KOREA’s national operator, Korail, plans to order a fleet of 49 EMU-320 high-speed trains worth Won 5 trillion ($US 3.3bn) and a prototype EMU-370 train with a maximum speed of 370km/h. Korail will order the first batch of 28 EMU-320 trains next year with delivery starting in 2032.


The decision follows approval by Korea’s Ministry of Finance and Economy of a preliminary feasibility study of Korail’s next-generation high-speed ​​train project. Korail says the objective of the study was to replace the 46 KTX-1 trains, which will reach the end of their life in 2033, in a timely manner and to establish a stable high-speed rail operating environment.


Hyundai-Rotem supplied two pre-series production eight-car EMU 320 trains, called Blue Dragon, which entered service in 2024. Hyundai Rotem released the first of its second-generation EMU-320 high-speed trains in January following initial test runs conducted at the end of 2025.


The eight-car 320km/h trains are part of orders for 31 EMUs placed respectively by Korail and SR in March and April 2023. The first sets were rolled out on December 30 and 31 2025 and are now undergoing extended testing. Delivery is scheduled for December.


The new EMU 320 fleet will comprise 49 16-car trains (a total of 784 cars). Korail decided to order an additional three trains beyond those needed to replace the KTX-1 fleet to increase capacity and have spare trains to cope with emergencies.


The next-generation KTX will be a distributed-power high-speed train capable of speeds up to 320km/h, with traction equipment under each coach. Korail says the new train will have superior acceleration and deceleration performance compared with the 300km/h KTX-1 which has power cars at each end.


EMU-320 will be powered by high-energy-efficiency permanent magnet synchronous motors. The trains will have a streamlined aerodynamic design to increase energy efficiency and intelligent energy-saving train automatic control systems (IEOS) which will automatically control the trains according to the optimal train operation pattern for each section of track.


The new trains will have condition-based maintenance systems (CBM) with real-time monitoring and analysis of the condition of vehicles and components. There will also be an advanced derailment detection system.


Each EMU-320 will have around 1000 seats, compared with 955 seats on a KTX-1 train, making it the highest capacity train in Korea.


“The layout of amenities such as seats, luggage racks, and restrooms will be optimised by comprehensively considering transport capacity, safety, and convenience,” Korail says.


EMU-370


Meanwhile, Korail plans to acquire one EMU-370 train, currently under development as a national research and development project, in 2032. EMU-370 will be capable of commercial speeds up to 370km/h and a design speed of 407km/h making it the fastest commercially operating train in Korea.


EMU-370 is the result of a four-year national research and development programme led by the Korea Railroad Research Institute (KRRI) that has involved seven public and private organisations, including Hyundai Rotem. Won 22.5bn has been invested in the project, with funding provided jointly by the government and industry.


“The next-generation KTX is a core investment project for national infrastructure aimed at redefining the standards of Korea’s high-speed rail,” says Korail’s president Kim Tae-seung. “We will cooperate closely with the government and other relevant agencies to introduce the next-generation KTX in a timely manner and create safe and convenient high-speed rail services that the public can experience first hand.”