Chicago, Burlington and Quincy class O-5
The Chicago Burlington and Quincy O-5 was a class of 36 4-8-4 "Northern" type steam locomotives built by the Baldwin Locomotive Works in 1930 and the Chicago, Burlington and Quincy Railroad (CB&Q) between 1936 and 1940 and operated by the CB&Q until the late 1950s. The locomotives saw service pulling both freight and passenger trains and four have been preserved, all of which are on display.
Source: Wikipedia — Chicago, Burlington and Quincy class O-5 (CC BY-SA 4.0)