New South Wales 40 class locomotive

New South Wales 40 class
Two 40 class head north through Wondabyne
Type and origin
Power typeDiesel-electric
BuilderMontreal Locomotive Works, Canada
Serial number77732–77751
ModelALCO RSC-3
Build date1951/52
Total produced20
Specifications
Configuration:
  UIC(A1A)(A1A)
Gauge4 ft 8+12 in (1,435 mm) standard gauge
Wheel diameter40 in (1,016 mm)
LengthOver headstocks`:
52 ft 0 in (15.85 m),
Over coupler pulling faces:
56 ft 7+14 in (17.25 m)
Width9 ft 11+18 in (3.03 m)
Height14 ft 0+58 in (4.28 m)
Axle load18 long tons 10 cwt (41,400 lb or 18.8 t)
Loco weight111 long tons 0 cwt (248,600 lb or 112.8 t)
Fuel typeDiesel
Fuel capacity1,200 imp gal
(5,500 L; 1,400 US gal)
Lubricant cap.164 imp gal (750 L; 197 US gal)
Coolant cap.217 imp gal (990 L; 261 US gal)
Sandbox cap.28 cu ft (0.79 m3)
Prime moverAlco 12-244
RPM range350-1000
Engine typeV12
AspirationTurbocharged
GeneratorGeneral Electric 5GT 581 PA2
Traction motorsGeneral Electric 753
Cylinders12
Cylinder size9 in × 10.5 in (229 mm × 267 mm)
Performance figures
Maximum speed75 mph (121 km/h)
Power outputGross: 1,750 hp (1,305 kW),
For traction: 1,650 hp (1,230 kW)
Tractive effortContinuous:
46,000 lbf (204.62 kN)
at 11 mph (18 km/h)
Career
OperatorsNSW Department of Railways
Number in class20
Numbers4001-4020
NicknamesSubmarines
First run30 November 1951
RetiredDecember 1971
Preserved4001, 4002, 4006
Disposition3 preserved, 17 scrapped

The 40 class were a class of diesel locomotives built by Montreal Locomotive Works, Canada for the New South Wales Department of Railways in 1951/52.