ALCO S-1 and S-3
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 MidContinent Railway #7, an S-1, rests between trains on October 10, 2004. |
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| Power type | Diesel-electric |
|---|---|
| Builder | ALCO and MLW |
| Build date | S-1: April 1940 – June 1950 S-3: March 1950 – November 1953 |
| Total production | S-1: 540 S-3: 292 |
| AAR wheel arr. | B-B |
| Gauge | 4 ft 8½ in (1435 mm) |
| Power output | 660 hp (490 kW) |
The ALCO S1 and S3 were 660 hp (490 kW) switcher diesel-electric locomotives produced by ALCO and Canadian licensee Montreal Locomotive Works (MLW). Basically, the two locomotives differed only in trucks, with the S-1 using ALCO's own Blunt trucks, and the S-3 riding on standard AAR type A switcher trucks. The S-1 was built between April 1940 and June 1950, with a total of 540 completed, while the S-3 was constructed between March 1950 and November 1953 (MLW until 1957) with total sales of 292. A modified version, the S-10, was built by MLW only; 13 were built between January and June 1958.
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[edit] Identification
The S-1 and S-3 are distinguishable externally from the very similar S-2 and S-4 1,000 hp (750 kW) switchers in that they have a smaller exhaust stack with a round base and a smaller radiator shutter area on the nose sides. The S-1/S-3 radiator shutter area is taller than it is wide, while the S-2/S-4 radiator area is wider. The smaller stack is due to the lack of turbocharging.
The S-10 is not externally distinguishable from later Canadian-built S-3 locomotives; it differed mostly in electrical equipment.
[edit] Original owners
The S-1 and S-3 models were sold to an extensive list of railroads and industrial operators, as detailed below. Major owners of the S-1 included the New York Central Railroad (NYC), with 71 locomotives; the New Haven with 65 locomotives; the L&N with 45 locomotives; the C&NW, with 29 locomotives; and the Pennsylvania Railroad (PRR) with 27 locomotives. Major customers for the S-3 included the CP, with 101; the CN, with 49; the NYC, with 43 locomotives; the B&M, with 16; and the PRR, with 13. The MLW S-10 was sold only to the CP.
The totals below include export orders and MLW-built locomotives.
[edit] S-1
| Railroad | Quantity | Road numbers |
|---|---|---|
| Alabama Great Southern Railroad | 2 | 6501-6502 |
| Alameda Belt Line | 3 | D-1–D-3 |
| Alco plant switcher | 1 | 5 |
| Alco demonstrator | 1 | 660 |
| American Steel and Wire | 1 | 2 |
| Ann Arbor Railroad | 2 | 2-3 |
| Armco Steel | 3 | E106-E108 |
| Atchison, Topeka and Santa Fe Railroad | 2 | 2303-2304 |
| Baltimore and Ohio Railroad | 6 | 223-227, 250 |
| Belt Railway of Chicago | 3 | 304-306 |
| Birmingham Southern Railroad | 2 | 100, 101 |
| Boston and Maine Railroad | 10 | 1163-1172 |
| Broward County Port Authority | 1 | 410 |
| Brunner Mond Corporation | 1 | 2 |
| Canadian Car and Munitions | 1 | 5 |
| Central do Brazil | 5 | 3001-3005 |
| Central of Georgia Railway | 2 | 4, 6 |
| Central Railroad of New Jersey | 2 | 1024, 1025 |
| Champlain Paper and Fibre | 1 | 25 |
