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China Railway CR400AF
China Railway CR400AF
China Railway CR400AF
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China Railway CR400AF
CR400AF-2031 departing from depot at Shoupakou, Beijing as G66
Stock typeElectric Multiple Unit (EMU)
In service
  • AF: 15 August 2016 (2016-08-15)
  • AF–A: 16 June 2018 (2018-06-16)
  • AF–B: 5 January 2019 (2019-01-05)
  • AF–G: 22 January 2021 (2021-01-22)
  • AF–Z, AF–BZ: 25 June 2021 (2021-06-25)
  • AF–C: 15 July 2021 (2021-07-15)
  • AF–AZ: 1 January 2024 (2024-01-01)
  • AF–S, AF–BS: 15 June 2024 (2024-06-15)
  • AF–AE: September 2024 (2024-09)
  • KCIC400AF: 17 October 2023 (2023-10-17)
ManufacturerCRRC Qingdao Sifang
Designer
  • Austria Interior: Moodley Strategy & Design Group
Family nameFuxing
ReplacedCRH2C, CRH3C, CRH380A, CRH380B
Formation
  • AF, AF–C, AF–Z, AF–G, AF–S, KCIC400AF: 8 cars/trainset (4M4T)[1]
  • AF–2808: 12 cars/trainset (6M6T)
  • AF–A, AF–AZ: 16 cars/trainset (8M8T)
  • AF–B, AF–BZ, AF–BS: 17 cars/trainset (8M9T)
OperatorsChinaChina Railway Corporation
IndonesiaPT Kereta Cepat Indonesia China
Specifications
Train length
  • AF, AF–C, AF–Z, AF–G, AF–S, KCIC400AF: 209 m (685 ft 8 in)[1]
  • AF-2808: 302 m (990 ft 10 in)[1]
  • AF–A, AF–AZ: 414 m (1,358 ft 3 in)[1]
  • AF–B, AF–BZ, AF–BS: 439.8 m (1,442 ft 11 in)[1]
Width3,360 mm (11 ft 0 in)[1]
Height4,050 mm (13 ft 3 in)[1]
Platform height1,250 mm (4 ft 1.2 in)
Maximum speed
  • Service:
  • 350 km/h (220 mph)
  • Design:
  • 400 km/h (250 mph)
  • Record:
  • 420 km/h (260 mph)
Axle load<17 t (16.7 long tons; 18.7 short tons)[1]
Traction systemWater cooling IGBT-VVVF inverter control (Zhuzhou CRRC Times Electric)
Traction motorsYQ-625 external sector 3-phase AC induction motor (Zhuzhou CRRC Times Electric)
Electric system(s)25 kV 50 Hz AC Overhead catenary
Current collectionPantograph
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge

The CR400AF Fuxing (Chinese: 复兴号; pinyin: Fùxīng Hào) is a Chinese electric high-speed train developed by CRRC Changchun Railway Vehicles and manufactured by CRRC Qingdao Sifang. As part of the China Standardized EMU, the CR400AF is designed to operate at a cruise speed of 350 km/h (217 mph) and a maximum speed of 420 km/h (261 mph) in commercial service. Development on the project started in 2012, and the design plan was finished in September 2014. The first EMU rolled off the production line on 30 June 2015.[2] The series received its current designation of Fuxing in June 2017, with the nickname Red Dragon.[3] It is among the world's fastest conventional high-speed trains in regular service, with an operating speed of 350 km/h (217 mph).

A derivative version of this train known as KCIC400AF or Komodo Merah (lit. 'red komodo dragon') or Petir Merah (lit. 'red lightning') is exported for operations in Indonesia on their Jakarta–Bandung high-speed railway.[4][5]

Variants

[edit]

All variants of the Fuxing train are compatible. The EMU models share the same standard required by China Railway Corporation, hence the name China Standardized EMU. Fuxing train models can be identified by the designation. No letter after the dash indicates the standard 8-car configuration. A indicates a 16-car configuration; B indicates 17-car configurations; C indicates 8-car multiple units with automatic train operation capability; G indicates 8-car sandstorm and cold climate resistant trainset; and Z indicates 8-car configuration with redesigned interior and exterior. Some variants have two letters indicating combined configuration, such as type GZ being the train set featuring extreme weather resistant capability (type G) and redesigned interior and exterior (type Z).[6]

CR400AF

[edit]
CR400AF

8-car standard production model with standard maximum speed of 420 km/h (261 mph). It is manufactured by CRRC Qingdao Sifang.[7][8]

KCIC400AF/AF-CIT

[edit]

Exported derivative of the CR400AF for Jakarta–Bandung high-speed line.[5]

CR400AF–A

[edit]

16-car version manufactured by CRRC Qingdao Sifang.[9] The first CR400AF-A started operation in July 2018 on the Beijing–Shanghai high-speed railway. These sets are 415 m (1,361 ft 7 in) long and have a passenger capacity of 1,193 passengers.[10]

CR400AF–B

[edit]

17-car version manufactured by CRRC Qingdao Sifang. Testing started in 2018[11] and entered passenger service in 2019 in response to high passenger demand on the Beijing–Shanghai high-speed railway.[12][11] These sets are 440 m (1,443 ft 7 in) and have a passenger capacity of 1,283 people.[13]

CR400AF–C

[edit]

8-car ATO enabled version with redesigned interior and exterior. It is manufactured by CRRC Qingdao Sifang.

CR400AF–G

[edit]

8-car sandstorm and cold climate resistant version. It is manufactured by CRRC Qingdao Sifang.

