ALCO S-1 and S-3|
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| Type and origin |
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| Power type |
Diesel |
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| Builder |
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| Build date |
- April 1940–June 1950 (S-1)
- February 1950–November 1953 (S-3)
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| Total produced |
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| Performance figures |
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| Power output |
660 hp (490 kW) |
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| Tractive effort |
49,790 lb (22,580 kg) |
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[1][2] |
The ALCO S-1 and S-3 were 660 horsepower (490 kW) switcher diesel-electric locomotives produced by ALCO and their Canadian subsidiary 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 543 completed, while the S-3 was constructed between February 1950 and November 1953 (MLW until 1957) with total sales of 300. A modified version, the S-10, was built by MLW only; 13 were built between January and June 1958.
Identification
The S-1 and S-3 are distinguishable externally from the very similar S-2 and S-4 1,000 horsepower (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.
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.
S-1
ALCO constructed approximately 535 S-1s for the US market between 1940–1950.[1][3] In addition, it produced a single S-1 for Canadian Car and Munitions (of Canada), five for Estrada de Ferro Central do Brasil in Brazil, five for Ferrocarriles Nacionales de México in Mexico, and five for the Steel Company of Wales in the United Kingdom.[4]
| Railroad | Quantity | Road numbers |
| Alabama Great Southern Railroad | 2 | 6501–6502 |
| Alameda Belt Line | 3 | D-1–D-3 |
| Alco (demonstrator) | 1 | 660 |
| Alco (plant switcher) | 1 | 5 |
| Alco/War Department | 1 | GT-1304 |
| American Steel and Wire | 1 | 2 |
| Ann Arbor Railroad | 2 | 2–3 |
| ARMCO Steel | 3 | E106–E108 |
| Atchison, Topeka and Santa Fe Railway | 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 |
| Canadian Car and Munitions | 1 | 5 |
| Estrada de Ferro Central do Brasil | 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 Railway | 1 | 101 |
| Donner Hanna Coal Company | 1 | 2 |
| Day and Zimmerman (Iowa Army Ammunition Depot) | 1 | 3-100 |
| Defense Plant Corporation | 2 | DPC25.23, DPC25.24 |
| Delray Connecting Railroad | 4 | 66, 68, 70, 72 |
| Des Moines Union Railway | 4 | 1–4 |
| Detroit and Mackinac Railway | 1 | 646 |
| East St. Louis Junction Railroad | 1 | 100 |
| Elgin, Joliet and Eastern Railway | 5 | 213–217 |
| Erie Railroad | 16 | 306–321 |
| Ford Motor Company | 4 | 6601–6604 |
| Great Lakes Steel Corporation | 1 | 32 |
| Green Bay and Western Railroad | 1 | 102 |
| Gulf, Mobile and Ohio Railroad | 4 | 661–664 |
| Hunken Conkey Construction | 2 | 1001–1002 |
| Inland Steel | 7 | 53, 56, 61, 62, 64–66 |
| Inland Waterways Corporation | 1 | 1 |
| Iowa Transfer Railroad | 1 | 2 |
| John Morrel and Company | 1 | 7 |
| Kansas City Terminal Railway | 5 | 40–44 |
| Kewaunee, Green Bay and Western Railroad | 1 | 103 |
| 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 |
| Massena Terminal Railroad | 2 | 8, 9 |
| Minnesota Transfer Railway | 5 | 60–64 |
| Missouri Pacific Railroad | 2 | 9007, 9008 |
| Nashville, Chattanooga and St. Louis Railway | 4 | 1–4 |
| Ferrocarriles Nacionales de México | 5 | 5000-5004 |
| Newburgh and South Shore Railway | 7 | 3–7, 9, 10 |
| New Orleans and Lower Coast Railroad | 3 | 9013-9015 |
| New York, New Haven and Hartford Railroad | 65 | 0931–0995 |
| New Jersey, Indiana and Illinois Railroad | 1 | 1 |
| New York Central Railroad | 71 | 590, 685–744, 864–873 |
| New York, Chicago and St. Louis Railroad | 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 Railway | 1 | 5 |
| Port Huron and Detroit Railroad | 2 | 51, 52 |
| Portland Terminal Company | 4 | 1005-1008 |
| Procter & Gamble | 1 | 9 |
| Pullman Railroad | 2 | 20, 21 |
| Reading Company | 5 | 50-54 |
| Red River Ordnance Depot | 1 | 7372 |
| Republic Steel | 9 | 15–17, 312–314, D840, D841, D810 |
| River Terminal Railway | 1 | 52 |
| St. Louis and O'Fallon Railway | 1 | 51 |
| Seaboard Air Line | 1 | 1201 |
| Sheffield Steel Corporation | 3 | 11–13 |
| Solvay Processing Division, Allied Chemical | 3 | 1–3 |
| South Buffalo Railway | 4 | 51, 52, 60, 61 |
| Southern Pacific Company | 4 | 1017–1020 |
| Southern Railway | 3 | 2000, 2001, 2006 |
| South Omaha Terminal Railway | 5 | 1–5 |
| Spokane, Portland and Seattle Railway | 2 | 10, 11 |
| Steel Company of Wales (UK) | 5 | 801–805 |
| Studebaker | 2 | 2, 3 |
| Tennessee Central Railway | 1 | 51 |
| Tennessee Coal, Iron and Railroad Company | 3 | 700–702 |
| 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 Railway | 2 | 30, 31 |
| Texas Pacific-Missouri Pacific Terminal Railroad of New Orleans | 2 | 3, 4 |
| Timken Rolling Bearing Company | 2 | 5911, 5912 |
| Toledo, Angola and Western Railway | 1 | 101 |
| Traux Truer Coal | 1 | 10 |
| Union Railroad | 4 | 451–454 |
| Upper Merion and Plymouth Railroad | 1 | 54 |
| U.S. Army | 11 | 7132-7136, 7141-7142, 7374-7375, 7459-7460 |
| 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 |
| Total | 543 | |
S-3
ALCO and the Montreal Locomotive Works constructed approximately 300 S-3s for the North American market between 1950–1957.[1][3] ALCO built 137; MLW built 163:[5]
S-10
MLW constructed 13 S-10s, all for the Canadian Pacific Railway:[3]
Preservation
Ex-Canadian Pacific MLW S-3
No. 6568 on display at the Saskatchewan Railway Museum
Numerous S-1 and S-3 locomotives remain in use, and several are preserved:
See also
References
External links
Diesel and gas turbine locomotives built by MLW |
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