. 3,500 imp gal (16,000 L; 4,200 US gal) Firebox: ​  • Grate area 27.5 sq ft (2.55 m2) Boiler LMS type G9HS Boiler pressure 180 lbf/in2 (1.24 MPa) Heating surface: ​  • Firebox 160 sq ft (15 m2)  • Tubes 1,361 sq ft (126.4 m2), later 1,345 sq ft (125.0 m2) Superheater: ​  • Heating area 307 sq ft (28.5 m2) Cylinders Two, outside Cylinder size 21 in × 26 in (533 mm × 660 mm)
Performance figures Tractive effort 26,580 lbf (118.23 kN)
Career Operators London, Midland and Scottish Railway British Railways Power class LMS: 4 later 5P4F, later 5P5F,[a] 6P5F, later 5MT Numbers LMS 13000–13244, renumbered 2700–2944 in 1934, BR 42700–42944 Nicknames Crab Withdrawn 1961–1967 Disposition 3 preserved, remainder scrapped

The London, Midland and Scottish Railway (LMS) Hughes Crab or Horwich Mogul is a class of mixed-traffic 2-6-0 steam locomotive built between 1926 and 1932.^[2] They are noted for their appearance with large steeply-angled cylinders to accommodate a restricted loading gauge.

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