Alco RS-1

ROSTER

Reformatted: 21 October 2020 Douglas Walker photo (courtesy of RRpictures.net)
-- Data from: John Komanesky
Original Owner Road Numbers Qty Bldr Numbers Bldr Dates
Akron, Canton & Youngstown D-2 1 74323 10/1945
Alabama, Tennessee & Northern 101, 102 2 71435, 73096 11, 12/1944
103, 104 2 73326, 73327 3/1945
105, 106 2 73758, 74321 6, 10/1945
107-109 3 75110-75112 5-6/1946
110, 111 2 75480, 75481 8/1947
Alaska RR 1000, 1001 2 71319, 71320 5/1944
Alton RR 50 1 74322 10/1945
51-53 3 74494-74496 11/1945
54-58 5 74677-74681 11/1945
59 1 74823 12/1945
Ann Arbor 20, 21 2 78374, 78375 11/1950
Atchison, Topeka & Santa Fe 2385-2387 3 75391-75393 6-7/1947
2388 1 75482 8/1947
2394, 2395 2 78115, 77838 8/1950, 12/1949
Atlanta & St. Andrews Bay 901, 902 2 69426, 69427 3/1941
903 1 69800 1/1942
904, 905 2 70810, 70811 4/1943
906 1 70821 4/1943
907, 908 2 70809, 70822 11/1943
909 1 72812 6/1944
910, 911 2 73332, 73333 4/1945
912, 913 2 75559, 77848 10/1947, 2/1950
Atlantic & East Carolina 500 1 79047 4/1951
Bamberger RR 570 1 70820 5/1943
Central RR of New Jersey 1200-1204 5 78095-78099 6/1950
1205 1 79234 9/1951
Chesapeake & Ohio 5114, 5115 2 80851, 80852 9/1953
Chicago & Eastern Illinois 115-118 4 73328-73331 4/1945
Chicago & North Western 1066 1 79589 9/1953
1067, 1068 2 79590, 79591 8/1953
1069 1 80850 9/1953
1080 1 72816 8/1944
1081(1st) 1 72921 9/1944
Chicago & Western Indiana 252, 253 2 76799, 76800 7/1949
254-257 4 77172-77175 10-11/1949
258, 259 2 77836, 77837 12/1949
260-263 4 77849-77852 2/1950
Chicago, Milwaukee, St. Paul & Pacific 961-963 3 77469-77471 3/1950
1676, 1677 2 70814, 70815 4/1943
1678, 1679 2 69567, 69568 6/1941
Chicago, Rock Island & Pacific 735-739 5 71312-71316 1-2/1944
740, 741 2 70823, 70824 11/1943
742-745 4 70816-70819 5/1943
746, 747 2 69569, 69570 7/1941
748, 749 2 69424, 69425 3/1941
Duluth, South Shore & Atlantic 100, 101 2 73753, 73760 5, 6/1945
102 1 75215 12/1946
103-105 3 75217-75219 1-2/1947
106, 107 2 75389, 78376 5/1947, 1/1951
Dupont 105-108 4 79050-79053 6-7/1951
Gaylord Container 302, 303 2 75842, 75843 5/1948
GE-Atomic Energy Commission 39-3729, 39-3730 2 75844, 76206 6/1948
39-3731, 39-3732 2 76210, 76211 10/1948
Genesee & Wyoming 25, 30 2 79580, 81345 1/1952, 5/1955
Grand Trunk Western 1950, 1951 2 82355, 82356 11/1957
Great Northern 182, 183 2 72922, 72923 9/1944
184, 185 2 72924, 71433 11, 10/1944
Gulf Mobile & Ohio 1102 1 71438 11/1944
1103, 1104 2 73094, 73095 12/1944
1105-1107 3 73335-73337 4/1945
1108, 1109 2 73573, 73574 5/1945
1110 1 73752 5/1945
1111, 1112 2 74910, 74911 1, 4/1946
1113 1 75216 1/1947
1114, 1115 2 75220, 75221 2/1947
1116, 1117 2 75223, 75224 3/1947
1120 1 76219 12/1948
1121, 1122 2 76624, 76625 1/1949
1123-1125 3 76629-76631 3-4/1949
1126, 1127 2 76796, 76798 4, 5/1949
Illinois Terminal 750-752 3 75839-75841 5/1948
754 1 77855 3/1950
755, 756 2 77069, 77070 3/1950
Kansas City SSouthern 1110-1113 4 70825-70828 11-12/1943
