FM H-10-44

Milwaukee Road 760, an H-10-44 and the first FM locomotive, preserved in operating condition at Illinois Railway Museum.

Type and origin
Power type	Diesel-electric
Builder	Fairbanks-Morse
Model	H-10-44
Build date	August 1944–March 1950
Total produced	195

Specifications
AAR wheel arr	B-B
Gauge	4 ft 8 ¹⁄₂ in (1,435 mm)
Trucks	AAR type A
Wheel diameter	40 in (1,016 mm)
Minimum curve	29.50 (194 ft (59.13 m) radius)
Wheelbase	33 ft 6 in (10.21 m)
Length	48 ft 10 in (14.88 m)
Width	10 ft 2 in (3.10 m)
Height	14 ft 6 in (4.42 m)
Loco weight	240,000 lb (108.9 t)
Prime mover	FM 38D-6
Engine type	Two-stroke diesel
Aspiration	Roots blower
Displacement	6,222 cu in (101.96 l)
Generator	Westhse 481-A
Traction motors	(4) Westhse 362-D
Cylinders	6 (Opposed piston)
Cylinder size	8.125 in × 10 in (206 mm × 254 mm)
Loco brake	Straight air
Train brakes	Air

Performance figures
Maximum speed	60 mph (97 km/h)
Power output	1,000 hp (746 kW)
Tractive effort	40,440 lbf (179.9 kN)

Career
Locale	North America

The FM H-10-44 was a yard switcher produced by Fairbanks-Morse from August, 1944–March, 1950. The units featured a 1,000-horsepower (750 kW), six-cylinder opposed piston engine prime mover, and were configured in a B-B wheel arrangement mounted atop a pair of two-axle AAR Type-A switcher trucks, with all axles powered. Many H-10-44s received modifications that increased their horsepower rating to 1,200 hp (890 kW).

The Raymond Loewy-designed carbody featured a slanted nose, sloping hood lines, and (considered to be its most distinguishing feature) a protruding roof visor mounted on the rear of the cab. These styling cues were carried through to the H-10-44's successor, the FM H-12-44, until September 1952 when the exterior design was "Spartanized" to reduce production costs.

A total of 195 units were built for American railroads. Three intact examples of the H-10-44 are known to survive today, all of which are owned by railroad museums. Most notable of these is Milwaukee Road #760 (originally delivered as #1802), the first Fairbanks–Morse locomotive constructed in their own plant, which is preserved and on display at the Illinois Railway Museum.

Another example is former Hallet Dock Company HD-11, which is now at the Lake Superior Railroad Museum in Duluth, Minnesota.

A reproduction H-10-44 locomotive sits atop the Beloit Fishing Bridge, a former railroad bridge which crosses the Rock River several hundred yards south of the foundry where the H-10-44s were built, in Beloit, Wisconsin.

Units produced

Railroad	Quantity	Road numbers	Notes
Apache Railway	2	100, 200
Atchison, Topeka and Santa Fe Railway	3	500–502
Baltimore and Ohio Railroad	10	300–309	Renumbered 9700–9709
Chehalis Western Railroad (Weyerhaeuser)	2	492, 493
Chicago and North Western Railway	21	1036, 1048–1065, 1070, 1082
Chicago, Indianapolis and Louisville Railway (“Monon”)	1	18
Chicago, Milwaukee, St. Paul and Pacific Railroad (“Milwaukee Road’)	23	1802–1818, 1820–1825	Renumbered 760–776, 778–783; 760 (ex-1802), 767 (ex-1809) and 781 (ex-1823) are preserved in museums
Chicago, St. Paul, Minneapolis and Omaha Railway (“Omaha Road”)	5	94–98
Columbia and Cowlitz Railway	1	D-1	to Pacific Great Eastern Railway
Denver and Rio Grande Western Railroad	4	120–123	122 to Frisco 286
Fairbanks-Morse (demonstrator unit)	1	10L45	to Milwaukee Road 1819; renumbered 777
Indianapolis Union Railway	9	10–18
Kentucky and Indiana Terminal Railroad	10	48–52, 55–59
Minnesota Western Railway	1	51	to Minneapolis, Northfield and Southern Railway 11, to Hallet Dock Company HD-11
New York Central Railroad	7	9104–9110	to Penn Central 8204–8210
New York Central (Pittsburgh and Lake Erie Railroad)	4	9100–9103
New York, Chicago and St. Louis Railroad (“Nickel Plate Road”)	9	125–133	to Norfolk and Western Railway 2125–2133
Pennsylvania Railroad	55	5980–5986, 5997–5999, 9080–9099, 9184–9196, 9288–9299	to Penn Central
Pittsburgh, Chartiers and Youghiogheny Railway	1	1
St. Louis-San Francisco Railway	12	270–281
Terminal Railroad Association of St. Louis	4	700–703
Union Pacific Railroad	5	DS1300–DS1304
Wabash Railroad	4	380–383	to Norfolk and Western 3380–3383
Weyerhaeuser Timber Company	1	481
Total	195

