Locomotives on display on the south side of the Pant and Test building for the September 1997 75th Anniversary Open House, front to rear:
Atlantic Coast Line E3 No. 501, built in November 1939
Belt Railway of Chicago TR2A No. 501 built in December 1949 coupled to TR2B No. 510 built in November 1949
EMD SD90MAC Demonstrator No. 8204, built in May 1997
Janesville & Southeastern BL2 No. 52 built in March 1949
Chicago & Northwestern GP7 No. 1518 was built in October 1949 and was the first GP model locomotive built
CSX SD70MAC No. 701 was built in July 1997