1, 20 Ton, was built by General Electric in June 1938, #12449, as Lehigh Portland Cement Co no number.  It became General Portland Industries 1 later and donated to MRHD.

028, 45 Ton, was built bu General Electric in March 1944, #27634, as United States Army 7927.  It was sold by Birmingham Rail & Locomotive Co and resold as Ideal Cement Co 028.  It was given a bicentennial paint scheme and apparently sold to Midland.  It seems that it was scrapped.

460, 44 Ton, was built by General Electric on December 26, 1942, #15760, as Atchison Topeka & Santa Fe 460, Class 460.  It was sold as Kansas City Municipal Board of Public Utilities 460 on June 3, 1966 and sold as MDRY 460,

524, NW-2, was built by Electro-Motive in August 1946, #3623, FN E699-8, as Chicago Burlington & Quincy 9227.  It became Burlington Northern 524, Class NW-2, in 1970 and retired in July 1982.  It was sold to  Chrome Locomotive Co in August 1982 and sold as MDRY 524 in March 1987.

4079, GP20, was built by Electro-Motive in April 1962, #27350, FN 5634-6, as Southern Pacific 7229, Class DF-617.  It was renumbered 4079, Class EF420-1, in 1966 and sold as Precision National Corp 4079 in 1987.  It was sold as Grainbelt Corp "Cheyenne" 4079 and sold to MDRY in 2017.