Commonwealth Railways NSU class

Type and origin
Type and origin
Power type	Diesel-electric
Builder	Birmingham Railway Carriage and Wagon Company
Serial number	DEL1 to DEL14
Build date	1954–1955
Total produced	14

Commonwealth Railways NSU class
Commonwealth Railways NSU class
	Static-displayed NSU63 at the Adelaide River Rail Heritage Precinct
Power type
Type and origin
Power type	Diesel-electric
Builder	Birmingham Railway Carriage and Wagon Company
Serial number	DEL1 to DEL14
Build date	1954–1955
Total produced	14
Configuration:;
Specifications
Configuration:;
• UIC	A1A–A1A
Gauge	1067 mm (3 ft 6 in)
Length	12.75 m (41 ft 10 in)
Loco weight	60 t (59 long tons; 66 short tons)
Fuel type	Diesel
Prime mover	Sulzer 6LDA28
Generator	Crompton Parkinson CG390
Traction motors	Crompton Parkinson
Maximum speed
Performance figures
Maximum speed	80 km/h (50 mph)
Power output	630 kW (840 hp)
Operators
Career
Operators	Commonwealth Railways; (became Australian National in 1975)
Number in class	14
Numbers	NSU51 to NSU64
First run	12 June 1954
Withdrawn	By August 1987
Preserved	As 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.
Disposition	See 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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