Victorian Railways S class (diesel)

Victorian Railways S class
Preserved S303 at the Seymour Railway Heritage Centre in October 2007
Type and origin
Power typeDiesel-electric
BuilderClyde Engineering, Granville
ModelEMD A7 (first order)
EMD A16C (second order)
Build date1957-1961
Total produced18
Specifications
Configuration:
 • UICCo′Co'
 • CommonwealthCo-Co
Gauge1,435 mm (4 ft 8+12 in),
1,600 mm (5 ft 3 in)
Length18.72 m (61 ft 5 in)
Axle load19.3 t (19.0 long tons; 21.3 short tons)
Loco weight116 t (114 long tons; 128 short tons)
Fuel typeDiesel
Prime moverEMD 16-567C
RPM range300-950rpm
Engine typeV16
AspirationSupercharged (Roots blower)
Displacement9072ci total
GeneratorEMD D12/D22
Traction motorsEMD D27/D37/D47
Head end powerNil
Cylinders16
Cylinder size567ci
TransmissionDiesel-electric
Train brakesA7/B7
Performance figures
Maximum speed133 km/h (83 mph)
Power output1,350 kW (1,810 hp)
Career
OperatorsVictorian Railways
Number in class18
NumbersS300-S317
NicknamesBulldogs, Streamliners
First run1957
PreservedS300, S301, S303, S306, S307, S308, S310, S313
Current ownerVicTrack Heritage
Seymour Railway Heritage Centre
Steamrail Victoria
Southern Shorthaul Railroad
Disposition4 in service, 4 preserved, 4 stored, 6 scrapped

The S class are a class of diesel locomotives built by Clyde Engineering, Granville for the Victorian Railways between 1957 and 1961.