The China Railways JF (Chinese: 解放; pinyin: Jiěfàng; lit.

'Liberation') class is a name given to a group of classes of steam locomotives for freight trains with 2-8-2 wheel arrangement operated by the China Railway.

Originally designated ㄇㄎ壹 (MK1) class by the China Railways in 1951, the present name was assigned to them in 1959.

[1] The JF group of classes is made up of twenty different classes of 2-8-2 steam locomotives: The locomotives were used across the Chinese railway system, and were in service on the national railway system until 1996; on industrial rail networks some locomotives remained in use until the early 2000s.

Several of the class have been preserved.