Adelaide Metro 4000 class

The Adelaide Metro 4000 class, also referred to as A-City trains, are electric multiple unit trains built by Bombardier Transportation (later Alstom) in Dandenong, Victoria for the electrified Adelaide rail network. They are the only class of operational electric trains in South Australia, running services on the Gawler, Seaford and Flinders lines.

Adelaide Metro 4000 class
4020 at Hallett Cove in January 2018
Interior
In service2014–present
ManufacturerBombardier Transportation/Alstom
Built atDandenong, Victoria
Replaced
Constructed
  • 2013–15 (first batch)
  • 2019–23 (second batch)
Entered service
  • 23 February 2014 (first batch)
  • 4 March 2022 (second batch)
Number built34 sets
Number in service34 sets
Formation3-car sets (DM1–T–DM2)
Fleet numbers4001–4034
Capacity540 (240 seated, 300 standing)
OperatorsAdelaide Metro
Depots
  • Seaford Meadows
  • Dry Creek
Lines 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 speed110 km/h (68 mph)
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 3000
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

The design shares similarities to the V/Line VLocity and Transperth B-series trains, also built by Bombardier.

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