Alco / MLW

FA-2 & FB-2

October 1950 to June 1956

Quantity Built: 376 FAs + 203 FBs

Somebody's Large Digital Image Here
Format revised: 8 January 2004 Info Supplied by: John Komanesky
Revised Format: 19 Feb. 2014 Photograph by: R. Craig
FA-2 Production Roster
Original owner Road Numbers Qty. Bldr Numbers Bldr Dates
Alco (Demonstrators) 1600A, 1600D 2 78272, 78273 11/50
1602A, 1602D 2 78270, 78271 11/50
Ann Arbor 50, 50A-52, 52A 6 78379-78384 12/50
53, 53A 2 78385, 78476 12/50
54, 54A-56, 56A 6 78477-78482 12/50
Baltimore & Ohio 801,A-805,A (Odd) 6 78188-78193 10-11/50
807, 807A 2 78266, 78267 11/50
809,A-817,A (Odd) 10 78483-78492 12/50-1/51
819,A-823,A (Odd) 6 79710-79715 1-2/52
825, 825A 2 79744, 79745 3/52
827, 827A 2 79746, 79955 3/52
829,A-831,A (Odd) 4 79956-79959 3/52
833,A-837,A (Odd) 6 79984-79989 4-5/53
Erie 736A,D-737A,D 4 78184-78187 10/50
738A,D, 739A,D 4 78620-78623 3-4/51
Great Northern 277A, 277B 2 78268, 78269 11/50
Louisville & Nashville 300-305 6 79716-79721 2/52
306, 307 2 79990, 79991 5/53
308-310 3 80902-80904 5/56
311-315 5 81083-81087 12/54
316-321 6 81963-81968 6/56
350-352 3 79739-79741 3/52
353, 354 2 79737, 79738 3/52
355-369 15 79722-79736 2/52
383, 384 2 79982, 79983 4/53
Lehigh Valley 580-588 (Even) 5 78276-78280 11/50
590 1 78351 12/50
592, 594 2 78624, 78625 4/51
Missouri-Kansas-Texas 331A (2nd) 1 78493 12/50
Missouri Pacific 331-344 14 78626-78639 4/51
345-360 16 79447-79462 12/51-1/52
374-380 7 80001-80007 6-8/53
381-386 6 80825-80830 1-3/54
New York Central 1044-1047 8 78652-78655 6-7/51
1048-1070 23 78961-78983 6-7/51
1071-1080 10 79001-79010 8-9/51
1081-11087 7 79276-79282 9/51
1088-1107 20 79287-79306 10/51
1108-1117 10 79960-79969 5-7/52
1118-1123 6 79972-79977 8-9/52
Pennsylvania 9608A-9619A 12 78640-78651 5/51
9620A-9631A 12 79435-79446 11-12/51
Spokane Portland & Seattle 868A-1, -2 2 78352, 78378 12/50
Western Maryland 301, 302 2 78494, 78495 1/51
303 & 304 2 78606, 78607 1/51
CANADA
Canadian National 9408, 9410 MLW - 2 77323, 77324 2/51
9412-9426 (Even) MLW - 8 77626-77633 2-5/51
9428-9436 (Even) MLW - 5 77270-77274 2-3/52
9438-9456 (Even) MLW - 10 79144-79153 2-5/53
Canadian Pacific 4042-4051 MLW - 10 77712-77721 7-9/51
4084-4086 MLW - 3 77275-77277 6-7/53
4087-4093 7 79154-79160 9-10/53

EXPORT

CUBA

Consolidated Ry of Cuba 1600-1605 6 78608, 78613 3/51
1650-1655 6 78614-78619 3/51
MEXICO
National de Mexico 6507A-6516A 10 78986-78995 7-8/51
6517A-6520A 4 79283-79286 9/51
6519A(2nd) 1 80824 12/53
6521A, 6522A 2 79742. 79743 3/52
6534A 1 80897 4/54
Secretarias Communicaciones de Obras Publicas - SCOP. 7121-8, 7121-9 2 79970, 79971 7-8/52
7121-10 to 7121-13 4 79978-79981 10-12/52
FB-2 Production Roster
Alco (Demonstrators) 1600B, 1600C 2 78281, 78282 11/50
1602B, 1602C 2 78202, 78203 11/50
Baltimore & Ohio 801x-807x (Odd) 4 78198-78201 10-11/50
809x 1 78502 1/51
811x-817x (Odd) 4 78498-78501 12/50-1/51
817ax 1 78497 12/50
819x-823x (Odd) 3 79760-79762 1/52
825x-831x (Odd) 4 80011-80014 3-5/52
833x-837x (Odd) 3 80030-80032 4-5/53
837ax 1 80033 5/53
Erie 736B,C, 737B,C 4 78194-78197 10/50
738B,C 2 78503, 78504 3/51
739B,C 2 78505, 78656 4/51
Gulf Mobile & Ohio 834-837 4 81167-81170 6/55
Louisville & Nashville 200-202 3 79763-79765 3/52
203-209 7 80023-80029 3-4/53
330, 331 2 80911, 80912 2, 1/54
210, 211 2 81969, 81970 6/56
Lehigh Valley 581, 583 2 78283, 78284 11, 12/50
585, 587 2 78657, 78658 4/51
Missouri Pacific 331B-335B 5 78659-78663 4/51
345B-356B 12 79748-79759 12/51-1/52
370B-380B 11 80034-80044 6-8/53
381B. 382B 2 80913, 80914 1-2/54
383B-386B 4 81111-81114 2-4/54
New Haven 465-469 5 79482-79486 11/51
New York Central 3323-3333 11 78670-78680 5-6/51
3334-3345 12 79011-79022 6-7/51
3346-3354 9 79318-79326 8-9/51
3355-3364 10 79472-79481 10/51
3365-3372 8 80015-80022 5-9/52
Pennsylvania 9608B-9618B (Even) 6 78664-78669 5/51
9620B-9628B (Even) 5 79487-79491 11-12/51
9630B 1 79747 12/51
Spokane Portland & Seattle 868B-1, -2 2 78285, 78496 12/50
CANADA
Canadian National 9409-9427 (Odd) MLW - 10 77700-77709 2-5/51
9429-9437 (Odd) MLW - 5 77722-77726 2-3/52
Canadian Pacific 4465-4467 MLW - 3 77727-77729 6-7/53
4468-4470 MLW - 3 79161-79163 9-10/53

