New Zealand AM class electric multiple unit

New Zealand AM class electric multiple unit
AM 415 passing through Takanini
Interior
In service	2014–present
Manufacturer	CAF
Built at	Beasain, Basque Country, Spain
Family name	CxK
Replaced	ADK class DMU ADL class DMU SA carriage SX carriage DC class loco DFT class loco
Constructed	2013–2015 2019–2020
Number under construction	23[1]
Number built	72
Number in service	72
Formation	3 cars (AMA–AMT–AMP) per set[2]
Fleet numbers	103–714 810–973
Capacity	373 (230 seated, 143 standing)[3]
Operators	Transdev Auckland (2014–22) Auckland One Rail (2022–)
Depots	Wiri, Strand Distributed Stabling Facility, Papakura, Henderson
Lines served	Eastern Line Onehunga Line Southern Line Western Line
Specifications
Car body construction	Stainless steel[3]
Train length	72.03 m (236 ft 4 in)
Car length	24.3 m (79 ft 9 in) (AMA/AMP) 23.2 m (76 ft 1 in) (AMT)
Width	2.76 m (9 ft 1 in)
Height	3.99 m (13 ft 1 in) (over lowered pantograph)
Floor height	1,100 mm (3 ft 7 in) (high floor) 750 mm (2 ft 6 in) (AMT low floor)
Platform height	750 mm (2 ft 6 in)
Doors	4 × twin doors (2 per side) per car, push-button opening[3]
Wheel diameter	860–790 mm (34–31 in) (new–worn)
Maximum speed	110 km/h (70 mph)[3]
Weight	132 t (130 long tons; 146 short tons) (tare 3-car set)
Traction system	CAF IGBT–VVVF[4]
Traction motors	8 × Mitsubishi Electric MB-5146-A 190 kW (255 hp)
Power output	1,520 kW (2,038 hp)[2]
Transmission	6.8 : 1 (102 / 15) gear ratio[5]
Acceleration	1 m/s2 (3.3 ft/s2)[3]
Deceleration	1 m/s2 (3.3 ft/s2)[3]
Electric system(s)	25 kV 50 Hz AC overhead catenary
Current collector(s)	Pantograph
UIC classification	Bo′Bo′+2′2′+Bo′Bo′
Safety system(s)	ETCS (to application level 1)
Coupling system	Scharfenberg
Multiple working	Within class only
Track gauge	1,067 mm (3 ft 6 in)
Notes/references
Sourced from[6] except where noted.

The New Zealand AM class of electric multiple unit (EMU) was constructed for the electrification of Auckland's railway network. The class was introduced in 2014^[7] with the first unit having arrived in September 2013.^[8] The units are classified AM (Auckland Metro), with the driving motor car with pantograph classified AMP, the middle trailer car AMT and the driving motor car without pantograph AMA.^[2] The trains are operated by Auckland One Rail for Auckland Transport under the AT Metro brand.