KD7 type 1-4-0 mainline general purpose steam locomotives were built in the USA and supplied to China by UNRRA as part of the post war rehabilitation effort in 1946. China received 160 units from the Baldwin Works.
Length 20.3 m
Loco weight 152 t
Maximum speed 90 km/h
Power output 897 kW
Tractive effort 170 kN
Built 1946-1947
Total 160 units