LMS diesel shunters 7055/6

LMS diesel shunters 7055/6 were built by Hudswell Clarke. They were initially allocated numbers 7405/7406 but these numbers were never carried. Testing started in August 1934. One locomotive was taken into LMS stock in December 1934 and the other in October 1935.

LMS 7055–7056
Type and origin
Power typeDiesel-mechanical
BuilderHudswell Clarke
Build date1934
Total produced2
Specifications
Configuration:
  Whyte0-6-0DM
  UICC
Gauge4 ft 8 12 in (1,435 mm) standard gauge
Wheel diameter3 ft 4 in (1.016 m)
Wheelbase9 ft 0 in (2.74 m)
Length26 ft 10.5 in (8.19 m)
Width8 ft 7 in (2.62 m)
Height12 ft 0 in (3.66 m)
Loco weight30.5 long tons (31.0 t; 34.2 short tons)
Fuel capacity100 imp gal (450 l; 120 US gal)
Prime moverMirrlees-Ricardo
Engine type8-cyl diesel
TransmissionBostock & Bramley
Train heatingNone
Loco brakeAir
Train brakesNone
Performance figures
Maximum speed19 mph (31 km/h)
Power output150 hp (112 kW)
Tractive effortMax: 11,950 lbf (53.2 kN)
Career
OperatorsLondon, Midland and Scottish Railway
NumbersLMS 7055–7056
WithdrawnSee text
DispositionBoth scrapped

Conversion

They were withdrawn from normal service in April/May 1939 and subsequently converted to mobile power units, emerging in their new guise as MPU2/MPU1 in May 1940/October 1940 respectively. MPU2 (7055) was later allocated to the Eastern Region of British Railways, where it was identified as number 953 in their departmental vehicle series.

Scrapping

They were scrapped in February 1964/January 1956 respectively, though due to administrative errors, the disposal of 953 (7055) was not recorded and it was initially allocated number 968004 in the new departmental locomotive series introduced in 1968.

See also

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