| LMS Ivatt Class 2 2-6-2T |
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41231 at Wellington Locomotive Depot in April 1960 |
| Type and origin |
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| Power type | Steam |
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| Designer | H. G. Ivatt |
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| Builder | |
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| Build date | 1946–1952 |
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| Total produced | 130 |
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| Specifications |
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Configuration:
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| • Whyte | 2-6-2T |
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| • UIC | 1′C1′ h2t |
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| Gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
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| Leading dia. | 3 ft 0 in (0.914 m) |
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| Driver dia. | 5 ft 0 in (1.524 m) |
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| Trailing dia. | 3 ft 0 in (0.914 m) |
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| Wheelbase | 30 ft 3 in (9.22 m) |
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| Length | 38 ft 9+1⁄2 in (11.82 m) |
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| Loco weight | 63.25 long tons (64.3 t; 70.8 short tons)
41290–41329: 65.20 long tons (66.2 t; 73.0 short tons) |
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| Fuel type | Coal |
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| Fuel capacity | 3 long tons (3.05 t; 3.36 short tons) |
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| Water cap. | 1,350 imp gal (6,100 L; 1,620 US gal) |
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| Firebox: | |
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| • Grate area | 17.5 sq ft (1.63 m2) |
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| Boiler | LMS type 7 |
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| Boiler pressure | 200 lbf/in2 (1.38 MPa) |
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| Heating surface: | |
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| • Firebox | 101 sq ft (9.4 m2) |
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| • Tubes and flues | 924 sq ft (85.8 m2) |
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Superheater:
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| • Heating area | 134 sq ft (12.4 m2) or
124 sq ft (11.5 m2) |
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| Cylinders | Two, outside |
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| Cylinder size | 16 in × 26 in (406 mm × 660 mm) |
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| Career |
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| Operators | |
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| Power class | - LMS: 2P
- BR: 2MT
- BR (SR): 2P/2FA
|
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| Nicknames | Mickey Mouse Tanks |
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| Axle load class | BR: Route Availability 1 |
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| Withdrawn | 1962–1967 |
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| Disposition | Four preserved, remainder scrapped |
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The London, Midland and Scottish Railway (LMS) Ivatt Class 2 2-6-2T is a class of light 'mixed-traffic' steam locomotive introduced in 1946.
