Adelaide Metro A-City 4000 Class

The Adelaide Metro A-City 4000 Class is a class of electric multiple unit trains built by Bombardier Transportation (later Alstom)[1] in Dandenong, Victoria for the electrified Adelaide Metro rail network. They are currently the only class of operational electric trains in South Australia.

Adelaide Metro A-City 4000 Class
4020 at Hallett Cove in January 2018
Interior
In service2014–present
ManufacturerBombardier Transportation/Alstom[1]
Built atDandenong, Victoria
Replaced2000 class railcars
Constructed
  • 2013–2015 (first batch)
  • 2019– (second batch)
Entered service
  • 23 February 2014 (first batch)
  • 12 June 2022 (second batch)
Number under construction5 sets
Number built29 sets
Number in service29 sets
Formation3-car sets (DM1–T–DM2)
Fleet numbers4001–4029
Capacity540 (240 seated, 300 standing)
Operator(s)Adelaide Metro
Depot(s)
  • Seaford Meadows
  • Dry Creek
Line(s) served
Specifications
Car body constructionStainless steel
Train length75.22 m (246 ft 9+3⁄8 in)
Car length
  • 25,255 mm (82 ft 10+1⁄4 in) (DM)
  • 24.71 m (81 ft 7⁄8 in) (T)
Width3.05 m (10 ft 1⁄8 in)
Height4.01 m (13 ft 1+7⁄8 in)
Floor height1.2 m (3 ft 11+1⁄4 in)
Doors2 × 2 per car
Wheel diameter920–850 mm (36–33 in) (new–worn)
Wheelbase2.5 m (8 ft 2 in)
Maximum speed
  • 110 km/h (68 mph) (design)
  • 110 km/h (68 mph) (service)
Traction systemMITRAC water-cooling IGBT–VVVF
Traction motors8 × MJA 280-6 200 kW (268 hp) 3-phase AC induction motor
Power output1.6 MW (2,146 hp)
Acceleration0.8 m/s2 (2.6 ft/s2)
Deceleration
  • 1.12 m/s2 (3.7 ft/s2) (service)
  • 1.2 m/s2 (3.9 ft/s2) (emergency)
HVAC
  • 56.6 kW (75.9 hp) cooling, 30 kW (40 hp) heating
  • Cab: 5 kW (6.7 hp) cooling, 3.1 kW (4.2 hp) heating
Electric system(s)25 kV 50 Hz AC (nominal) from overhead catenary
Current collector(s)Pantograph
UIC classificationBo′Bo′+2′2′+Bo′Bo′
BogiesFLEXX Metro 2000
Braking system(s)Wheel-mounted disc brakes
Coupling systemDellner
Multiple workingWithin class
Track gauge1,600 mm (5 ft 3 in)
Convertible to 1,435 mm (4 ft 8+1⁄2 in)
Notes/references
[2]

History

In March 2011, Bombardier Transportation was awarded a contract to build 22 three-carriage trains for the Adelaide rail network, that was in the process of being electrified.[3][4][5]

The design uses a similar shell to that of the V/Line VLocity diesel multiple unit trains, introduced in 2004. The first of the Adelaide trains was delivered in July 2013, and entered service on 23 February 2014.[6][7][8][9][10] The last was completed in October 2015.[11][12] The trains currently operate services on the Seaford, Flinders and Gawler lines.[13]

When they were ordered, it was proposed that the Gawler line would be electrified, which would allow the trains to access Adelaide Metro's Dry Creek depot. However, before they were delivered, that project was temporarily cancelled. Whilst light maintenance was performed at their primary stabling point at Seaford, heavy maintenance needed to occur at Dry Creek. When required, each train was hauled there from Adelaide station by a pair of 3000 class railcars. This movement was ceased once the Gawler Line was electrified in 2022.[14] In June 2019, a further 12 train sets were ordered, the first of which being delivered in mid-late 2021.[15]

References
  1. "Alstom in Australia and New Zealand". Alstom. Retrieved 31 January 2022. Electric Multiple Units for Adelaide
  2. "Adelaide A-City EMU" (PDF). 14 February 2013. Archived from the original (PDF) on 14 June 2018. Retrieved 14 June 2018.
  3. "Bombardier preferred supplier for Adelaide's electric trains" Railway Digest January 2011 page 6
  4. "Bombardier Wins Contract to Supply 25 kV Railcars for Adelaide, Australia". Bombardier Transportation. 31 March 2011. Archived from the original on 4 October 2011.
  5. "Bombardier scores Adelaide rail contract". Rail Express. 6 April 2011. Archived from the original on 22 February 2014.
  6. Hyde, Ben (14 July 2013). "First of 22 Bombardier electric trains to arrive in Adelaide this week". Adelaide Advertiser. Archived from the original on 8 October 2016.
  7. "Bombardier delivers on train contract". Dandenong Star Community. 25 July 2013.
  8. "Adelaide's new A-City Class 4000 class electric trains have arrived!". Department of Planning, Transport & Infrastructure. Archived from the original on 27 January 2014.
  9. "The Seaford line is now electrified". Department of Planning, Transport & Infrastructure. Archived from the original on 3 March 2019.
  10. "Seaford Rail Extension opens for business" Railway Digest April 2014 page 16
  11. "Bombardier Complete $220 Million Project for South Australia". South East Melbourne Manufacturers Alliance. 19 October 2015. Archived from the original on 7 September 2018.
  12. "Bombardier completes Adelaide EMU project" Track & Signal January 2016 page 82
  13. "Adelaide's A-City EMU Surburban Trains" Railway Digest December 2014 pages 44/45
  14. "$615m Gawler electrification deal signed". Rail Express. 22 February 2018.
  15. "Adelaide A-City fleet expansion". Metro Report International. 2 July 2019.

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