CR400BF 8-car standard production model with standard maximum speed of . It is manufactured by
CRRC Changchun Railway Vehicles.
CR400BF–A 16-car version manufactured by
CRRC Changchun Railway Vehicles. Testing of this variant started on March 9, 2018. The first CR400BF-A started operation of the
Beijing–Shanghai high-speed railway on June 29, 2018. These sets are and have a passenger capacity of 1,193 people.
CR400BF–C 8-car
ATO enabled version with redesigned interior and exterior used on the
Beijing–Zhangjiakou intercity railway in preparation for the
2022 Winter Olympics. It is manufactured by
CRRC Changchun Railway Vehicles. The interior design incorporates snow and ice elements with blue ambient light. The train is also equipped with high-definition LED destination displays, wireless charging for business class seats, and
smart glass windows. Additional features include snowboard storage and
urine sampling areas. The trains are manufactured by
CRRC Changchun Railway Vehicles. CR400BF–C started operating on December 30, 2019, with the opening of the Beijing–Zhangjiakou ICR.
CR400BF–G 8-car sandstorm and cold resistant version for use in more extreme weather. It is manufactured by
CRRC Changchun Railway Vehicles. Shares same exterior style as the CR400BF.
CR400BF–Z 8-car variant with redesigned and upgraded interior and exterior. It is manufactured by
CRRC Changchun Railway Vehicles.
CR400BF–AZ 16-car variant with upgrade new train in December 2023. Manufactured by
CRRC Changchun Railway Vehicles.
CR400BF–BZ 17-car variant with redesigned and upgraded interior and exterior. It is manufactured by
CRRC Changchun Railway Vehicles.
CR400BF–GZ 8-car sandstorm/cold resistant version with redesigned interior and exterior. It is manufactured by
CRRC Changchun Railway Vehicles.
CR400BF–J 8-car
HSR inspection train with redesigned exterior, similar to CR400BF-C and BF-Z series.
CR400BF–S 8-car variant with upgraded train system and can accommodate more passengers. It was introduced in May 2024 and manufactured by
CRRC Changchun Railway Vehicles.
CR400BF–GS 8-car sandstorm/cold resistant version with upgraded train system and can accommodate more passengers with a capacity of 619 passengers. It was introduced in July 2024 and manufactured by
CRRC Changchun Railway Vehicles.
CR400BF–AS 16-car variant with upgraded train system and can accommodate more passengers.It was introduced in May 2025 with upgraded train system and can accommodate more passengers.It has a capacity of 1254 passengers.
CR400BF–BS Like the
CR400AF-BS, an upgraded 17-car variant called the CR400BF-BS was introduced in April 2024 for use on the Beijing-Shanghai high speed railway from 15 June 2024. This variant features interior enhancements to accommodate more passengers and a new seating class called Premium First Class, which is intermediate between First Class and Business Class. ==Specification==