LMS Hughes Crab

Specifications
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)

Type and origin
Type and origin
Power type	Steam
Designer	George Hughes
Builder	LMS Horwich Works (70),; Crewe Works (175);
Build date	1926–1932
Total produced	245

LMS Hughes Crab
LMS Hughes Crab
Power type
Type and origin
Power type	Steam
Designer	George Hughes
Builder	LMS Horwich Works (70),; Crewe Works (175);
Build date	1926–1932
Total produced	245
Configuration:;
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)
Tractive effort
Performance figures
Tractive effort	26,580 lbf (118.23 kN)
Operators
Career
Operators	London, Midland and Scottish Railway; British Railways;
Power class	LMS: 4 later 5P4F, later 5P5F, 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Withdrawn	1961–1967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. They are noted for their appearance with large steeply-angled cylinders to accommodate a restricted loading gauge.

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