Queensland Railways 1720 class

The 1720 class are a class of diesel locomotives built by Clyde Engineering, Eagle Farm for Queensland Railways between 1966 and 1970.

Queensland Railways 1720 class
Bicentennial liveried 1723 at Moolabin goods yard in February 1988
Type and origin
Power typeDiesel-electric
BuilderClyde Engineering, Eagle Farm
ModelElectro-Motive Diesel GL18
Build date1966–1970
Total produced56
Specifications
Configuration:
​
 • UICCo′Co′
Gauge1,067 mm (3 ft 6 in)
Length13.4 metres (44 ft)
Loco weight62 tonnes (61 long tons; 68 short tons)§
Fuel typeDiesel
Prime moverElectro-Motive Diesel 645E
GeneratorElectro-Motive Diesel D25
Traction motorsElectro-Motive Diesel CD36
Cylinders8
Performance figures
Maximum speed100 kilometres per hour (62 mph)
Power output745 kilowatts (999 hp)
Career
OperatorsQueensland Railways
Number in class56
Numbers1720–1775
First runOctober 1966
Current ownerAurizon, Queensland Rail
Disposition33 in service, 10 stored, 12 exported, 1 preserved

History

The 1720 class were an evolution of the 1700 class. They operated throughout Queensland on branchline freight, suburban and mainline passenger services and on shunting duties.[1][2][3] Later they were modified for driver only operation receiving a larger windscreen.

Some have been exported, although the majority as at January 2014 remain in service.[4] Unit 1741 was acquired for preservation by the Queensland Diesel Restoration Group in October 2016.[5]

References
  1. Oberg, Leon (1984). Locomotives of Australia 1850s-1980s. Frenchs Forest: Reed Books. p. 258. ISBN 0 730100 05 7.
  2. 1720 Class Queensland's Great Trains
  3. Clyde/GM 1720 Class Queensland's Railway Interest Group
  4. 1720 Class Railpage
  5. "1741D". Queensland Diesel Restoration Group.
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