LMS diesel shunter 7050

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LMS 7050
Hugh llewelyn 7050 (5668822779).jpg
Preserved LMS 0-4-0 diesel mechanical shunter No.7050 at the National Railway Museum
Type and origin
Power type Diesel-mechanical
Builder Drewry Car Co. at English Electric, Preston
Serial number Drewry 2047
English Electric 847
Build date 1934
Total produced 1
Specifications
Configuration:
 • Whyte 0-4-0DM
Gauge 4 ft 8 12 in (1,435 mm) standard gauge
Wheel diameter 3 ft 0 in (0.914 m)
Wheelbase 7 ft 0 in (2.13 m)
Length 23 ft 10 12 in (7.28 m)
Width 8 ft 5 in (2.57 m)
Height 12 ft 8 in (3.86 m)
Loco weight 25 long tons 8 cwt (56,900 lb or 25.8 t)
25 long tonscwt (25.8 t; 28.4 short tons)
Fuel capacity 100 imperial gallons (454.61 l; 120.09 US gal)
Prime mover W. H. Allen 8RS18 later Gardner 6L3
Engine type 8-cyl,later 6-cyl, Diesel
Transmission ENV and Bostock & Bramley
Loco brake Air brake
Train brakes None
Performance figures
Maximum speed 12 mph (19 km/h)
Power output 160 hp (120 kW) at 1,200 rpm, later 150 hp (110 kW)
Tractive effort 11,200 lbf (49.8 kN)
Career
Operators
Number in class 1
Disposition Preserved in 1979

LMS diesel shunter 7050 is an experimental 0-4-0 diesel-mechanical shunting locomotive, introduced by the London Midland and Scottish Railway (LMSR) in 1934 and which remained in service with that railway for six years. It was later acquired for military use and is now preserved at the National Railway Museum.

History[edit]

No. 7050 locomotive was an experimental locomotive built by the Drewry Car Co. at the English Electric Preston works in 1934. It carried an original number of 7400 only within the works and was delivered as LMSR number 7050. For six years it was used for dock shunting at Salford before being loaned to the Air Ministry in 1940.[1] It was withdrawn from LMSR stock in March 1943 and sold to the War Department (WD) which numbered it 224. Subsequent renumberings by the WD, and later the Army, saw it carry numbers 70224 (in 1944), 846 (1952) and 240 (1968).

At some point it was rebuilt with a Gardner engine and was used at the Royal Navy base at Botley, Hampshire.[2]

Preservation[edit]

No 7050 was preserved in 1979, and displayed at the Museum of Army Transport in Beverley. Upon the closure of that Museum in 2003 it was transferred to the National Railway Museum in York.

References[edit]

  1. ^ Marsden, Colin (1981). The diesel shunter: a pictorial record. Oxford: Oxford Publishing Company. pp. Notes. ISBN 0860931080. 
  2. ^ Marsden (1981).[page needed]
  • Rowledge, J.W.P. (1975). Engines of the LMS built 1923–51. Oxford: Oxford Publishing Company. pp. 36, 46, 72, 94. ISBN 0-902888-59-5. 
  • Strickland, David C. (September 1983). Locomotive Directory. Camberley, Surrey: Diesel and Electric Group. p. 23. ISBN 0-906375-10-X. 
  • Tourret, R. (1995). Allied Military Locomotives of the Second World War. Abingdon, Oxon: Tourret Publishing. pp. 36–42. ISBN 0-905878-06-X.