| Chicago and Eastern Illinois Railroad | 3 | 103-105 |
| Chicago and North Western Railway | 29 | 1202-1205, 1213, 1223-1229, 1232-1236, 1247-1258 |
| Chicago Great Western Railway | 5 | 11-15 |
| Chicago, St. Paul, Minneapolis and Omaha Railway | 3 | 56, 57, 69 |
| Cincinnati, New Orleans and Texas Pacific Railway | 2 | 6000, 6001 |
| City of Prineville | 1 | 101 |
| Danner Hanna Coal Company | 1 | 2 |
| Day and Zimmerman | 1 | 3-100 |
| Defense Plant Corporation | 2 | DPC25.23, DPC25.24 |
| Delray Connecting Railroad | 6 | 66-70, 72 |
| Des Moines Union Railroad | 4 | 1-4 |
| Detroit and Mackinac Railroad | 1 | 646 |
| East St. Louis Junction Railroad | 1 | 100 |
| Elgin, Joliet and Eastern Railroad | 4 | 213-217 |
| Erie Railroad | 16 | 306-321 |
| Ford Motor Company | 4 | 6601-6604 |
| Great Lakes Steel | 1 | 32 |
| Green Bay and Western Railroad | 1 | 102 |
| Gulf, Mobile and Ohio Railroad | 4 | 661-664 |
| Inland Steel | 7 | 53, 56, 61, 62, 64-66 |
| Inland Waterway | 1 | 1 |
| Iowa Transfer Railroad | 1 | 2 |
| John Morrel Company | 1 | 7 |
| Kewaunee, Green Bay and Western Railroad | 1 | 103 |
| Kansas City Terminal | 5 | 40-44 |
| Lehigh Valley Railroad | 1 | 117 |
| Long Island Rail Road | 14 | 404-408, 413-420, 421 |
| Louisville and Nashville Railroad | 45 | 16-29, 34-68 |
| Maine Central Railroad | 8 | 953-960 |
| Margam Steel Works (Wales, UK) | 5 | 801-805 |
| Massena Terminal Railroad | 2 | 8, 9 |
| Minnesota Transfer Railroad | 5 | 60-64 |
| Missouri Pacific Railroad | 2 | 9007, 9008 |
| Nashville, Chattanooga and St. Louis Railroad | 4 | 1, 2, 3, 4 |
| Nacionales de México | 5 | 5000-5004 |
| Newburg and South Shore Railroad | 7 | 3-7, 9, 10 |
| New York, New Haven and Hartford Railroad | 65 | 0931-0995 |
| New Jersey, Indiana and Illinois Railroad | 1 | 1 |
| New Orleans and Lower Coast Railroad | 3 | 9013-9015 |
| New York Central Railroad | 71 | 811-957 |
| New York, Chicago and St. Louis Railroad (Nickel Plate) | 1 | 85 |
| Northern Pacific Railway | 1 | 131 |
| Northern Pacific Terminal | 5 | 30-34 |
| Pennsylvania Railroad | 27 | 5661-5670, 5954-5956, 9100-9103, 9237-9246 |
| Point Comfort and Northern Railroad | 1 | 5 |
| Polish Supply Commission | 40 | 1-40 |
| Port Huron and Detroit Railroad | 1 | 52 |
| Portland Terminal Railroad | 4 | 1005-1008 |
| Procter & Gamble | 1 | 9 |
| Pullman Railroad | 2 | 20, 21 |
| Reading Railroad | 5 | 50-54 |
| Red River Ordnance Depot | 1 | 7372 |
| Republic Steel | 9 | 15-17, 312-314, RSCXD840, RSCXD841, RSCXD810 |
| River Terminal Railroad | 1 | 52 |
| St. Louis and O'Fallon Railroad | 1 | 51 |
| Seaboard Air Line | 1 | 1201 |
| Sheffield Steel Corporation | 3 | 11-13 |
| Solvay Processing Division, Allied Chemical | 2 | 1,3 |
| South Buffalo Railroad | 4 | 51, 52, 60, 61 |
| Southern Pacific Railroad | 4 | 1017-1020 |
| Southern Railway | 3 | 2000, 2001, 2006 |
| South Omaha Terminal | 4 | 2-5 |
| Spokane, Portland and Seattle Railway | 2 | 10, 11 |
| Studebaker | 2 | 2, 3 |
| Tennessee Central Railway | 1 | 51 |
| Tennessee Coal and Iron | 3 | 700-70 |
| Tennessee Copper | 2 | 104, 105 |
| Terminal Railroad Association of St. Louis | 4 | 521-524 |
