ALCO S-1 and S-3

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). The two locomotives differed only in trucks, with the S-1 using ALCO's own Blunt trucks, and the S-3 using 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.

ALCO S-1 and S-3
Mid-Continent Railway No. 7, an S-1, rests between trains on October 10, 2004
Type and origin
Power typeDiesel
Builder
Build date
  • April 1940–June 1950 (S-1)
  • February 1950–November 1953 (S-3)
Total produced
  • 543 (S-1)
  • 300 (S-3)
Specifications
Configuration:
​
 • AARB-B
Gauge4 ft 8 1⁄2 in (1,435 mm) standard gauge
Trucks
  • Blunt (S-1)
  • AAR type A (S-3)
Wheel diameter40 in (1,016 mm)
Minimum curve50° (118.31 ft or 36.06 m)
Wheelbase30 ft (9.14 m)
Length45 ft (13.72 m)
Width10 ft 2 1⁄2 in (3.112 m)
Height14 ft 4 3⁄8 in (4.378 m)
Loco weight199,000 lb (90,000 kg)
Fuel capacity635 US gal (2,400 L; 529 imp gal)
Prime moverAlco 539
Engine typeFour-stroke diesel
AspirationNatural
Displacement9,572 cu in (156.86 l)
GeneratorGE GT 552-A
Traction motors4 × GE 731
CylindersStraight 6
Cylinder size12 1⁄2 in × 13 in (318 mm × 330 mm)
Performance figures
Power output660 hp (490 kW)
Tractive effort49,790 lb (22,580 kg)
Career
LocaleNorth America, Brazil, United Kingdom
[1][2]

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]

RailroadQuantityRoad numbers
Alabama Great Southern Railroad26501–6502
Alameda Belt Line3D-1–D-3
Alco (demonstrator)1660
Alco (plant switcher)15
Alco/War Department1GT-1304
American Steel & Wire12
Ann Arbor Railroad22–3
ARMCO Steel3E106–E108
Atchison, Topeka and Santa Fe Railway22303–2304
Baltimore and Ohio Railroad6223–227, 250
Belt Railway of Chicago3304–306
Birmingham Southern Railroad2100, 101
Boston and Maine Railroad101163–1172
Broward County Port Authority1410
Canadian Car and Munitions15
Estrada de Ferro Central do Brasil53001–3005
Central of Georgia Railway24, 6
Central Railroad of New Jersey21024, 1025
Champlain Paper and Fibre125
Chicago and Eastern Illinois Railroad3103–105
Chicago and North Western Railway291202–1205, 1213, 1223–1229, 1232–1236, 1247–1258
Chicago Great Western Railway511–15
Chicago, St. Paul, Minneapolis and Omaha Railway356, 57, 69
Cincinnati, New Orleans and Texas Pacific Railway26000–6001
City of Prineville Railway1101
Donner Hanna Coal Company12
Day and Zimmerman (Iowa Army Ammunition Depot)13-100
Defense Plant Corporation2DPC25.23, DPC25.24
Delray Connecting Railroad466, 68, 70, 72
Des Moines Union Railway41–4
Detroit and Mackinac Railway1646
East St. Louis Junction Railroad1100
Elgin, Joliet and Eastern Railway5213–217
Erie Railroad16306–321
Ford Motor Company46601–6604
Great Lakes Steel Corporation132
Green Bay and Western Railroad1102
Gulf, Mobile and Ohio Railroad4661–664
Hunken Conkey Construction21001–1002
Inland Steel753, 56, 61, 62, 64–66
Inland Waterways Corporation11
Iowa Transfer Railroad12
John Morrell & Co.17
Kansas City Terminal Railway540–44
Kewaunee, Green Bay and Western Railroad1103
Lehigh Valley Railroad1117
Long Island Rail Road14404–408, 413–420, 421
Louisville and Nashville Railroad4516–29, 34–68
Maine Central Railroad8953–960
Massena Terminal Railroad28, 9
Minnesota Transfer Railway560–64
Missouri Pacific Railroad29007, 9008
Nashville, Chattanooga and St. Louis Railway41–4
Ferrocarriles Nacionales de México55000-5004
Newburgh and South Shore Railway73–7, 9, 10
New Orleans and Lower Coast Railroad39013-9015
New York, New Haven and Hartford Railroad650931–0995
New Jersey, Indiana and Illinois Railroad11
New York Central Railroad71590, 685–744, 864–873
New York, Chicago and St. Louis Railroad185
Northern Pacific Railway1131
Northern Pacific Terminal530–34
Pennsylvania Railroad275661–5670, 5954–5956, 9100–9103, 9237–9246
Point Comfort and Northern Railway15
Port Huron and Detroit Railroad251, 52
Portland Terminal Company41005-1008
Procter & Gamble19
Pullman Railroad220, 21
Reading Company550-54
Red River Ordnance Depot17372
Republic Steel915–17, 312–314, D840, D841, D810
River Terminal Railway152
St. Louis and O'Fallon Railway151
Seaboard Air Line11201
Sheffield Steel Corporation311–13
Solvay Processing Division, Allied Chemical31–3
South Buffalo Railway451, 52, 60, 61
Southern Pacific Company41017–1020
Southern Railway32000, 2001, 2006
South Omaha Terminal Railway51–5
Spokane, Portland and Seattle Railway210, 1110 Sold to City of Prineville 102, 11 to Burlington Northern 11
Steel Company of Wales (UK)5801–805
Studebaker22, 3
Tennessee Central Railway151
Tennessee Coal, Iron and Railroad Company3700–702
Tennessee Copper2104, 105
Terminal Railroad Association of St. Louis4521–524
Texas and New Orleans Railroad110
Texaco119
Texas City Terminal Railway230, 31
Texas Pacific-Missouri Pacific Terminal Railroad of New Orleans23, 4
Timken Rolling Bearing Company25911, 5912
Toledo, Angola and Western Railway1101
Traux Truer Coal110
Union Railroad4451–454
Upper Merion and Plymouth Railroad154
U.S. Army117132-7136, 7141-7142, 7374-7375, 7459-7460
Wabash Railroad9151–159
Weirton Steel3200, 203, 204
Western Maryland Railway1102
Western Pacific Railroad8504–511
Youngstown Sheet and Tube5661–665
Total543

