South Australian Railways 900 class

Class of Australian diesel-electric locomotives

9 ft 7+14 in (2,927 mm)Height13 ft 9 in (4,191 mm)Axle load21 long tons (21.3 t; 23.5 short tons)Adhesive weight84 long tons (85.3 t; 94.1 short tons)Loco weight121 long tons (122.9 t; 135.5 short tons)Fuel typeDieselFuel capacity1,000 imp gal
(4,500 L)Prime moverEnglish Electric 16SVT Mk IRPM range450–750 rpmEngine typeFour-stroke, 2 valves per cylinderAspirationTurbochargedGeneratorEnglish Electric 822 typeTraction motors4 type 523A air cooledCylinders16 VeeCylinder size10 in × 12 in
(254 mm × 305 mm)MU workingX 3Loco brakeWestinghouse Compressed Air, and Electric Dynamic
Performance figures
Maximum speed75 miles per hour (121 km/h)
Power output1,760 hp (1,310 kW) gross, 1,600 hp (1,190 kW) net
Tractive effort:
 • Starting56,000 lbf (249.1 kN)
 • Continuous34,000 lbf (151.2 kN) at
15 mph (20 km/h)
Career
OperatorsSouth Australian Railways
Number in class10
Numbers900-909
NicknamesMagnificent Beasts
First run10 September 1951
Last run18 June 1985
Preserved900, 907, 909
Disposition3 preserved, 7 scrapped

The 900 class were a class of diesel locomotives built by Islington Railway Workshops for the South Australian Railways between 1951 and 1953.

History

The 900 class were the first mainline diesels operated by the South Australian Railways. Ten were built at Islington Railway Workshops to replace steam locomotives on the heavily graded Mount Lofty Ranges. They operated both heavy freight trains and passenger services including The Overland. After the arrival of more powerful diesel, they were concentrated on the easier-graded lines from Adelaide to Port Pirie and Peterborough.[1]

In March 1978, all were included in the transfer of the South Australian Railways to Australian National. Withdrawals commenced in May 1979[1] with the last two withdrawn on 18 June 1985 after operating a cement train from Angaston to Dry Creek.[2][3] Three have been preserved with the other seven scrapped.[4]

Preserved

Three units have been preserved:

References

  1. ^ a b Oberg, Leon (1984). Locomotives of Australia 1850's – 1980's. Frenchs Forest: Reed Books. p. 190. ISBN 0-730100-05-7.
  2. ^ "South Australia" Railway Digest August 1985 page 247
  3. ^ Broad Gauge 900-class diesel locomotives Chris' Commonwealth Railway Pages
  4. ^ 900 Class Railpage
  5. ^ Lady Norrie National Railway Museum
  6. ^ a b The Tailem Bend Train Graveyard Weekend Notes 10 February 2013
  7. ^ Australian Trains | South Australian 909 Start Up ‘'YouTube'’ 30 August 2016

English Electric brochure TD120 https://www.flickr.com/photos/29903115@N06/6747430491

900 class drivers cab
Two 900 class locomotives
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Locomotives and rolling stock of the South Australian Railways and successors
Steam locomotives – 1,600 mm (5 ft 3 in) gauge
Steam locomotives – 1,067 mm (3 ft 6 in) gauge
Diesel locomotives
RailcarsElectric multiple unitsPassenger carriages by classNamed or significant trains