LMS diesel shunter 1831

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LMS 1831
LMS diesel shunter 1831.jpg
Type and origin
Power typeDiesel Hydraulic
BuilderLMS, Derby Works
Build date1931
Total produced1
Specifications
Configuration:
   Whyte 0-6-0DH
Gauge 4 ft 8+12 in (1,435 mm) standard gauge
Wheel diameter4 ft 7 in (1.397 m)
Wheelbase 15 ft 8 in (4.78 m)
Length30 ft 3+34 in (9.24 m)
Width8 ft 7+12 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 mover Davey Paxman
Engine type 6-cyl
Transmission Haslam & Newton
Loco brake Air brake (independent)
Train brakes Vacuum brake
Performance figures
Maximum speed25 mph (40 km/h)
Power output400 hp (298 kW) at 750 rpm; later 300 hp (224 kW)
Tractive effort 22,400 lbf (99.6 kN);
later 20,000 lbf (89.0 kN)
Career
Operators London, Midland and Scottish Railway
Numbers1831
DeliveredTesting: December 1932;
In stock: May 1934
WithdrawnSeptember 1939
DispositionRebuilt 1940 in to mobile power unit; scrapped August 1951

LMS diesel shunter No. 1831 was an experimental diesel hydraulic shunter built by the London, Midland and Scottish Railway (LMS) in 1931/3, which pioneered diesel shunting in the UK.

Contents

Design

It was ordered in 1931 from the Midland Railway's Derby Works and delivered in December 1932, 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] It had a Davey Paxman 6-cylinder 400 hp (298 kW) at 750 rpm engine (later converted to 300 hp (224 kW) and a Haslam & Newton transmission.

History

After initial testing, the locomotive entered stock in May 1934, but was not successful in ordinary service. The locomotive was put into storage in 1936 and officially withdrawn from service in September 1939. It was converted to a mobile power unit, emerging in its new guise as MPU3 in November 1940. It was scrapped in August 1951. [3]

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References

  1. Marsden, Colin (1981). The diesel shunter: a pictorial record. Oxford: Oxford Publishing Company. pp. unpaged. ISBN   0860931080. p.[3].
  2. Strickland, D.C. (1982). Locomotive directory: every single one there has ever been. Camberley: Diesel and Electric Group. p. 203. ISBN   0-906375-10-X.p.23.
  3. Strickland (1982), p.23.