S-3

ALCO and the Montreal Locomotive Works constructed approximately 300 S-3s for the North American market between 1950–1957.[1][3]

RailroadQuantityRoad numbers
Manufactured by ALCO
Aluminum Company of America18
Ann Arbor Railroad44–7
Boston and Maine Railroad161173–1188
Brooks and Scanlon2101, 102
Champion Paper12104
Chicago and North Western Railway61262–1267
Davenport, Rock Island and North Western Railway71–7
Davidson Chemical Division, W.R. Grace and Company1101
El Dorado and Wesson Railway118
Ford Motor Company76605–6611
Frederick Snare Corporation17
General Portland Cement11
Graysonia, Nashville and Ashdown Railroad151
Greater Portland Public Development Corporation1661
Humble Oil1997
Louisville and Nashville Railroad769–75
Maine Central Railroad2961, 962
Manistique and Lake Superior Railroad11
Mount Hood Railroad150
New York Central Railroad43874–916
Pennsylvania Railroad138873–8885
Solvay Processing Division, Allied Chemical and Dye Corporation12
Southern Pacific Company101023–1032
Swift and Company1664
Texas and Northern Railway23, 4
Texas City Terminal Railway132
Texaco221, 22
Washington, Idaho and Montana Railway130
West Pittston and Exeter Railway16
ALCO total137
Manufactured by MLW
Bathhurst Power and Paper13
Canadian Arsenals11
Canadian National Railway498450–8498
Canadian Pacific Railway1016500–6600
Essex Terminal Railway1103
LaSalle Coke14
National Harbours Board8D2–D9
Price Brothers1106
MLW subtotal163
Total300

S-10

MLW constructed 13 S-10s in 1958, all for the Canadian Pacific Railway.[3] These units were essentially similar to late-built S3s, though with minor updates to the electrical gear.

RailroadQuantityRoad numbers
Canadian Pacific Railway136601–6613

S-11

In 1959, MLW built a final order of 660 horsepower switchers for the Canadian Pacific, as model S-11. The internal machinery of these units was essentially the same as that of the S-10, but the car body was radically redesigned, with the radiator on the front end of the hood instead of on the sides. [4]

RailroadQuantityRoad numbers
Canadian Pacific Railway106614–6623

At the end of the 1974 chase film Dirty Mary, Crazy Larry, the titular characters meet their end when they are hit by a train pulled by an S-1 locomotive.

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
  1. Foster, Gerald L. (1996). A Field Guide to Trains of North America. Boston: Houghton Mifflin. p. 6. ISBN 0-3957-0112-0.
  2. Dorin, Patrick C. (1972). Chicago and North Western Power. Burbank, California: Superior Publishing. pp. 134–135. ISBN 0-87564-715-4.
  3. Pinkepank, Jerry A. (1973). The Second Diesel Spotter's Guide. Milwaukee, Wisconsin: Kalmbach Publishing. pp. 221–222. ISBN 978-0-89024-026-7.
  4. Kirkland, John, "The Diesel Builders, volume 2: Also" Interurban Press, 1989
  5. "Western Pacific 512". Western Pacific Railroad Museum. Retrieved 28 November 2015.
  6. "Locomotives". Saskatchewan Railway Museum. Archived from the original on 8 December 2015. Retrieved 28 November 2015.


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