Commonwealth Railways NSU class

Commonwealth Railways NSU class
Static-displayed NSU63 at the Adelaide River Rail Heritage Precinct
Type and origin
Power typeDiesel-electric
BuilderBirmingham Railway Carriage and Wagon Company
Serial numberDEL1 to DEL14
Build date1954–1955
Total produced14
Specifications
Configuration:
​
 • UICA1A–A1A
Gauge1067 mm (3 ft 6 in)
Length12.75 m (41 ft 10 in)
Loco weight60 t (59 long tons; 66 short tons)
Fuel typeDiesel
Prime moverSulzer 6LDA28
GeneratorCrompton Parkinson CG390
Traction motorsCrompton Parkinson
Performance figures
Maximum speed80 km/h (50 mph)
Power output630 kW (840 hp)
Career
OperatorsCommonwealth Railways
(became Australian National in 1975)
Number in class14
NumbersNSU51 to NSU64
First run12 June 1954
WithdrawnBy August 1987
PreservedAs of 2022:
Operating: 52, 58.
Near-operable:
55 (indoors).
Indoor display:
51, 61.
Held for spare parts: 54.
Outdoor display :
53, 56, 57, 59, 60, 62, 63, 64.
DispositionSee table under "Preservation"

The Commonwealth Railways NSU class was a class of diesel-electric locomotives built in 1954 and 1955 by the Birmingham Railway Carriage and Wagon Company, England, for the Commonwealth Railways to be deployed on the narrow-gauge Central Australia Railway and North Australia Railway.

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