TasRail TR class

The TR class are a class of diesel locomotives built by Progress Rail Services, Patterson, Georgia for TasRail in 2013–2014. They are currently the main Tasmanian locomotive class handling the majority of mainline services across the state.

TasRail TR class
Type and origin
Power typeDiesel-electric
BuilderProgress Rail Services, Patterson, Georgia
ModelEMD22L
Build date2013-2014
Total produced17
Specifications
Configuration:
  UICCo-Co
Gauge1,067 mm (3 ft 6 in)
BogiesEMD GHC
Wheelbase13,610 mm (44 ft 8 in) total, 3,632 mm (11 ft 11.0 in) bogie
Length16,925 mm (55 ft 6.3 in) over headstocks
Width2,900 mm (9 ft 6 in)
Height3,840 mm (12 ft 7 in)
Axle load18 tonnes (17.7 long tons; 19.8 short tons)
Loco weight108 tonnes (106.3 long tons; 119.0 short tons)
Fuel typeDiesel
Lubricant cap.151.4 L (33.3 imp gal)
Prime moverCaterpillar 3512C HD
RPM range1900rpm max.
Engine typefour stroke
AspirationTurbocharged, intercooled
Displacement58.6 litres (3,576.0 in3)
AlternatorKato
Traction motorsElectro-Motive Diesel D-43
Cylinders12 Vee
Cylinder size170 mm × 215 mm (6.7 in × 8.5 in)
MU working74V, 8 notch
Loco brakeAir, dynamic
Train brakesAir
Performance figures
Maximum speed100 kilometres per hour (62 mph)
Power output1,700 kW (2,280 hp) gross, 1,492 kW (2,001 hp) net
Tractive effort272 kN (61,148.0 lbf)
Career
OperatorsTasRail
Number in class17
NumbersTR01-TR17
First runNovember 2013
Current ownerTasRail
DispositionAll in service

History

In December 2011 TasRail awarded Progress Rail Services a contract for 17 PR22L locomotives.[1] They were the first new locomotives delivered to Tasmania since the Za class in 1976. The first TR class were delivered in November 2013 with the balance to be delivered in 2014.[2][3][4][5]

Class register

Key: In Service Under overhaul/repair Withdrawn/Out of service Preserved Shipped Scrapped
Number Entered Service Status Notes
01 March 2014 In service
02 May 2014 In service
03 March 2014 In service
04 March 2014 In service
05 March 2014 In service
06 March 2014 In service
07 March 2014 In service
08 March 2014 In service
09 April 2014 In service
10 April 2014 In service
11 April 2014 In service Derailed at Devonport on 21 September 2018.[6]
12 May 2014 In service
13 May 2014 In service
14 May 2014 In service
15 July 2014 In service
16 July 2014 In service
17 July 2014 In service

References

  1. New locomotive fleet for Tasmania Archived 27 December 2013 at the Wayback Machine railexpress.com.au 15 December 2011
  2. TasRail unveils its two new locomotives Archived 25 January 2014 at the Wayback Machine TasRail 3 December 2013
  3. PR221 Branch Line Locomotive & Derivatives Downer Rail
  4. TR class Railpage
  5. TR class Rail Tasmania
  6. Lansdown, Sarah; Slade, Lucy (21 September 2018). "Two hurt as out-of-control train derails in Tasmania". The Sydney Morning Herald. Retrieved 21 September 2018.
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