CR400AF–Z

[edit]
The CR400AF-Z on Beijing–Guangzhou high-speed railway

8-car variant with redesigned and upgraded interior and exterior. It is manufactured by CRRC Qingdao Sifang.[14] It is now being used on most of the high speed railway in China. They have a capacity of 578 passengers.[15]

CR400AF–BZ

[edit]

17-car variant with redesigned and upgraded interior and exterior. It is manufactured by CRRC Qingdao Sifang.

CR400AF-AZ

[edit]

16-car variant with upgraded train system. Manufactured by CRRC Qingdao Sifang

CR400AF–S

[edit]

An upgraded 8-car variant of CR400AF-Z (see below) with enhancements to the interior to accommodate more passengers. It has a capacity of 619 passengers.[16]

CR400AF–AS

[edit]

An upgraded 16-car variant, known as the CR400AF-AS, was introduced in September 2025 with upgraded train system and can accommodate more passengers.It has a capacity of 1254 passengers.[17]

CR400AF–BS

[edit]

An upgraded 17-car variant, known as the CR400AF-BS, was introduced in April 2024 for operation on the Beijing-Shanghai high-speed railway, beginning 15 June 2024. This variant features interior enhancements to accommodate more passengers and includes a new seating class called Premium First Class, positioned between First Class and Business Class.[18]

CR400AF-AE

[edit]

16-car sleeper variant with upgraded train system. Manufactured by CRRC Qingdao Sifang. It is Operation by Beijing West/Shanghai-Hongqiao to Hong Kong West Kowloon High Speed Sleeper Train Service use only.

CR400AF-J

[edit]
The CR400AF-J

The CR400AF-J is a 8-car comprehensive inspection train.

Specification

[edit]
Train type Car dimensions Total length Top speed Seating capacity Formation Power output
(under 25 kV) 		Entry into Service
CR400AF/AF–A/AF–B
CR400AF End cars length: 27.91 m (91 ft 7 in)
Inter cars length: 25.65 m (84 ft 2 in)
Width: 3.36 m (11 ft 0 in)
Height: 4.05 m (13 ft 3 in) 		Calculated: 209.72 m (688 ft 1 in)
Real: 209 m (685 ft 8 in) 		Test: 420 km/h (261 mph)
Design: 400 km/h (249 mph)
Continuous operation: 400 km/h (249 mph)
Current operation: 350 km/h (217 mph) 		556: 10 business, 28 first and 518 standard
576: 10 business, 28 first and 538 standard
392: 10 business, 24 first and 358 standard 		4M4T 10.4 MW (13,947 hp) August 15, 2016
CR400AF–A Calculated: 414.92 m (1,361 ft 3 in)
Real: 414 m (1,358 ft 3 in) 		1193: 22 business, 148 first and 1023 standard 8M8T 19.2 MW (25,748 hp) June 16, 2018
CR400AF–B Calculated: 438.928 m (1,440 ft 0.6 in)
Real: 439.8 m (1,442 ft 11 in) 		1283: 22 business, 148 first and 1113 standard 8M9T January 5, 2019

Formation

[edit]

CR400AF, CR400AF–C, CR400AF–Z, CR400AF–G, CR400AF–S

[edit]
Coach No. 1 2 3 4 5 6 7 8
Type12345 ZYS ZE ZEC ZE ZES
Type6 ZY CA WR ZY
Power Configuration Mc Tp M T M Tp Mc
Power Units Unit 1 Unit 2
Capacity1 5+28 90 75 63 90 5+40
Capacity2 5+24 60 48 42 60 5+28
Capacity3 6+28 90 75 63 90 6+40
Capacity4 5+28 90 75 63 90 6+40
Capacity5 5+32 93 78 83 93 6+43
Capacity6 7+24 / 2+36 24 2+14 7+24
  • ^1 Remaining series
  • ^2 Train No. CR400AF–2017, CR400AF–2142 to CR400AF–2146
  • ^3 Remaining CR400AF–Z series, and CR400AF–C–2214
  • ^4 Train No. CR400AF–Z–1059 to CR400AF–Z–1063, CR400AF–Z–2316 to CR400AF–Z–2340
  • ^5 Train No. CR400AF–S–1064 to CR400AF–S–1080, CR400AF–S–2346 to CR400AF–S–2397
  • ^6 Train No. CR400AF–2018 to CR400AF–2020, 2029, 2369, 2818 (Government trains)

CR400AF–2808 (Government Train)

[edit]
Coach No. 1 2 3 4 5 6 7 8 9 10 11 12
Type ZY CA ZY WR
Power Configuration Tc M Tp M Tp M T M Tp M Tc
Power Units Unit 1 Unit 2 Unit 3
Capacity 7+24 / 60 2+36 24 2+14 24

CR400AF–A, CR400AF–AZ, CR400AF–AE

[edit]
Coach No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Type12 SW ZY ZE ZEC ZE ZY ZYS
Type3 ZYE WR WRC WR ZYE
Power Configuration Tc M Tp M Tp M T M Tp M Tp M Tc
Power Units Unit 1 Unit 2 Unit 3 Unit 4
Capacity1 5+12 60 90 75 48 90 60 5+28
Capacity2 6+12 60 90 75 48 90 60 6+28
Capacity3 12+45 40 18 40 12+45
  • ^1 CR400AF–A series
  • ^2 CR400AF–AZ series
  • ^3 CR400AF–AE series

CR400AF–B, CR400AF–BZ, CR400AF–BS

[edit]
Coach No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Type12 SW ZY ZE ZEC ZE ZY ZYS
Power Configuration Tc M Tp M Tp M T M Tp M Tp M T Tc
Power Units Unit 1 Unit 2 Unit 3 Unit 4
Capacity1 5+12 60 90 75 48 90 60 5+28
Capacity2 6+12 60 90 75 48 90 60 6+28
Capacity3 6+14 62 93 78 73 93 62 5+24
  • ^1 CR400AF–B series
  • ^2 CR400AF–BZ series
  • ^3 CR400AF–BS series

Distribution

[edit]

As of December 2024, there are 533[clarification needed (in China Railways service only, or including KCIC in Indonesia?)] CR400AF series EMU in service.