References

"Fairbanks-Morse 38D8 Diesel Engine". PSRM Diesel Locomotives. Retrieved January 1, 2006.
Dorin, Patrick C. (1972). Chicago and North Western Power. Superior Publishing. p. 152. ISBN 0-87564-715-4.
Pinkepank, Jerry A. (1973). The Second Diesel Spotter’s Guide. Milwaukee, WI: Kalmbach Publishing Company. ISBN 0-89024-026-4.
Kirkland, John F. (November 1985). The Diesel Builders Volume 1: Fairbanks-Morse and Lima-Hamilton. Interurban Press. ISBN 0-916374-69-6.

External links

Fairbanks-Morse

Locomotives	FM Consolidated line FM Erie-built FM H-10-44 FM H-12-44 FM H-12-44TS FM H-12-46 FM H-15-44 FM H-16-44 FM H-16-66 FM H-20-44 FM OP800 FM P-12-42 FM H-24-66

Other products	Canon Ranch Railroad Eclipse Windmill Eclipse windmill Fairbanks Morse 38 8-1/8 diesel engine Moriarty Eclipse Windmill

People	Thaddeus Fairbanks Charles Hosmer Morse

Facilities	Fairbanks-Morse Warehouse

Related	Colt's Manufacturing Company EnPro Industries Garlock Sealing Technologies GGB Bearing Technology Stemco Technetics Group Fairbanks Scales

Diesel locomotives built by Fairbanks-Morse

Switchers	H-10-44 H-12-44 H-12-44TS

4 axle road switchers	H-15-44 H-16-44 H-20-44

6 axle road switchers	H-12-46 H-16-66 H-24-66

Consolidation Line	CFA-16-4 CFA-20-4 CFA-24-5 CPA-16-4 CPA-16-5 CPA-20-5 CPA-24-5

Other Cab units	Erie-built OP800 P-12-42

(See also: List of Fairbanks-Morse locomotives)

Diesel-electric switcher locomotives

Alco	ALCO Boxcab ALCO 600 HH600 HH660 HH900 HH1000 S-1 S-2 S-3 S-4 S-5 S-6 T-6 SB-8/SSB-9

Baldwin	VO-660 DS-4-4-660 DS-4-4-750 S-8 RS-4-TC VO-1000 DS-4-4-1000 S-12

Fairbanks-Morse	H-10-44 H-12-44 H-12-44TS H-12-46

GE	60-ton boxcab 100-ton boxcab 600-hp centercab 1000-hp centercab DEY-2 EN-6 25-ton 35-ton 43-ton 44-ton 45-ton 50-ton 60-ton 65-ton 70-ton 80-ton 95-ton 100-ton 110-ton 125-ton 126-ton 128-ton 1800-hp transfer 2000-hp transfer U5B U6B

GM/EMD	SC, SW, NC, NC1, NC2, NW, NW1, NW1A, NW4, T NW2 NW3 NW5 TR1 SW1 SW7 SW8 SW9 SW600 SW900 SW1000 SW1001 SW1200 SW1500 SW1504 MP15DC MP15AC MP15T RS1325 GMD1

Lima-Hamilton	LS-750 LS-800 LS-1000 LS-1200

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