New South Wales 42 class locomotive

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New South Wales 42 class
4201 Return to Service Trip 16-09-2017.jpg
4201 leading a NSW Rail Museum train at Mittagong in September 2017
Type and origin
Power typeDiesel-electric
Builder Clyde Engineering, Granville
Serial number55-74, 55-75, 55-79, 56-87, 56-92, 56-100
Model EMD A7 (later A16C)
Build date1955–1956
Total produced6
Specifications
Configuration:
   UIC Co-Co
Gauge 1,435 mm (4 ft 8+12 in) standard gauge
Wheel diameter40 in (1,016 mm)
LengthOver headstocks:
58 ft 0 in (17.68 m),
Over coupler pulling faces:
62 ft 3+14 in (18.98 m)
Width9 ft 9 in (2.97 m)
Height14 ft 0 in (4.27 m)
Axle load 20  long tons  0 cwt (44,800 lb or 20.3 t)
Loco weight120 long tons 0 cwt (268,800 lb or 121.9 t)
Fuel type Diesel
Fuel capacity1,500 imp gal
(6,800 L; 1,800 US gal)
Lubricant cap.165 imp gal
(750 L; 198 US gal)
Coolant cap.175 imp gal
(800 L; 210 US gal)
Sandbox cap.16 cu ft (0.45 m3)
Prime mover EMD 16-567C
RPM range275–835
Engine type V16 Two-stroke diesel
Aspiration Roots blower
Generator EMD D12
Traction motors 6 x EMD D37
Cylinders 16
Cylinder size 8.5 in × 10 in
(216 mm × 254 mm)
Performance figures
Maximum speed71 mph (114 km/h)
Power outputGross: 1,750 hp (1,305 kW),
For traction:
1,600 hp (1,193 kW)
Tractive effort Continuous:
61,250 lbf (272.45 kN)
at 9 mph (14 km/h)
Career
Operators NSW Department of Railways
Numbers4201–4206
First run28 November 1955
Withdrawn1983
Preserved4201, 4203, 4204, 4206
Current ownerTransport Heritage NSW, O'Donohugue's Pub, Lachlan Valley Railway, Dorrigo Steam Railway & Museum
Disposition4 preserved, 2 scrapped

The New South Wales 42 class was a class of diesel locomotives built by Clyde Engineering, Granville for the New South Wales Department of Railways in 1955/56.

Contents

History

4202 and 4206 depart Junee with a northbound freight train Arhs 4202 junee.jpg
4202 and 4206 depart Junee with a northbound freight train
4202 operating wrong road at Yass hauling the Intercapital Daylight Arhs 4202 yass.jpg
4202 operating wrong road at Yass hauling the Intercapital Daylight
4204 at Albury in 1977 NSWR loco 4204 at Albury, ~1977.jpg
4204 at Albury in 1977

The design was based on the Electro-Motive Diesel EMD F9 locomotive, and was very similar to the GM 12 class then being built by Clyde Engineering for the Commonwealth Railways.

The locos initially worked express passenger services including the Brisbane Limited , Intercapital Daylight and Melbourne Limited and later the Southern Aurora and Spirit of Progress . [1] [2] As newer locomotives arrived they were concentrated on the Main South line operating freight services.

By April 1978, the Goulburn branch of the Australian Federated Union of Locomotive Enginemen had placed a ban on operating the 42 class as lead engines due to cab conditions. In 1980, to overcome those problems, 4201 had its cab upgraded during an overhaul but, with their replacement imminent, it was decided not to modify the rest of the class. All were withdrawn in 1983.

Preservation

Three have been preserved. A fourth was preserved, but this has since been mostly cut up:

LocomotiveSerial NoEntered ServiceCurrent OwnerLiveryStatus
420155-74Nov 1955 NSW Rail Museum 125 Years of NSW Railways Green & YellowPreserved, Operational
420255-75Dec 1955--Scrapped
420355-79Jan 1956O'Donohugue's Pub, Emu Plains Red & BlackConverted (Cut-Down Shell)
420456-87Mar 1956 Lachlan Valley Railway Indian RedPreserved, Operational
420556-92May 1956--Scrapped
420656-100Aug 1956 Dorrigo Steam Railway & Museum Indian RedStored

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References

  1. Oberg, Leon (1980). Diesel Locomotives of Australia. Sydney: AH & AW Reed. p. 283. ISBN   0-589-50211-5.
  2. 42 Class Railpage
  3. "RTM" Railway Digest February 1984 Page 69
  4. "LVR" Railway Digest February 1984 Page 69
  5. "Western Report" Railway Digest September 1986 Page 281
  6. "Locomotives" Railway Digest April 1984 Page 114

Further reading

Commons-logo.svg Media related to New South Wales 42 class locomotives at Wikimedia Commons