Operator Quantity Serial number Depot Notes
CR400AF
CR Beijing 5 2183–2187 Beijing South 2183–2187 have LKJ train operation monitoring devices
End cars of 2186, 2187 have small windows
23 0207, 0208, 2002, 2004, 2006, 2007, 2009, 2010, 2012, 2014-2016, 2034, 2047, 2048, 2142–2144, 2179, 2181, 2182, 2213 Beijing West 0207, 0208 are original models
2+2 second class seats in 2142–2144
2213 original number was 2021
8 2008, 2030, 2033, 2058, 2145, 2146, 2178, 2180 Xiong'an 2+2 second class seats in 2145, 2146
CR Guangzhou 15 1006, 1010, 1015-1020, 1022-1025, 1040, 2011, 2226, 2228 Guangzhou South 1006 original number was 1001
1040, 2228 equipped with driver cab's door
9 1007-1009, 1011-1014, 1021, 1039 Chaozhou 1039 equipped with driver cab's door
31 2011, 2017, 2024, 2026-2028, 2035-2038, 2040-2046, 2051, 2053-2055, 2057, 2060-2062, 2064, 2130, 2131, 2133, 2227, 2229 Changsha 2227, 2229 equipped with driver cab's door
CR Jinan 8 2086, 2088–2090, 2134, 2136-2138 Qingdao
12 2085, 2087, 2091–2094, 2139, 2141, 2162, 2163, 2230, 2231 Jinan East 2230, 2231 equipped with driver cab's door
CR Wuhan 15 2124, 2125, 2128, 2151, 2154-2156, 2159, 2164, 2171, 2172, 2174–2177 Wuhan
10 2126, 2127, 2148–2150, 2152, 2153, 2160, 2161, 2173 Hankou
CR Chengdu 17 2005, 2013, 2025, 2031, 2032, 2049, 2135, 2140, 2236, 2244–2248, 2254–2256 Chongqing West 2236, 2244–2248, 2254–2256 equipped with driver cab's door
CR Shanghai 15 2222–2225, 2232–2235, 2237–2243 Shanghai Hongqiao All equipped with driver cab's door
CR Nanning 16 2001, 2003, 2022, 2039, 2050, 2052, 2056, 2059, 2063, 2129, 2132, 2147, 2157, 2158, 2165, 2170 Nanning Tunil
KCIC400AF
Kereta Cepat Indonesia China 11 22 02–22 12 Tegalluar
CR400AF-A
CR Guangzhou 11 1003, 1005, 1026, 1027, 1030, 1032, 1034–1038 Guangzhou South
19 1001, 1002, 1004, 1028, 1029, 1031, 1033, 2065, 2066, 2069, 2071, 2073, 2077–2079, 2098, 2105, 2194, 2195 Shenzhen 1001 original number was 1002
20 2067, 2068, 2070, 2072, 2074–2076, 2080–2084, 2095-2097, 2099, 2100, 2103, 2104, 2106 Changsha
CR Jinan 14 2101, 2102, 2107–2115, 2193, 2201–2205, 2211, 2212 Jinan East
CR Wuhan 8 2190–2192, 2196–2200 Wuhan
CR400AF-B
CR Beijing 13 2116–2123, 2206–2210 Beijing South
CR400AF-G
CR Beijing 4 0021, 2215–2217 Beijing South 0021 used to be the 400kph test vehicle
2215–2217 equipped with driver cab's door
CR400AF-C
CR Beijing 1 2214 Xiong'an Original number was 0210, equipped with driver cab's door and only Fuxing train with HUD display
CR400AF-Z
CR Beijing 10 2251, 2252, 2286–2293 Shijiazhuang
CR Chengdu 5 2253, 2257, 2316–2318 Chongqing West 2253 original number was CR400AF-C-0209
23 1041–1063 Chengdu East
CR Wuhan 8 0211–0218 Wuhan
CR Nanchang 22 0219–0223, 2284, 2285, 2294–2308 Nanchang West
16 2319-2334 Xiamen North
CR Guangzhou 20 2258–2271, 2335–2340 Changsha
CR Jinan 14 2272–2283, 2309, 2310 Qingdao
CR400AF-AZ
CR Guangzhou 5 2311–2315 Changsha
CR400AF-BZ
CR Beijing 2 2249, 2250 Beijing South
CR400AF-S
CR Guangzhou 55 0224–0242, 1064–1068, 1073-1083, 1087, 1088, 2362-2371, 2382-2385, 2394-2397 Shenzhen
CR Chengdu 13 1069–1072, 1084-1086, 1089-1094 Chengdu East
15 2386, 2387, 2403–2406, 2419-2422, 2430-2432, 2439, 2440 Chongqing West
CR Beijing 3 2346–2348 Shijiazhuang
CR Wuhan 18 2349–2352, 2359, 2360, 2389–2393, 2413, 2414, 2423-2425, 2433, 2434 Wuhan
CR Jinan 8 2353–2358, 2435, 2436 Jinan East
5 2372–2376 Qingdao
CR Taiyuan 9 2377–2381, 2411, 2412, 2437, 2438 Taiyuan
CR Nanning 12 2361, 2388, 2407–2410, 2415-2418, 2428, 2429 Nanning Tunil
CR Kunming 2 2426, 2427 Kunming South
CR400AF-BS
CR Beijing 5 2341–2345 Beijing South
CR400AF-AE
CR Guangzhou 5 2398–2402 Shenzhen
CR400AF (Officials)
Government of China 4 2018, 2019, 2808, 2818 Special Transportation Office Official Trains
Carriage 6 of trainset 2808 and 2818 have similar structures to CRH380A–2808
Trainset 2808 have 12 carriages instead of regular 8
CR400AF-J
China Railway of Academy Sciences 1 0002 N/a
CR400AF-Z
Guangzhou Railway Vocational Technical College 1 CR400AF-Z-GRP01 N/a Teaching vehicle, power configuration is 1M1T
KCIC400AF-CIT
Kereta Cepat Indonesia China 1 22 01 Tegalluar Comprehensive Inspection Train
CR400AF-S
1 0001 Double-decker EMU test train
[edit]
  • CR400AF prototype testing in the National Railway Test Center, Beijing. It was called CRH-0208 at that time.
    CR400AF prototype testing in the National Railway Test Center, Beijing. It was called CRH-0208 at that time.
  • CR400AF-2016 departing Shanghai railway station as G6
    CR400AF-2016 departing Shanghai railway station as G6
  • CR400AF-BZ-2249 at Beijing South railway station
    CR400AF-BZ-2249 at Beijing South railway station
  • KCIC400AF at Tegalluar station, awaiting departure to Jakarta's Halim station
    KCIC400AF at Tegalluar station, awaiting departure to Jakarta's Halim station
  • Business class seats on CR400AF-B-2116
    Business class seats on CR400AF-B-2116
  • Redesigned business class seats on CR400AF-BZ-2249
    Redesigned business class seats on CR400AF-BZ-2249
  • First Class cabin interior on CR400AF-B-2119
    First Class cabin interior on CR400AF-B-2119
  • Premium First Class on CR400AF-BS-2344
    Premium First Class on CR400AF-BS-2344
  • Premium Economy class seats on KCIC400AF, operating in Indonesia
    Premium Economy class seats on KCIC400AF, operating in Indonesia

