Transwa WDA/WDB/WDC class

< Transwa WDA < WDB

Transwa WDA/WDB/WDC and WEA/WEB classes
The Prospector near Merredin in October 2012
ManufacturerUnited Goninan
Built atBroadmeadow, NSW
ReplacedWAGR WCA/WCE class
Constructed2003
Entered service
  • WDA/WDB: 28 June 2004
  • WDC: 31 December 2004
  • WEA/WEB: 1 August 2005
Number built9
Number in service9
Formation
  • WDA–WDB
  • WDA–WDC–WDB
  • WEA–WEB
Fleet numbers
  • WDA001–003
  • WDB011–013
  • WDC021
  • WEA031, WEB041
Capacity
  • 100 (WDA/WDB 2-car)
  • 160 (WDA/WDC/WDB 3-car)
  • 143 or 138 w/2 Wheelchairs (WEA/WEB 2-car)
OperatorsTranswa
DepotsProspector Maintenance Depot, Kewdale
Lines served
Specifications
Car body constructionStainless steel
Train length
  • 2-car: 54.8 m (179 ft 9 in)
  • 3-car: 80.07 m (262 ft 8 in)
Car length
  • WDA/WDB, WEA/WEB: 27.4 m (89 ft 11 in)
  • WDC: 25.27 m (82 ft 11 in)
Width3,152 mm (10 ft 4.1 in)
Height4,462 mm (14 ft 7.7 in)
Floor height1.32 m (4 ft 4 in)
Doors4 × IFE Tebel
Wheel diameter850–770 mm (33–30 in) (new–worn)
Wheelbase2.6 m (8 ft 6 in)
Maximum speed
  • 200 km/h (120 mph) (design)
  • 160 km/h (99 mph) (track speed)
Weight
  • WDA: 67.96 t (66.89 long tons; 74.91 short tons)
  • WDB: 66.453 t (65.403 long tons; 73.252 short tons)
  • WDC: 62.27 t (61.29 long tons; 68.64 short tons)
  • WEA: 65.55 t (64.51 long tons; 72.26 short tons)
  • WEB: 65.175 t (64.146 long tons; 71.843 short tons)
Traction systemDiesel hydraulic
Prime mover(s)2 × Cummins N14E-R 518 Horizontal in-line 6 (modified)
Power output386 kW (518 hp) @ 2100rpm per engine
Transmission2 × Voith T212 bre turbo transmission
Power supplyTranstechnik 415V shop power
HVACNoske-Kaeser model RHKA 28-2D/1
BogiesSiemens SF 5000 DMU
Braking system(s)Knorr-Bremse (air actuated disc brakes) Hydrodynamic (transmission)
Safety system(s)ATP
Coupling systemSchaku model 40-1218(1)/40-1319(2)
Multiple workingWithin class
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge
Notes/references
Sourced from unless otherwise noted.

The Transwa WDA/WDB/WDC and WEA/WEB classes are two classes of railcars built by United Goninan, Broadmeadow for Transwa in 2004–2005 to replace the WAGR WCA/WCE class railcars on the AvonLink, MerredinLink and Prospector services in Western Australia. The trains are capable of 200 km/h operation and run at 160 km/h in service.

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