Lake Erie, Franklin & Clarion 20, 21 2 76797, 78241 4/1949, 8/1950
Lake Superior & Ishpeming 1001-1003 3 79576-79578 11-12/1951
Long Island RR 461, 462 2 76220, 76622 12/1948, 1/1949
463-465 3 76626-76628 2-3/1949
466-469 4 77475-77478 4/1950
Midland Continental 401, 402 2 74912, 79579 4/1946, 12/1951
Minneapolis & St. Louis 244 1 71317 2/1944
744, 944 2 71434, 71436 10/1944
1044, 1144 2 73093, 79097 12/1944, 1/1945
645, 745 2 73334, 73759 4, 6/1945
845, 945 2 74317, 74318 10, 9/1945
146, 246 2 74821, 74822 12/1945
346, 446 2 74824, 74909 1/1946
546, 646 2 75113, 75114 6/1946
746, 846 2 75115, 75116 7, 8/1946
946, 1046 2 75117, 75118 9/1946
547 1 75390 6/1947
948, 1048 2 76207, 76208 9/1948
1148 1 76209 10/1948
849, 949 2 77842, 77843 12/1949
1049, 1149 2 77844, 77845 1/1950
1249 1 77846 2/1950
950, 1050 2 78243, 78244 9/1950
1150, 1250 2 78245, 78373 9/1950
751 1 79235 9/1951
851, 951 2 79346, 79347 9, 10/1951
Minneapolis, St. Paul & Sault Ste Marie(Soo) 350, 351 2 80853, 80854 12/1954
352, 353 2 80978, 80979 12/1954
New York Central 8100 1 75825 2/1948
8101-8105 5 75680-75684 1-2/1948
8106-8108 3 75826-75828 2-3/1948
8109-8111 3 77986-77988 4/1950
8112, 8113 2 78090, 78091 5/1950
New York, New Haven & Hartford 0660-0669 10 75829-75838 3-4/1948
0670, 0671 2 76212, 76213 11/1948
New York, Susquehanna & Western 230 1 71437 11/1944
231, 233(1st) 2 69992, 69993 6/1942
231, 233(2nd) 2 70812, 70813 4/1943
232-236(Even) 3 73098-73100 1/1945
238, 240 2 73568, 73569 4/1945
242, 244 2 73754, 73755 5/1945
246-252(Even) 4 75555-75558 9-10/1947
254, 256 2 79584, 79585 6/1953
Northern Pacific 155 1 73761 6/1945
156 1 74316 10/1945
157, 158 2 73765, 73766 8/1945
Oregon Electric 52-54 3 73570-73572 4-5/1945
55 1 73756 6/1945
Pennsylvania RR 5619, 5620 2 78106, 78107 6/1950
5621-5624 4 78110-78113 6-7/1950
5625-5628 4 78100-78103 6/1950
5629 1 78114 8/1950
5630, 5631 2 78116, 78117 8/1950
5632-5636 5 78159-78163 8/1950
5637, 5638 2 78104, 78105 6/1950
5639, 5640 2 78108, 78109 6/1950
5906 1 76214 12/1948
8485, 8486 2 79582, 79583 5/1952
8857, 8858 2 78377, 79046 4/1951
Rutland 400, 401 2 79349, 79350 10/1951
402-405 4 79572-79575 10-11/1951
Spokane International 200-205 6 77166-77171 9-10/1949
206-208 3 77839-77841 12/1949
209-211 3 79586-79588 7-8/1953
Spokane, Portland & Seattle 50, 51 2 73757, 73762 6, 7/1945
Tennessee Coal & Iron 600, 601 2 69428, 69566 3, 4/1941
602, 603 2 75203, 75204 10/1946
604 1 75484 9/1947
U.S. Navy 6 1 72817 9/1944
Washington Terminal 40 1 71318 3/1944
41-43 3 72813-72815 6-7/1944
44, 45 2 73763, 73764 7, 8/1945
46, 47 2 74314, 74315 9/1945
48, 49 2 74319, 74320 10/1945
50-54 5 75560-75564 11-12/1947
55 1 75679 12/1947
56-59 4 76215-76218 12/1948
60-62 3 77472-77474 3/1950
63, 64 2 79048, 79049 5/1951
Wisconsin Central(Soo Line) 2360, 2361 2 77853, 77854 2, 3/1950
2362 1 78242 8/1950
2363, 2364 2 79054, 79055 8/1951
2365-2367 3 79231-79233 9/1951
2368 1 79581 3/1952

