LMS Ivatt Class 2 2-6-0

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 0 in (0.914 m)
Driver dia.	5 ft 0 in (1.524 m)
Length	53 ft 1+3⁄4 in (16.20 m)
Loco weight	47.10 long tons (47.9 t; 52.8 short tons) (6400–64); 48.45 long tons (49.2 t) (remainder)
Tender weight	37.15 long tons (37.7 t; 41.6 short tons)
Fuel type	Coal
Fuel capacity	4 long tons (4.1 t; 4.5 short tons)
Water cap.	3,000 imp gal (14,000 L; 3,600 US gal)
Firebox:
• Grate area	17+1⁄2 sq ft (1.63 m2)
Boiler	LMS type 7
Boiler pressure	200 lbf/in2 (1.38 MPa)
Heating surface:
• Firebox	101 sq ft (9.4 m2)
• Tubes	924 sq ft (85.8 m2)
Superheater:;
• Heating area	134 sq ft (12.4 m2) or; 124 sq ft (11.5 m2)
Cylinders	Two, outside
Cylinder size	16 in × 24 in (406 mm × 610 mm)
Valve gear	Walschaerts

Type and origin
Type and origin
Power type	Steam
Designer	H. G. Ivatt
Builder	LMS & BR Crewe works; BR Darlington Works; BR Swindon Works;
Build date	1946–1953
Total produced	128

LMS Ivatt Class 2 2-6-0
LMS Ivatt Class 2 2-6-0
	46403 on the Midland Main Line near Souldrop in 1955.
Power type
Type and origin
Power type	Steam
Designer	H. G. Ivatt
Builder	LMS & BR Crewe works; BR Darlington Works; BR Swindon Works;
Build date	1946–1953
Total produced	128
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 0 in (0.914 m)
Driver dia.	5 ft 0 in (1.524 m)
Length	53 ft 1+3⁄4 in (16.20 m)
Loco weight	47.10 long tons (47.9 t; 52.8 short tons) (6400–64); 48.45 long tons (49.2 t) (remainder)
Tender weight	37.15 long tons (37.7 t; 41.6 short tons)
Fuel type	Coal
Fuel capacity	4 long tons (4.1 t; 4.5 short tons)
Water cap.	3,000 imp gal (14,000 L; 3,600 US gal)
Firebox:
• Grate area	17+1⁄2 sq ft (1.63 m2)
Boiler	LMS type 7
Boiler pressure	200 lbf/in2 (1.38 MPa)
Heating surface:
• Firebox	101 sq ft (9.4 m2)
• Tubes	924 sq ft (85.8 m2)
Superheater:;
• Heating area	134 sq ft (12.4 m2) or; 124 sq ft (11.5 m2)
Cylinders	Two, outside
Cylinder size	16 in × 24 in (406 mm × 610 mm)
Valve gear	Walschaerts
Tractive effort
Performance figures
Tractive effort	17,410–18,510 lbf (77.44–82.34 kN)
Operators
Career
Operators	London, Midland and Scottish Railway; British Railways;
Power class	LMS: 2F; BR: 2MT;
Numbers	LMS:6400–6419; BR: 46400–46527;
Nicknames	Mickey Mouse
Axle load class	BR: Route Availability 2
Withdrawn	1961–1967
	7 preserved, remainder scrapped

The London, Midland and Scottish Railway (LMS) Ivatt Class 2 2-6-0 is a class of steam locomotive designed for light mixed traffic.