See also

[edit]

References

[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

China Railway CR400AF

View on Grokipedia
from Grokipedia
The China Railway CR400AF, also known as the Fuxing () train, is a high-speed (EMU) developed under China's standard EMU program and manufactured by Locomotive & Rolling Stock Co., Ltd. It operates at a maximum commercial speed of 350 km/h (217 mph) on dedicated lines, with a tested maximum speed of 420 km/h (261 mph), making it one of the fastest conventional high-speed trains in regular service worldwide. The train employs a power-distributed design with asynchronous AC traction motors, an aluminum alloy body for lightweight construction, and advanced aerodynamic profiling to minimize air resistance and energy consumption. Introduced on June 26, 2017, the CR400AF debuted on the , replacing older CRH380 series trains and reducing travel time between the two cities to about 4.5 hours. Developed entirely with domestic by in collaboration with , it represents a key milestone in China's indigenous technology, surpassing imported designs in speed, comfort, and efficiency. The basic 8-car formation seats 576 passengers across business, first, and second classes, equipped with features like , power outlets, adjustable seats, and an on-board monitoring system for enhanced safety and passenger experience. The CR400AF series includes variants such as the 16-car CR400AF-A for higher capacity (up to 1,200 passengers) and the extra-long 17-car CR400AF-B, both maintaining the same top speed while optimizing for dense routes. It primarily serves major intercity lines including –, –, and –, contributing to China's extensive network that spans over 50,000 km as of 2025. Nicknamed the "Red Dragon" for its sleek crimson exterior, the train embodies China's advancements in rail engineering, with ongoing exports and adaptations like the CR400AF-based models for international projects.

Introduction

Overview

The China Railway CR400AF is a second-generation Chinese high-speed (EMU) train in the Fuxing (Rejuvenation) series, developed under the China Standardized EMU program to standardize and advance domestic technology. This initiative aimed to create a unified platform for speeds up to 400 km/h, with the CR400AF representing a key evolution from earlier CRH series trains by incorporating fully indigenous design and manufacturing. Manufactured by Locomotive and Rolling Stock, the CR400AF features an operational speed of 350 km/h and a design speed of 400 km/h (tested to 420 km/h), enabling efficient long-distance operations. It entered commercial service in September 2017, initially on the Beijing-Shanghai high-speed railway, marking a milestone in China's push for technological self-reliance in . As of June 2025, approximately 550 units of the CR400AF are in service, predominantly configured as 16-car sets to accommodate high passenger volumes. The train forms the backbone of China's extensive network, particularly on flagship routes like the Beijing-Shanghai line, where it has reduced travel times from over five hours to about 4.5 hours, enhancing connectivity and across major cities.

Naming and branding

The official designation of the train is China Railway CR400AF, where "CR" stands for and "400" denotes its design speed of 400 km/h. The "AF" suffix indicates production by Locomotive and . It is compatible with 25 kV 50 Hz AC overhead electrification, standard for China's high-speed rail network. In June 2017, China Railway Corporation conducted a naming ceremony in , officially designating the CR400AF and related models as part of the Fuxing (复兴号, meaning "") series to evoke national rejuvenation and symbolize 's progress in indigenous technology. This renaming underscored the train's role as a emblem of national pride, representing a shift from imported to domestically developed systems. The Fuxing branding highlights technological , aligning with broader goals of advancing 's engineering capabilities. The CR400AF has earned the nickname "Red Dragon" among rail enthusiasts and media, inspired by its sleek aerodynamic profile and prominent red livery that resembles the mythical in motion. This moniker emphasizes the train's cultural resonance and dynamic design. As a of China's exports and domestic network, the CR400AF features in official promotional campaigns by Corporation, showcasing its fully indigenous development as a key achievement in the "" industrial strategy for high-tech manufacturing innovation. These materials often portray the train as a symbol of economic vitality and global competitiveness in rail technology.

