Article · Wikipedia archive · Last revised Jun 6, 2026

AREX Class 2000

The AREX Class 2000 is an electric multiple unit of the Airport Railroad operated by the Incheon International Airport Railroad on the AREX service. It is used on the all-stop AREX services and hence has a more metro like layout with 4 doors per side and longitudinal seating, in contrast to the express layout the Class 1000 has.

Last revised
Jun 6, 2026
Read time
≈ 1 min
Length
252 w
Citations
3
Source
AREX Class 2000
AREX Class 2000 (1st generation)
Stock typeElectric multiple unit
ManufacturerHyundai Rotem
Constructed2005–2006 (1st generation, 1st batch)
2009–2010 (1st generation, 2nd batch)
2017 (1st generation, 3rd batch)
2025 (2nd generation)
Number in service9 (1st generation, 1st batch)
11 (1st generation, 2nd batch)
2 (1st generation, 3rd batch)
9 (2nd generation)
Formation6 cars per train
TC-M'-M'-M'-M'-TC
Fleet numbers2-01–2-09 (1st generation, 1st batch)
2-10–2-20 (1st generation, 2nd batch)
2-21–2-22 (1st generation, 3rd batch)
2-23–2-31 (2nd generation)
Line servedAREX (all-stop services only)
Specifications
Maximum speed110 km/h (68 mph) (service)
1st generation: 120 km/h (75 mph) (design)
2nd generation: 150 km/h (93 mph) (design)
Traction systemHyundai Rotem IGBT-VVVF (1st generation)
Toshiba SiC-VVVF (2nd generation)
Power output4200 kW
Deceleration3.5km/h/s (service), 4.5km/h/s (emergency)
Electric system25 kV AC 60 Hz
Headlight typeLight-emitting diode

The AREX Class 20001 is an electric multiple unit of the Airport Railroad operated by the Incheon International Airport Railroad on the AREX service. It is used on the all-stop AREX services and hence has a more metro like layout with 4 doors per side and longitudinal seating, in contrast to the express layout the Class 1000 has.

On September 15, 2025, the first of nine second generation 2000 series trains began revenue service on the all-stop service.2 The trains feature a redesigned exterior and interior and a top operating speed of 150 km/h (93 mph). Two more sets are expected to enter service by October 17 with the remaining six entering service by the end of the year.2

Mockup of a 2000 series car with updated design source ↗
References

References

  1. "현대로템 - 국문". www.hyundai-rotem.co.kr. Retrieved 2023-09-12.
  2. Kang, Jun-wan (2025-09-15). "공항철도, 시속 150km 신규 전동차 오늘 운행". Hankyung (in Korean). Retrieved 2025-09-17.