EXPORT

MEXICO

Natioanl de Mexico 6507B-6516B 10 79023-79032 7-8/51
6517B-6520B 4 79327-79330 9/51
6519B(2nd) 1 80910 12/53
6521B, 6522B 2 79766, 80009 3/52
6523B-6527B 5 80905-80909 9-12/53
6534B 1 81166 4/55
Source of information: Extra 2200 South and Alco FA: Running in the Shadow by R.Craig Rutherford


Alco FA-2 / FB-2

Technical Data

(DL-212A,B / DL-213, A,B)

Drawings and Technical Data Supplied by: Jean-Denis Bachand
POWERTRAIN
Engine: Alco 244 V12 (4-cycle) @ 1600 hp Bore & Stroke: 9.0" x 10.5" RPM (Max. / Min.): 1025 / 350
Main Gen.: GT581 Traction Motors: GE-752 (four) Tractive Force (starting): 60,000 lbs @ 25% Tractive Force (continuous): 46,500 lbs @ 11 mph
TRUCKS
Wheel Arrngmnt: B-B Wheel Dia: 40" Turning Radius (min): 21 degrees Wheelbase: 9'-04"
SPECIFICATIONS / DIMENSIONS
Total Length: 53'-06" (FA)

52'-8" (FB)

Locomotive Wheel Base: 38'-06" Engine Hood Height: 14'-10" Cab Height: 14'-06"
Cab Width: 9'-10.2" Top of Walkway: None Width over handrails: 10'-06.5" Distance between Truck Centers: 29'-02"
M/U Capability: Yes Dynamic Braking: Yes Loco Wgt: 240,000 lbs. Speed: 65 mph / Gear Ratio: 74:18
T/M Blower (4): Mechanical Driven Auxillary Generator: GY27 Air Comp.: Westinghouse 3CDC Air Brake: Westinghouse 24RL
CAPACITIES

Fuel Oil: 1300 gal.

Lub Oil: 200 gal.

Cooling Water: 250 gal.

Sand: 22 cubic feet

NOTES & CREDITS

Height Dimensions are measured from top of railhead.

  • Alco-GE Operating & Service Manual, 1952
  • Alco FA: Running in the Shadow by R.Craig Rutherford
  • Locomotive Cyclopedia 1950-1952 by Simmons-Boardman Pub.
  • PRR Mechanical Data Book
--
MLW FA-2 / FB-2

Technical Data

(ME-1600FA / ME-1600FB)

Drawings and Technical Data Supplied by: Jean-Denis Bachand
POWERTRAIN
Engine: Dominion Engng 244 V12 (4-cycle) @ 1600 hp Bore & Stroke: 9.0" x 10.5" RPM (Max. / Min.): 1025 / 350
Main Gen.: GT581 Traction Motors: GE-752 (four) Tractive Force (starting): 57,500 lbs @ 25% Tractive Force (continuous): 46,500 lbs @ 11 mph
TRUCKS
Wheel Arrngmnt: B-B Wheel Dia: 40" Turning Radius (min): 21 degrees Wheelbase: 9'-04"
SPECIFICATIONS / DIMENSIONS
Total Length: 51'-06" Locomotive Wheel Base: 38'-06" Engine Hood Height: 14'-10" Cab Height: 14'-06"
Cab Width: 10'-00" Top of Walkway: None Width over handrails: 10'-06.5" Distance between Truck Centers: 29'-02"
M/U Capability: Yes Dynamic Braking: Yes Loco Wgt: 230,000 lbs. Speed: 65 mph / Gear Ratio: 74:18
T/M Blower (4): Mechanical Driven Auxillary Generator: GY27 Air Comp.: Westinghouse 3CDC Air Brake: Westinghouse 24L
CAPACITIES

Fuel Oil: 1000 gal.

Lub Oil: 167 gal.

Cooling Water: 210 gal.

Sand: 22 cubic feet

NOTES & CREDITS

Height Dimensions are measured from top of railhead.

  • Alco FA: Running in the Shadow by R.Craig Rutherford
  • Canadian National RR Mechanical Data Book
  • Canadian Pacific RR Mechanical Data Book
  • Locomotive Cyclopedia 1950-1952 by Simmons-Boardman Pub.

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