Development

Background and research

The development of the China Railway CR400AF, part of the Fuxing series of high-speed electric multiple units (EMUs), emerged from 's strategic shift toward indigenous high-speed rail technology following the initial reliance on imported designs in the CRH series. During the early , imported and assembled CRH trains based on foreign technologies from , , and through agreements, but restrictions imposed by international partners on core prompted a push for . This evolution was formalized under the 11th Five-Year Plan (2006–2010), which prioritized railway modernization and domestic innovation to reduce dependency on external suppliers and build a unified national high-speed rail ecosystem. Research for the CR400AF began in as a core component of the China Railway Comprehensive Standardization Experiment , initiated by the (later the China Railway Corporation) to establish proprietary standards for high-speed EMUs. This effort integrated resources from six state-owned enterprises, 25 universities, 11 research institutions, 51 specialized laboratories, and over 10,000 engineers, marking a collaborative national endeavor to create a standardized platform with full domestic rights. The was officially launched in June 2013, building on prior CRH platforms to develop next-generation trains capable of seamless across China's expanding network. Key objectives included achieving an operational speed of 350 km/h while improving energy efficiency and reliability beyond predecessors like the CRH380 series, which had higher maximum speeds but greater operational costs and foreign component dependencies. The design targeted reduced through optimized and systems, alongside enhanced durability for intensive service, aiming to lower lifecycle costs and support sustainable network growth. These goals aligned with broader aims to foster technological independence and economic benefits from deployment. The initiative received strong policy backing from State Council directives outlined in the Medium- and Long-Term Railway Network Plan, which mandated expansion of the network to 18,000 km by 2020 to connect major economic hubs and promote . This expansion was supported by substantial funding, emphasizing indigenous as a national priority to secure supply chains and export potential.

Design and manufacturing

The design of the China Railway CR400AF, part of the Fuxing series, was finalized in September 2014 as a key milestone in China's standardized (EMU) program, emphasizing modular components to facilitate maintenance, scalability, and cost efficiency across variants. This approach allowed for interchangeable parts in systems like traction and braking, reducing lifecycle costs and enabling rapid production adjustments. Central to the CR400AF's engineering are innovations such as asynchronous squirrel-cage induction traction motors, which provide efficient power delivery at high speeds, paired with a fully system featuring eight powered bogies in the standard eight-car formation—comprising four motor cars each with two powered bogies and four trailers. This configuration enhances traction stability and energy distribution without centralized power cars, contributing to the train's operational reliability. Manufacturing of the CR400AF occurs at the Locomotive and Rolling Stock facility, utilizing aluminum extruded body structures for lightweight yet durable construction that improves energy efficiency and reduces axle loads. The first rolled out on June 30, 2015, marking the transition from design to physical production. Development involved collaboration among Chinese railway entities and CRRC subsidiaries, integrating advanced technologies protected by over 1,000 patents in innovation, including sophisticated systems for stable overhead current collection and electro-pneumatic braking setups for precise force distribution. These elements underscore the CR400AF's role in advancing indigenous capabilities.

Testing and introduction

The testing of the CR400AF, part of the Fuxing high-speed train family, commenced in July 2015 with dynamic trials on the Beijing-Shijiazhuang test track, where prototypes achieved speeds up to 420 km/h. These tests encompassed 66 vehicle-type evaluations across multiple lines, including –, focusing on performance under high-speed conditions. During trials in July 2016, the train demonstrated intersection speeds of 420 km/h, validating its aerodynamic and structural integrity. Certification was granted in 2016 by the China Academy of Railway Sciences following comprehensive type testing and application assessments, confirming compliance with safety and operational standards. Key challenges during testing included and management; interior levels were reduced by 1–7 dB at 350 km/h compared to prior models through optimized materials and designs, while lateral stability improved by 21% and vertical by 11%, enhancing passenger comfort. The CR400AF entered revenue service on June 26, 2017, initially operating at 300 km/h on the and taking approximately 4 hours 48 minutes for the journey. On September 21, 2017, operations at the design speed of 350 km/h were introduced, reducing the travel time to about 4 hours 18 minutes. Initial deployment involved batch production sets, with 16-car variants introduced in July 2018 to expand capacity on the route. By 2018, the train achieved full commercial operation across key lines, signifying China's complete transition to domestically developed technology with independent intellectual property rights.

Design and technology

Exterior and aerodynamics

The CR400AF exhibits a streamlined body design characterized by a double-arch , which facilitates efficient integration on the roof for contact during high-speed travel. This configuration minimizes and supports stable current collection. The exterior is finished in a distinctive silver body with red stripes, often referred to as the "Red Dragon" , enhancing its visual identity while adhering to standard branding. Aerodynamic optimizations for the CR400AF were developed through rigorous testing and detached-eddy numerical methods, focusing on the shape to lower overall drag and improve crosswind stability. The double-arch design reduces high-pressure zones at the front, contributing to better performance than earlier single-arch configurations, with validated simulations showing drag coefficients around 0.73–0.76 for optimized variants in scaled models. Compared to predecessors like the CRH380 series, the head shape enhancements yield measurable reductions in air resistance, supporting operational speeds up to 350 km/h. The train's structure employs ultrathin hollow aluminum alloy extruded profiles for the car body frame, providing corrosion resistance, structural integrity, and significant weight savings—resulting in an empty weight of approximately 420 tonnes for an 8-car set. Composite materials are incorporated in select panels to further lighten the without compromising . To address diverse operating environments, the CR400AF incorporates dust-proof seals around doors, windows, and underbody components to prevent ingress of particulates in arid regions. Cold-weather variants, such as the CR400BF-GZ adaptation, feature enhanced and anti-icing measures on the and bogies, enabling reliable service in temperatures as low as -40 °C and snowy conditions.

