Chicago and North Western 175
Chicago and North Western 175 is a preserved R-1 class 4-6-0 "Ten-wheeler" type steam locomotive, built in December 1908 by the American Locomotive Company (ALCO). The locomotive was used for pulling various passenger and freight trains throughout Wisconsin, until the Chicago and North Western (C&NW) Railroad ended revenue steam operations in 1956.
Source: Wikipedia — Chicago and North Western 175 (CC BY-SA 4.0)