3 was built by Alco-Cooke in June 1910, #48052, as American Rolling Mills 3802.  It was sold to Birmingham Rail & Locomotive Co in October 1926 and sold as Alabama Marble Co 3 in March 1927.  It was merged as Georgia Marble Co 3 in 1962 and donated as HDRM in August 1966..

38 was built by Baldwin in November 1924, #58101, as Batson & Hatton Lumber Co 12.  It was sold to Birmingham Rail & Locomotive in August 1935.  It was sold as Woodward Iron Co 38 In October 1935 and donated to HDRM in December 1963.

40 was built by Davenport Locomotive Work in November 1953, #3420, as Alabama Power Co 40.  It was donated to HDRM.

82, Class 80, HH900, was built by Alco in March 1937, #68788, as Birmingham Southern 82, Class 80. It was sold to American Cast Iron Pipe Co as 103 in December 1963.  It was donated to HDRM in 1985 and restored as BS 82.

4046 was built by Lima Loco 4046 was built by Lima Locomotive in January 1944, #8380, as United States Army 4046.  It was sold to Mississippi Valley Equipment as Alabama By-Products Co 4046 in 1947.  It was donated to HDRM in June 1969.