Interior and amenities

The CR400AF features a multi-class seating arrangement designed to cater to varying passenger needs, with offering configuration for enhanced comfort in dedicated cars, typically accommodating around 20 seats across the formation. First-class seating also employs a layout with increased legroom and adjustable headrests, while second-class uses a arrangement for higher density. In the 16-car variant (CR400AF-A), the train provides a total of 1,193 passengers, balancing space efficiency with operational demands. Passenger amenities emphasize convenience and modern connectivity, including free coverage throughout the cars for mobile access and entertainment. Power outlets are available at every seat, supporting device charging via standard sockets and USB ports. Certain variants, such as the intelligent CR400AF-Z, feature a dedicated with a bar area equipped with automated vending machines offering self-service options for snacks, drinks, and fruits. Interior noise levels are maintained at approximately 64 dB(A) during operation at 350 km/h, achieved through advanced and insulation materials that reduce cabin noise by 1–3 dB compared to predecessors. Seats across classes are adjustable for recline and positioning to improve long-journey comfort. Accessibility provisions support diverse passengers, with dedicated wheelchair spaces in select cars, including priority areas near restrooms and adjustable tie-down fixtures. Braille signage is integrated into service facilities, such as controls and directories, to assist visually impaired travelers. Family-friendly zones are designated in second-class areas, featuring grouped seating and proximity to amenities for easier management of children and luggage. Sustainability features incorporate energy-efficient systems, such as LED lighting throughout the interiors for reduced power draw and . The HVAC system employs frequency conversion technology for precise temperature regulation, minimizing energy use while maintaining air quality and lowering operational noise. These elements contribute to an overall 17% reduction in energy at operational speeds.

Propulsion and power systems

The CR400AF (EMU) obtains its power from a 25 kV 50 Hz AC overhead system, enabling efficient high-speed operation across China's electrified rail network. The traction system incorporates , which converts during deceleration back into for reuse, thereby enhancing overall energy efficiency. The propulsion is driven by 16 YQ-625 three-phase asynchronous AC induction distributed across the four powered cars in the standard 8-car (4M4T) formation, delivering a total rated power of 10,400 kW. Power conversion is handled by water-cooled (IGBT) variable voltage variable frequency (VVVF) inverters, which provide precise control and thermal management for sustained high-performance output. The bogies employ a fully suspended configuration, contributing to smooth and reduced vibration, while maintaining an below 17 tons to minimize track wear and support lightweight design goals. This setup yields a of approximately 20.7 kW per ton, facilitating rapid from standstill to 350 km/h in 391 seconds.

Safety and control systems

The CR400AF incorporates an advanced regenerative electro-pneumatic braking system that integrates with the train's components to recover during deceleration, achieving regenerative power 1.3 times the traction capacity of 10,400 kW and significantly reducing wear on brake pads. This system employs compound electro-pneumatic control for unified management and distribution of braking forces, ensuring consistent deceleration curves across the train formation. It also includes electronic anti-skid devices for both electric and air braking modes, which detect wheel sliding and apply adhesion regaining control to maintain stability and prevent lock-up during high-speed stops. For train control and signaling, the CR400AF is fully compatible with the Chinese Train Control System Level 3 (CTCS-3), enabling precise speed supervision and automatic protection against overspeed or signal violations. Later variants, such as the CR400AF-C, incorporate (ATO) functionality under the CTCS-3 + ATO framework, supporting automated departure, sectional running, precise station stopping within 3 meters, door control, and speed adjustments to enhance operational efficiency and safety. Structural safety features emphasize through multi-level energy-absorption designs in the end structures, including collision-resistant carbodies equipped with five-hole combined energy-absorbing devices using metal thin-wall pipe fittings for high-capacity impact mitigation. These designs have been verified in collision tests meeting international standards such as EN 15227, with conducting full-scale impacts at speeds up to 76 km/h to ensure occupant survival space and structural integrity. All passenger cars are fitted with comprehensive compliant with EN 45545 standards, including automatic detection and extinguishing mechanisms to mitigate risks from electrical or material fires. The train's monitoring capabilities rely on over 2,500 points distributed across key components, providing real-time health diagnostics through IoT-enabled networks for . These s collect data on more than 1,500 parameters, including bearing temperatures and system faults, transmitted via / wireless systems and the Wireless Transmitting Device (WTD) to ground control for early and proactive interventions.

Specifications

Dimensions and capacity

The China Railway CR400AF, part of the Fuxing series, adheres to standard dimensions designed for compatibility with China's infrastructure. It measures 3.36 meters in width and 4.05 meters in , optimizing and clearance on dedicated tracks. The train operates on a standard of 1,435 mm, aligning with international norms for systems. Train length varies by formation to accommodate different route demands and volumes. The 8-car configuration spans approximately 209 , while longer sets extend to 414.26 for 16 cars and 440 for 17 cars. The gross weight of a typical Fuxing set is about 450 tonnes, reflecting its aluminum alloy construction for reduced mass while maintaining structural integrity. The maximum is under 17 tonnes. Passenger capacity is configured for efficiency, with seating arrangements prioritizing second-class accommodations. The following table summarizes key capacities across formations:
FormationLength (m)Passenger Capacity
8-car209576
16-car414.261,193
17-car4401,283
Each passenger is allowed a baggage limit of 20 kg on high-speed services, including the CR400AF, to ensure smooth loading and management within dedicated luggage areas.

