LMS diesel shunter 1831

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LMS 1831
Type and origin
Power typeDiesel Hydraulic
BuilderLMS, Derby Works
Build date1931
Total produced1
Specifications
Configuration:
​
 • Whyte0-6-0DH
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
Wheel diameter4 ft 7 in (1.397 m)
Wheelbase15 ft 8 in (4.78 m)
Length30 ft 3+3⁄4 in (9.24 m)
Width8 ft 7+1⁄2 in (2.63 m)
Height12 ft 9 in (3.89 m)
Loco weight45 long tons 2 cwt (101,000 lb or 45.8 t)
Fuel capacity140 imperial gallons (640 l; 170 US gal)
Prime moverDavey Paxman
Engine type6-cyl
Transmission
Loco brakeAir brake (independent)
Train brakesVacuum brake
Performance figures
Maximum speed25 mph (40 km/h)
Power output400 hp (298 kW) at 750 rpm;
later300 hp (224 kW)
Tractive effort22,400 lbf (99.6 kN);
later 20,000 lbf (89.0 kN)
Career
OperatorsLondon, Midland and Scottish Railway
Numbers1831
DeliveredTesting: December 1932;
In stock: May 1934
WithdrawnSeptember 1939
DispositionRebuilt 1940 in to mobile power unit; scrapped 1950s

No. 1831 was the first experimental diesel hydraulic shunter of the London, Midland and Scottish Railway (LMS) which pioneered diesel shunting in the UK. It was introduced in 1932, built at Midland Railway's Derby Works. It was nominally a rebuild of a Midland Railway 1377 Class 0-6-0T steam locomotive of the same number, built in September 1892 by the Vulcan Foundry.[1] The frames and running gear of the original locomotive were retained.[2]

The experiment was not a success and the locomotive was put into storage in 1936. 1831 was withdrawn from service in September 1939 and converted to a mobile power unit, emerging in its new guise as MPU3 in November 1940.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 August 1951.[3]

References[]

  1. ^ Details from Marsden, Colin (1981). The diesel shunter: a pictorial record. Oxford: Oxford Publishing Company. pp. unpaged. ISBN 0860931080.
  2. ^ Strickland, D.C. (1982). Locomotive directory: every single one there has ever been. Camberley: Diesel and Electric Group. p. 23. ISBN 0-906375-10-X.
  3. ^ Strickland (1982), p.23.
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