| LMS Stanier 0-4-4T | |
|---|---|
| Power type | Steam |
| Builder | LMS Derby Works |
| Build date | 1932–1933 |
| Total produced | 10 |
| Configuration | 0-4-4T |
| UIC classification | B2'nt |
| Gauge | 4 ft 8 1⁄2 in (1,435 mm) |
| Driver diameter | 67 in (1,700 mm) |
| Trailing wheel diameter |
39.5 in (1,000 mm) |
| Length | 35 ft 3 in (10.74 m) |
| Locomotive weight | 58.05 long tons (58.98 t) |
| Fuel type | Coal |
| Fuel capacity | 3 long tons (3.0 t) |
| Water capacity | 1,350 imp gal (6,100 l; 1,620 US gal) |
| Boiler | LMS type G6 |
| Boiler pressure | 160 psi (1.1 MPa) |
| Firegrate area | 17.5 sq ft (1.63 m2) |
| Heating surface: Tubes |
902 sq ft (83.8 m2) |
| Heating surface: Firebox |
104 sq ft (9.7 m2) |
| Superheater type | None |
| Cylinders | Two, inside |
| Cylinder size | 18 × 26 in (460 × 660 mm) |
| Valve gear | Stephenson, slide valves |
| Tractive effort | 17,100 lbf (76 kN) |
| Class | 2P |
| Number | LMS: 6400–6409 LMS: 1900–1909 from 1946 BR: 41900–41909 |
| Retired | 1959 (9), 1962 (1) |
| Disposition | All scrapped |
The London, Midland and Scottish Railway (LMS) Stanier 0-4-4T was a class of 10 light passenger locomotives built in 1932. Ostensibly designed under new CME William Stanier, they were in fact the last new design of the Midland Railway's school of engineering.
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The Midland Railway had a large number of 1P 0-4-4T and this was a larger version of the larger wheeled design, classified 2P. The ten built were numbered 6400–9 by the LMS and renumbered 1900–9 shortly before nationalisation, freeing the numbers for new LMS Ivatt Class 2 2-6-0s. British Railways adding 40000 to their numbers making them 41900–9. Although the last new Midland-style design, as subsequent Stanier engines incorporated much Great Western Railway practice, they were not the last MR-designed locomotives built with some 4Fs appearing as late as 1940.
The class was originally built with stovepipe chimneys, apparently due to an oversight by Stanier due to the design for future LMS locomotive chimneys not being finalised. All were later fitted with Stanier chimneys.
The locomotives were fitted with vacuum control gear for working motor trains. (Motor trains was the terminology used by the LMS although they later became popularly referred to as push-pull trains. The suitably modified stock was marked as pull-push).
| LMS 1932/3 No. | LMS 1946 No. | BR No. | Date built | Date motor gear fitted | Withdrawn |
|---|---|---|---|---|---|
| 6400 | 1900 | 41900 | 1932–12 | 1950–9 | 1962–3 |
| 6401 | 1901 | 41901 | 1932–12 | 1951–2 | 1959–11 |
| 6402 | 1902 | 41902 | 1932–12 | 1950–9 | 1959–11 |
| 6403 | 1903 | 41903 | 1932–12 | 1950–9 | 1959–11 |
| 6404 | 1904 | 41904 | 1932–12 | 1950–9 | 1959–11 |
| 6405 | 1905 | 41905 | 1932–11 | 1951–1 | 1959–11 |
| 6406 | 1906 | 41906 | 1932–12 | 1957–3 | 1959–11 |
| 6407 | 1907 | 41907 | 1932–12 | 1951–3 | 1959–11 |
| 6408 | 1908 | 41908 | 1932–12 | 1934–7 | 1959–11 |
| 6409 | 1909 | 41909 | 1933–1 | 1934–3 | 1959–11 |
All were withdrawn in 1959 except 41900 which went in 1962. None was preserved.
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