Performance characteristics

The CR400AF operates at a maximum commercial speed of 350 km/h, with prototypes having achieved a test speed of 420 km/h during validation trials. This speed profile enables efficient long-distance while adhering to infrastructure limits on major lines like the . Cruising power consumption stands at approximately 19.5 kWh/km under typical operating conditions at 350 km/h. The train can attain 350 km/h from standstill in about 391 seconds, a significant improvement over prior models. Service braking provides a deceleration rate of 1.0 m/s², ensuring controlled stops that prioritize comfort and . These dynamics contribute to smooth ride profiles with vertical and lateral accelerations maintained below 2.5 m/s². The CR400AF demonstrates enhanced energy efficiency, achieving roughly a 17% reduction in energy consumption compared to the CRH380 series through optimized traction motors and aerodynamic refinements. The traction power is 10,400 kW for the 8-car formation. At operational speeds, interior noise levels are approximately 68 dB, a 1–3 dB decrease relative to predecessors, facilitated by advanced sound insulation and streamlined design.

Formation configurations

The CR400AF high-speed train is offered in multiple formation configurations to accommodate varying route demands and volumes on China's rail network. These setups differ primarily in the number of cars, the balance between powered (motor) and unpowered (trailer) cars, and overall length, enabling flexible deployment from regional services to major corridors. The base 8-car formation adopts a 4M4T configuration, consisting of four power cars and four trailer cars, with a total length of approximately 209 meters. This setup is suited for shorter routes or lines with moderate traffic, providing efficient operation while maintaining the train's 350 km/h design speed. For higher capacity needs, the 16-car formation (CR400AF-A) uses an 8M8T arrangement with eight power cars and eight trailer cars, extending the total length to about 415 . This configuration serves as the standard for high-density lines, such as the Beijing-Shanghai route, where intermediate cars may incorporate specialized features like dining and accommodations to enhance experience on longer journeys. The 17-car formation (CR400AF-B) maximizes passenger throughput with an 8M9T setup, featuring eight s and nine trailer cars for a length of roughly 439 meters. Deployed on the busiest corridors for , it supports enhanced capacity and, in specialized variants, options such as sleeper accommodations for overnight services. Power distribution across all configurations is decentralized and non-articulated, with each equipped with traction motors and auxiliary systems, while main transformers are housed in the end cars to supply the voltage conversion for the entire consist. This design ensures reliable and energy efficiency, with pantographs typically positioned on intermediate trailer cars for optimal current collection.

Variants

Standard CR400AF series

The standard CR400AF series represents the core lineup of the Fuxing high-speed family, optimized for efficient domestic operations at speeds up to 350 km/h without adaptations for export or specialized environments. The base CR400AF model, an 8-car formation, was introduced in 2017 as China's first domestically developed standard high-speed train, entering commercial service on the . Manufactured by , it features a power-dispersed design with aluminum alloy bodywork for enhanced aerodynamics and energy efficiency. The CR400AF-A variant maintains the 16-car configuration but incorporates (ATO) capabilities for semi-autonomous running, improving punctuality and capacity utilization on high-density routes. Deployed in 2018 on the – line, it supports a passenger capacity of 1,193 across , first, and second classes, enabling more precise scheduling during peak hours. This model builds on the base design by integrating advanced signaling interfaces while preserving the 350 km/h operational speed. For increased demand on major corridors, the CR400AF-B offers a 17-car high-capacity layout with 1,283 seats, including 22 VIP, 128 first-class, and 1,133 second-class accommodations. Unveiled in late 2018 and targeted at peak routes like –, it extends the formation length to 439.8 m while upholding the same 350 km/h service speed and safety standards, such as enhanced traction and braking systems. The additional car boosts throughput without compromising ride comfort or stability. The CR400AF-C is an 8-car intelligent variant featuring (ATO) capabilities and a redesigned interior for enhanced passenger experience. Designed for lines like –, this model retains the core capabilities and 350 km/h speed but incorporates advanced automation and comfort features for improved operations. By 2024, over 400 units across the standard CR400AF, CR400AF-A, CR400AF-B, and CR400AF-C variants had been produced, forming a substantial portion of China's high-speed fleet.

Specialized and export variants

The CR400AF-G variant is a specialized high-cold of the CR400AF series, designed for operations in extreme low-temperature environments down to -40°C. It incorporates systems for brakes and pipework to prevent freezing, along with sealing strips to block snow and ice ingress, and temperature-resistant brake control devices. Chromium-molybdenum alloy bolts and stainless-steel pipes with integrated heating further enhance durability in frigid conditions. Heated bogies prevent ice accumulation, ensuring reliable performance in sub-zero conditions. Sleeper configurations of the CR400AF series include the CR400AF-AE, a 16-car variant introduced in 2024 that serves as the world's fastest high-speed sleeper train with a maximum operating speed of 350 km/h. This model features 13 dedicated sleeper carriages equipped with soft berths, alongside two second-class seating cars and one , prioritizing overnight comfort on long-distance routes. The CR400AF-S represents an upgraded 8-car seated variant with an optimized interior layout that increases passenger capacity to 619 seats compared to earlier models. Similarly, the CR400AF-Z is an intelligent variant focused on enhanced automation and passenger features, though it maintains standard seating rather than sleeper accommodations. The CR400AF-BS is an upgraded 17-car formation introduced in April 2024, specifically tailored for high-density routes with a total capacity of 1,347 passengers. This variant employs a refined seating arrangement and power distribution to support sustained 350 km/h operations while improving energy efficiency. For export markets, the KCIC400AF is an adapted version of the CR400AF exported to Indonesia, operating at 350 km/h on the Jakarta-Bandung high-speed line since its opening in 2023. A total of 11 sets have been delivered and integrated into service, marking China's first major high-speed rail export to Southeast Asia. To suit tropical climates, it includes advanced body coatings for corrosion resistance and humidity-tolerant electronics to ensure reliability in high-moisture environments.

