Fairbanks-Morse, is a historic American (and Canadian) industrial scale manufacturer. It later diversified into pumps, engines and industrial supplies. One arm of the company is now a Diesel engine manufacturer located in Beloit, Wisconsin and has specialized in the manufacture of opposed-piston Diesel engines for United States Navy vessels and railroad locomotives since 1932. The diesel railroad locomotives the company produced are as follows:

Cab units

Model	Build year	Total produced	Wheel arrangement	Prime mover	Power output	Image
FM Erie-built	1945–1949	82 A units 29 B units	A1A-A1A	FM 38D-10 opposed-piston	2,000 hp (1.49 MW)
FM OP800	1939	6	2-A1A	FM 38D-5 opposed-piston	800 hp (0.60 MW)
FM P-12-42	1957–1958	4	B-2	FM 38D-8 opposed-piston	1,200 hp (0.89 MW)

Switchers

Model	Build year	Total produced	Wheel arrangement	Prime mover	Power output	Image
FM H-10-44	1944–1950	195	B-B	FM 38D-6 opposed-piston	1,000 hp (0.75 MW)
FM H-12-44	1950–1961	336	B-B	FM 38D-6 opposed-piston	1,200 hp (0.89 MW)
FM H-12-44TS	1956	3	B-B	FM 38D-6 opposed-piston	1,200 hp (0.89 MW)

Road Switchers

Model	Build year	Total produced	Wheel arrangement	Prime mover	Power output	Image
FM H-15-44	1947–1950	35	B-B	FM 38D-8 opposed-piston	1,500 hp (1.12 MW)
FM H-16-44	1950–1963	299	B-B	FM 38D-8 opposed-piston	1,600 hp (1.19 MW)
FM H-20-44	1947–1954	96	B-B	FM 38D-10 opposed-piston	2,000 hp (1.49 MW)
FM H-16-66 (“Baby Train Master”)	1951–1958	59	C-C	FM 38D-8 opposed-piston	1,600 hp (1.19 MW)
FM H-24-66 (Train Master)	1951–1958	127	C-C	FM 38D-12 opposed-piston	2,400 hp (1.79 MW)

References

• Pinkepank, Jerry A. (1973). The second diesel spotter's guide. Kalmbach Publishing, Waukesha, Wisconsin. ISBN 0-89024-026-4.

See also

Wikimedia Commons has media related to Fairbanks-Morse locomotives.

• Opposed-piston engine