EXPORT

BRAZIL
Central Ry of Brazil 3100-3119 20 71413-71432 4-10/1945
3120-3133 14 73703-73716 10/1945-1/1946
3134, 3135 2 75924, 75925 7/1948
3136, 3137 2 75930, 75931 8, 9/1948
Santos A Jundiai 504-507 4 75926-75929 8/1948
508, 509 2 75932, 75933 9/1948
510, 511 2 81346, 82018 4, 12/1956
MEXICO
National de Mexico 5606, 5607 2 77847, 77073 2, 3/1950
5608, 5609 2 77989, 77990 4/1950
5610-5618 9 78033-78041 4-5/1950
5619(1st) 1 78042 5/1950
5620, 5621(1st) 2 78088, 78089 5/1950
5619-5621(2nd) 3 76430-76432 4/1954
5622-5624(1st) 3 78092-78094 5/1950
5622-5624(2nd) 3 81347-81349 10/1956
5625-5631 7 82011-82017 10-11/1956
5632-5638 7 82019-82025 12/1956-1/1957
5639-5643 5 82343-82347 1-2/1957
5644-5650 7 82348-82354 7-8/1957
5651 1 82357 5/1958
5652-5656 5 82923-82927 5-6, 12/1958
5657-5662 6 83619-83624 12/1959-1/1960
5663 1 83680 3/1960
SAUDI ARABIA
Arabian-American Oil Co. A11x50, A11x51 2 75222, 75488 2, 9/1947
1002 1 76623 1/1949
1003, 1004 2 77071, 77072 3/1950
1005 1 79348 10/1951
RS-1 Spotting features:
  • Car-body slightly shorter than RS-2 & RS-3
  • Rounded roof with 4" lip (approxmate)

Source of information: Extra 2200 South

New: 27 June 2006
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Technical Data

Somebody's Large Digital Image Here
New: 25 March 2005 Drawing by: Jean-Denis Bachand
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Engine Builder: Alco 6L 4-cycle Model 539T-6L Horsepower: 1000
Bore & Stroke: 12.5" X 13" RPM (Maximum / Minimum): 740 / 315
Gear Ratio: 74:18 (Speed: 60 mph) Weight: 240,000 lbs
Trucks: 4-Wheel; Configuration: B-B Traction Motors: GE 731 (four)
Tractive Effort (starting) 60,000 lbs @ 25% Tractive Effort (continuous): 34,000 lbs @ 8 mph
Multiple Unit Capability: Yes Dynamic Braking: No
Main Generator: GE - GT553 Auxilary Generator: GE GMG144
Air Brake: Westinghouse: Model: 6L Compressor: Westinghouse: Model 3CD
Boiler Type: Vapor PSI: 800
Quantity Built: 466 (plus 3 MLW-built) dates: 3/1941 to 3/1960 (& 3/1954)
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Exterior Dimensions RS-1
Total Length 54'-11"
Pilot to Pilot 51'-00"
Truck Wheel Base: 9'-04" Wheel Diameter: 40"
Height to Top Engine Hood: 12'-02" Height to Top Cab Hood: 14'-04"
Cab Width: 9'-11" Engine Hood Width: 5'-05"
Distance between Truck Centers: 40'-04" Center Bolster: 31'-00"
Minimum Turning Radious 21 degrees
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Fuel Oil: 1300 Lubricating Oil: 67
Engine Cooling Water: 200 Sand Capacity: 28 cu. ft.
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Somebody's Large Digital Image Here Drawing by: Jean-Denis Bachand
Reference Sources:
  • Alco Reference #1 by Bob Litjestraund
  • Diesesl locomotives, Cyclopedia, Vol w by Model Railroader
  • Canadian National Data Book
  • Extra 2200 South, Issues 58 & 59

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