Operations

Deployment in China

The CR400AF is primarily deployed on key domestic high-speed routes in , such as the , where it reduces travel time to approximately 4 hours, and the , one of the world's longest high-speed lines. These routes represent core applications for the train. Operations are managed by subsidiaries of the Corporation, including the Railway Bureau, Railway Bureau, and Railway Bureau, with major maintenance depots located in , , and to support efficient turnaround and servicing. As of December , the CR400AF fleet in comprises 533 units, predominantly in 16-car configurations, enabling daily operations exceeding 1,000 services across the network. The train is integrated into China's network, which measured 48,000 km as of the end of and exceeded 50,000 km by , where it is prioritized for G-class premium services offering higher speeds and enhanced passenger amenities on flagship corridors.

International operations

The primary international deployment of the China Railway CR400AF occurs in , where an export variant designated as the KCIC400AF operates on the Jakarta-Bandung High-Speed Railway (HSR). This 142.3 km line, connecting the capital to the city of , commenced commercial operations on October 17, 2023, marking Southeast Asia's first network. The KCIC400AF trainsets achieve a maximum operating speed of 350 km/h, reducing the journey time between and to approximately 40 minutes, compared to over three hours by conventional rail or road. A fleet of 11 eight-car trainsets, each with a capacity of around 600 passengers, was supplied by Locomotive & Rolling Stock Co., Ltd., and is maintained by PT Kereta Cepat Indonesia China (KCIC), a between Indonesian and Chinese entities. By mid-2025, the line had carried over 10 million passengers. Key challenges in this deployment involved adapting the trains to Indonesia's , including enhancements for , heavy rainfall, and temperatures up to 40°C, such as improved systems and corrosion-resistant materials. Local crew training programs were successfully completed in 2023, certifying over 600 Indonesian personnel in operations, signaling, and maintenance through collaboration with Chinese experts. As of 2024, discussions are underway for potential CR400AF-based expansions under China's , including integration into Thailand's Bangkok-Nakhon Ratchasima project, which aims to link with the broader regional network extending to and .

Performance and efficiency

The CR400AF high-speed train has demonstrated exceptional operational reliability in service, achieving an on-time performance rate exceeding 99% across China's network in 2024, with average delays typically under one minute due to advanced signaling and scheduling systems. This contributes to its role in efficient mass transit, minimizing disruptions for passengers on major routes. In terms of energy efficiency, the CR400AF consumes approximately 20-25 kWh per kilometer in operational service, reflecting optimizations in and propulsion that align with broader Fuxing series averages around 21 kWh/km. Its environmental impact is notably low, with CO2 emissions estimated at about 21 grams per passenger-kilometer, significantly less than air travel's 100-200 grams per passenger-kilometer, supporting China's goals for . Maintenance requirements for the CR400AF emphasize durability and cost-effectiveness, with major intervals set at 600,000 kilometers, enabling streamlined servicing that yields approximately 20% cost savings compared to earlier CRH models through enhanced and modular components. Passenger feedback highlights high overall satisfaction with the CR400AF's comfort features, including spacious interiors and quiet operation, though surveys note occasional crowding during peak travel periods on high-demand lines, affecting perceived service quality.

Recent developments

Upgrades and expansions

In 2025, expanded its CR400AF fleet as part of a broader initiative, adding over 230 new high-speed and sleeper trainsets starting July 1 to support extended services on key corridors. This included enhanced sleeper configurations, with the CR400AF-AE variant—introduced in mid-2024—entering full operational service on overnight routes such as West Kowloon to West, reducing travel times to under 11 hours at speeds up to 350 km/h. By late 2025, the CR400AF series fleet had grown significantly to meet rising passenger demand exceeding 3 billion journeys annually on the high-speed network. Upgrades to existing CR400AF trainsets focused on automatic train operation (ATO) enhancements for improved efficiency and safety. These modifications, implemented in variants like the CR400AF-C, integrated advanced signaling with the CTCS-3+ATO system, paving the way for with CR450 prototypes derived from the CR400AF platform. The CR450AF, unveiled in December 2024, achieved 420 km/h in trials by October 2025, positioning it as the successor for 400 km/h operations. The CR400AF-S variant, rolled out in late 2024, featured optimized interiors and increased capacity to 619 passengers per 8-car set (or approximately 1,238 per 16-car set). Infrastructure developments complemented these upgrades, with construction of dedicated 400 km/h lines progressing to enable CR400AF speed uplifts by 2026. These lines, part of a network expansion surpassing 50,000 km by year's end, incorporated upgraded and track systems to sustain higher operational velocities for the Fuxing family.

Future plans

China Railway anticipates continued deployment of the CR400AF series on expanding high-speed networks, with the overall system projected to reach 60,000 kilometers by 2030, supporting interim operations on lines prepared for higher speeds until the CR450 model's full rollout. Export opportunities under the remain promising, including supply contracts for derated CR400AF-based trains to as part of the Hungary-Serbia railway project, integrating with the upgraded 200 km/h line to enhance regional connectivity. Technological advancements for the CR400AF platform include integration of AI-driven systems, leveraging sensor data and connectivity for real-time monitoring on new lines, as demonstrated in recent Fuxing family optimizations. Sustainability efforts align the CR400AF with China's carbon neutrality goals by 2060, through energy-efficient designs that contribute to significant CO2 reductions via shifts from air and road travel.

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