LMS diesel shunter 1831
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This was the original experimental shunter, nominally rebuilt by the Midland Railway's Derby Works from a 1377 Class 0-6-0T steam locomotive originally built in September 1892 by the Vulcan Foundry, whose number it inherited (1831), though very little of the steam locomotive was actually re-used. Of itself, it was not very successful, but it did provide useful data for the further development of the diesel shunter design. It was withdrawn from service in September 1939 and converted to a mobile power unit, emerging in its new guise as MPU3 in November 1940. It was scrapped in the 1950s, though sources disagree exactly when.
| LMS 1831 | ||
|---|---|---|
| Numbering | 1831; later MPU3 in departmental stock | |
| Wheel arrangement | 0-6-0DH | |
| Introduced | Testing: December 1932; In stock: May 1934 | |
| Builder | LMS, Derby Works | |
| Engine | Davey Paxman 6-cyl of 400 hp (298 kW) at 750 rpm; later 300 hp (224 kW) |
|
| Transmission | Haslam & Newton | |
| Max. tractive effort | 22400 lbf (100 kN); later 20000 lbf (89 kN) | |
| Brakes | Air locomotive brake; Vacuum train brake | |
| Length | 30 ft 3.75 in (9.2 m) | |
| Width | 8 ft 7.5 in (2.6 m) | |
| Height | 12 ft 9 in (3.9 m) | |
| Weight | 46 t 2 cwt (46.8 t) | |
| Wheel diameter | 4 ft 7 in | |
| Wheelbase | 15 ft 8 in | |
| Maximum Speed | 25 mph | |
| Fuel capacity | 140 imp gal (636 L) | |
| Heating Supply | None | |
