LMS Fairburn 2-6-4T

Specifications
Specifications
Configuration:;
• Whyte	2-6-4T
• UIC	1′C2′ h2t
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 3+1⁄2 in (1.003 m)
Driver dia.	5 ft 9 in (1.753 m)
Trailing dia.	3 ft 3+1⁄2 in (1.003 m)
Wheelbase	37 ft 1 in (11.30 m)
Length	45 ft 9+3⁄4 in (13.96 m)
Loco weight	42050–42146: 84.70 long tons (86.06 t; 94.86 short tons); remainder: 85.25 long tons (86.62 t; 95.48 short tons)
Fuel type	Coal
Fuel capacity	3.5 long tons (3.6 t; 3.9 short tons)
Water cap.	42050–42146: 1,875 imp gal (8,520 L); remainder: 2,000 imp gal (9,100 L)
Firebox:
• Grate area	26+3⁄4 sq ft (2.49 m2)
Boiler	LMS type 4C
Boiler pressure	200 lbf/in2 (1.38 MPa)
Heating surface:
• Firebox	143 sq ft (13.3 m2)
• Tubes and flues	1,223 sq ft (113.6 m2)
Superheater:;
• Heating area	230 sq ft (21 m2)
Cylinders	Two, outside
Cylinder size	19+5⁄8 in × 26 in (498 mm × 660 mm)
Valve gear	Walschaerts

Type and origin
Type and origin
Power type	Steam
Designer	Charles E. Fairburn
Builder	LMS & BR Derby Works; BR Brighton Works;
Build date	1945–1951
Total produced	277

LMS Fairburn 2-6-4T
LMS Fairburn 2-6-4T
	42140 at Derby
Power type
Type and origin
Power type	Steam
Designer	Charles E. Fairburn
Builder	LMS & BR Derby Works; BR Brighton Works;
Build date	1945–1951
Total produced	277
Configuration:;
Specifications
Configuration:;
• Whyte	2-6-4T
• UIC	1′C2′ h2t
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 3+1⁄2 in (1.003 m)
Driver dia.	5 ft 9 in (1.753 m)
Trailing dia.	3 ft 3+1⁄2 in (1.003 m)
Wheelbase	37 ft 1 in (11.30 m)
Length	45 ft 9+3⁄4 in (13.96 m)
Loco weight	42050–42146: 84.70 long tons (86.06 t; 94.86 short tons); remainder: 85.25 long tons (86.62 t; 95.48 short tons)
Fuel type	Coal
Fuel capacity	3.5 long tons (3.6 t; 3.9 short tons)
Water cap.	42050–42146: 1,875 imp gal (8,520 L); remainder: 2,000 imp gal (9,100 L)
Firebox:
• Grate area	26+3⁄4 sq ft (2.49 m2)
Boiler	LMS type 4C
Boiler pressure	200 lbf/in2 (1.38 MPa)
Heating surface:
• Firebox	143 sq ft (13.3 m2)
• Tubes and flues	1,223 sq ft (113.6 m2)
Superheater:;
• Heating area	230 sq ft (21 m2)
Cylinders	Two, outside
Cylinder size	19+5⁄8 in × 26 in (498 mm × 660 mm)
Valve gear	Walschaerts
Tractive effort
Performance figures
Tractive effort	24,670 lbf (109.74 kN)
Operators
Career
Operators	London, Midland and Scottish Railway; British Railways;
Power class	LMS: 4P; BR: 4MT;
Withdrawn	1961–1967
Disposition	Two preserved, remainder scrapped

The London, Midland and Scottish Railway (LMS) Fairburn Tank 2-6-4T is a class of steam locomotive. They were designed by Charles E. Fairburn for the LMS. 277 of these locomotives were built between 1945 and 1951, numbered in the range 42050–42186, (4)2187–(4)2299, (4)2673–(4)2699.