TasRail TR class
Type and origin
Power typeDiesel-electric
BuilderProgress Rail, Patterson, Georgia
ModelPR22L
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

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

History

In December 2011, TasRail awarded Progress Rail a contract for 17 PR22L locomotives.[1][2] 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 delivered in 2014.[3][4][5]

References

  1. ↑ New locomotive fleet for Tasmania Archived 27 December 2013 at the Wayback Machine railexpress.com.au 15 December 2011
  2. ↑ TasRail fleet renewal Railway Gazette International January 2012 page 8
  3. ↑ TasRail unveils its two new locomotives Archived 25 January 2014 at the Wayback Machine TasRail 3 December 2013
  4. ↑ PR221 Branch Line Locomotive & Derivatives Downer Rail
  5. ↑ TR class locomotives Tasmanian Rail News issue 253 December 2013 page 10


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