Fairbanks-Morse H12-44 & H12-44TS Roster
Info from: John Komanesky	Jim Jeffery photo at Yankeetown, IN on 4 October 1974. (Ralph Back collection)
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FM H12-44
Original owner	Road Numbers	Qty.	Bldr Numbers	Bldr Dates
Atchison Topeka & Santa Fe	503 - 506	4	12L388-12L391	9-10/50
	507 - 516	10	12L438-12L447	10-11/51
	517 - 530	14	12L599-12L612	7-9/52
	531 - 540	10	12L747-12L756	4/53
	544 - 558	15	12L1006-12L1020	12/55-4/56
	559 - 564	6	12L1094-12L1099	3/4/57
Ayrshire Collieries	1	1	12L1100	4/57
Baltimore & Ohio	196, 197	2	12L774, 12L775	9/53
	310 - 319	10	12L392-12L401	2/51
	9722 - 9726	5	12L1089-12L1093	4/57
Central of Georgia	315 - 318	4	12L726-12L729	3/53
Chicago Milwaukee St. Paul & Pacific	1826, 1827	2	12L374, 12L375	5/50
	1828 - 1832	5	12L428-12L432	3/51
	1833 - 1837	5	12L448-12L452	10-11/51
	1838 - 1847	10	12L520-12L529	11/51
	2300 - 2309	10	12L561-12570	3-4/52
	2310 - 2314	5	12L823-12L827	2/54
	2315 - 2325	11	12L949-12L959	1-2/55
Chicago & Northwestern	1071, 1072	2	12L376, 12L377	5/50
	1110 - 1113	4	12L709-12L712	12/52
	1114 - 1116	3	12L768-12L770	8/53
Columbia & Cowlitz	D-2	1	12L1025	5/56
Indianapolis Union	19 - 21	3	12L650-12652	10/52
Kentucky & Indiana Terminal	60 - 64	5	12L402-12L406	3-4/51
	65, 66	2	12L719, 12L720	3/53
Minnesota Western	10	1	12L427	1/51
New York Central	9111 - 9120	10	12L378-12L387	11/50-1/51
	9121 - 9137	17	12L613-12L629	5-6/52
Nickel Plate Road	134 - 138	5	12L721-12L725	3/53
	139 - 145	7	12L1082-12L1088	3/57
	146 - 155	10	12L1101-12L1110	3-4/58
Pennsylvania	8708 - 8710	3	12L828-12L830	2/54
	8711 - 8723	13	12L637-12L649	11/52
Sandersville RR	100	1	12L777	8/53
St. Louis-San Francisco	282 - 285	4	12L433-12L436	6/51
Soo	315	1	12L636	6/52
	316 - 319	4	12L965-12L968	12/54
Southern Pacific	1486 - 1491	6	12L653-12L658	9-10/52
	1529 - 1535	7	12L760-12L766	5/53
	1536 - 1538	3	12L771-12L773	8/53
	1568 - 1571	4	12L833-12L836	1/56
	1572 - 1576	5	12L976-12L980	1-2/56
	1577 - 1596	20	12L1062-12L1081	10/56-2/57
Tennessee Valley Authority	22	1	12L778	11 /54
U.S. Army	1843 - 1862	20	12L667-12L686	1-2/53
U.S. Steel - Fairless Works	GE9 - GE16	8	12L571-12L578	11/51-2/52
Wabash	384 - 386	3	12L744-12L746	3/53
White River Terminal(Weyerhauser Timber Co.)	1	1	12L437	8/51
Yankeetown Dock	1, 2	2	12L776, 12L1024	8/53, 5/56
MEXICO
Chihuahua Pacifico	70	1	12L1111	3/61
Spotting Features: No roof overhang at end of cab (except early H12s) Shorter and squared car-body No slanted nose Louvered battery box in front of cab (1953 forward) Yard trucks
FM H12-44TS
Atchison Topeka & Santa Fe	541 - 543	3	12L1021-12L1023	5/56
Spotting Features: Resembles H15 & H16 Two-section radiator shutters (same H10s & H12s) Yard-type trucks Louvered battery box

Technical Data
Data Sheet Information Compiled by: JEAN-DENIS BACHAND
Reformatted: 26 October 2020	Drawing by: Jean-Denis Bachand
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Engine Builder: Fairbanks Morse		Engine: 2-cycle 38D8 1/8 (6 cylinder OP)
Bore & Stroke		8" X 10"
RPM (Maximum / Minimum)		800 / 350
Main Generator: Westinghouse - WE481G		Horsepower: 1200
Gear Ratio: 68:13		Speed: 60 mph
Trucks: 4-Wheel		Configuration: B-B
Weight: 246,000 lbs		Traction Motors: Westinghouse - WE362B(four)
Tractive Effort (starting) 61,000 lbs @ 30%		Tractive Effort (continuous): 34,000 lbs @ 8.9 mph
Multiple Unit Capability: No		Dynamic Braking: No
Auxilary Generator: Westinghouse YG64A		Alternator: --
Air Brake: Westinghouse		Model: 6SL
Compressor: Westinghouse		Model: 3C2C
Quantity Built: 338		Dates: 9/1950 to 3/1961
-		-
Total Length		49'-02"
Wheel Diameter		40"
Truck Wheel Base		8'-00"
Height to Top Engine Hood		14'-06"
Height to Cab Roof		14'-00"
Cab Width		10'-04"
Engine Hood Width		10'-00"
Center Bolster		25'-06"
Distance between Truck Centers		33'-06"
Minimum Turning Radious		29 degrees
-		-
Fuel Oil: 750		Lubricating Oil: 140
Engine Cooling Water: 100		Sand Capacity: 28 cu. ft.
Options: Vapor Clarkson Boiler (800 lbs/hr)
Reference Sources: Diesel Locomtoives, Vol.2, by Bob Hayden Diesel Locomotives, The First 50 Years by Louis A. Mare "Early Diesel and Electric Locomotives," Rail Heritage Publications Diesel & Electric Locomotive Specificiations, 1981 by F.K. Hudson Train Shed Cyclopedia, Vol. 20, 58, 60, 64, 80 Correction from Steve Meredith New 4 November 2004

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