Milwaukee H12-44 743
- Group: Milwaukee Road 2310-2314
- Railroad class: 12 F-S
- Builder number: FM 12L826
- Builder date: January, 1954
- Order number: LD-117
- Phase: III
- Horsepower: 1200
- Prime mover: Non-turbocharged 6-cylinder FM opposed piston 38D8 1/8
- Main generator: Westinghouse 481B
- Traction motors: Westinghouse 362B
- Production: 338 units between May, 1950, and March, 1961
- Milwaukee Road ownership: 47 units
Milwaukee Road 2313 > Milwaukee Road 743
Built as Milwaukee Road 2313 in January, 1954, as part of the railroad’s fifth order, for five units. It was renumbered Milwaukee Road 743 in August, 1959, retired in July, 1979, and sold for parts to Colt Industries, Milwaukee, Wisconsin, successor to Fairbanks-Morse, in April, 1980.
- J. Michael Gruber, Diesels of the Milwaukee Road, Volume 1, Withers Publishing, 2010, 86-96
- John F. Kirkland, The Diesel Builders: Fairbanks-Morse and Lima-Hamilton, Interurban Press, 1985, pgs 99-100