| Texas and New Orleans Railroad | 1 | 10 |
| Texaco | 1 | 19 |
| Texas City Terminal Railroad | 2 | 30, 31 |
| Texas Pacific-Missouri Pacific Terminal | 2 | 3, 4 |
| Timken Rolling Bearing Company | 2 | 5911, 5912 |
| Toledo, Angola and Western Railroad | 1 | 101 |
| Traux Truer Coal | 1 | 10 |
| Union Railroad | 4 | 451-454 |
| Upper Merion and Plymouth Railroad | 1 | 54 |
| U.S. Army | 3 | 7142, 7459, 7460 |
| U.S. War Department | 11 | 1001, 1002, 7132-7136, 7141, 7374, 7375, GT-1304 |
| Wabash Railroad | 9 | 151-159 |
| Weirton Steel | 3 | 200, 203, 204 |
| Western Maryland Railway | 1 | 102 |
| Western Pacific Railroad | 8 | 504-511 |
| Youngstown Sheet and Tube | 5 | 661-665 |
[edit] S-3
| Railroad | Quantity | Road numbers |
|---|---|---|
| Aluminum Company of America | 1 | 8 |
| Ann Arbor Railroad | 4 | 4-7 |
| Bathhurst Power and Paper | 1 | 3 |
| Boston and Maine Railroad | 16 | 1173-1188 |
| Brooks-Scanlon | 2 | 101, 102 |
| Canadian Arsenals | 1 | 1 |
| Canadian National Railway | 49 | 8450-8498 |
| Canadian Pacific Railway | 101 | 6500-6600 |
| Champion Paper | 1 | 2104 |
| Chicago and North Western Railway | 6 | 1262-1267 |
| Davenport, Rock Island and Northwestern Railroad | 7 | 1-7 |
| Davidson Chemical Division, W.R. Grace | 1 | 101 |
| El Dorado and Wesson Railroad | 1 | 18 |
| Essex Terminal Railroad | 1 | 103 |
| Ford Motor Company | 7 | 6605-6611 |
| Frederick Snare Corporation | 1 | 7 |
| General Portland Cement | 1 | 1 |
| Graysonia, Nashville and Ashdown Railroad | 1 | 51 |
| Greater Portland Public Development Corporation | 1 | 661 |
| Humble Oil | 1 | 997 |
| LaSalle Coke | 1 | 4 |
| Louisville and Nashville Railroad | 7 | 69-75 |
| Maine Central Railroad | 2 | 961, 962 |
| Mount Hood Railroad | 1 | 50 |
| National Harbor Belt Railroad | 8 | 2-9 |
| New York Central Railroad | 43 | 874-916 |
| Pennsylvania Railroad | 13 | 8873-8885 |
| Price Brothers | 1 | 106 |
| Solvay Processing Division, Allied Chemical | 1 | 2 |
| Southern Pacific Railroad | 10 | 1023-1032 |
| Swift and Company | 1 | 664 |
| Texas and Northern Railroad | 2 | 3, 4 |
| Texas City Terminal Railroad | 1 | 32 |
| Texaco | 2 | 21, 22 |
| Washington Idaho and Montana Railroad | 1 | 30 |
| West Pittston and Exeter Railway | 1 | 6 |
[edit] S-10
| Railroad | Quantity | Road numbers |
|---|---|---|
| Canadian Pacific Railway | 13 | 6601-6613 |
[edit] References
- Pinkepank, Jerry A. (1973). The Second Diesel Spotter's Guide. Kalmbach Publishing Co., Milwaukee, WI. ISBN 0-89024-026-4.
- Toppan, Andrew et al. Alco/MLW S-1 Roster. Retrieved on January 12, 2004.
- Toppan, Andrew et al. Alco/MLW S-3 Roster. Retrieved on January 13, 2004.
| Diesel-electric locomotives built by ALCO | |
|---|---|
| Switchers: | HH series, S-1, S-2, S-3, S-4, S-5, S-6, T-6, SSB-9 |
| RS series: | RS-1, RS-2, RS-3, RS-11, RS-27, RS-32, RS-36 |
| RSC series: | RSC-2, RSC-3 |
| RSD series: | RSD-1, RSD-4, RSD-5, RSD-7, RSD-12, RSD-15 |
| Cab units: | Black Maria, DL-103b, DL-105, DL-107, DL-109, DL-110, FA, FB, PA, PB |
| Century series: | C415, C420, C424, C425, C430, C628, C630, C636, C855 |
| Diesel-hydraulics: | DH643 |
