ALCO S-6 | |
Powertype: | Diesel |
Builder: | ALCO |
Buildmodel: | S-6 |
Builddate: | May 1955–December 1960 |
Totalproduction: | 126 |
Aarwheels: | B-B |
Uicclass: | Bo′Bo′ |
Length: | 45feet |
Width: | 102NaN2 |
Height: | 14feet |
Locoweight: | 2300001NaN1 |
Fuelcap: | 635usgal |
Lubecap: | 140usgal |
Coolantcap: | 110usgal |
Sandcap: | 26cuft |
Primemover: | Alco 251A or B |
Rpmrange: | 375–1000 rpm |
Enginetype: | Four-stroke diesel |
Generator: | GE GT-533 (or GE GT-584) |
Tractionmotors: | 4 × GE 731 (GE 752 optional[1]) |
Cylindercount: | Straight 6 |
Cylindersize: | 9x |
Maxspeed: | 600NaN0 |
Poweroutput: | 900abbr=onNaNabbr=on |
Locale: | United States, Mexico |
Notes: | [2] |
The Alco S-6 (specification DL 430) was a diesel-electric switcher locomotive constructed by ALCO of Schenectady, New York; a total of 126 locomotives were built between May 1955 and December 1960. The S-6 was an improved version of the earlier S-5.
Visually indistinguishable from the S-5, the S-6 used an ALCO 251A or 251B prime mover rated at . The locomotive rode on two-axle AAR trucks, giving a B-B wheel arrangement. ALCO produced a cow-calf variant for the Oliver Iron Mining Company designated SB-8/SSB-9, two sets were produced of this version.
Railroad | Quantity | Road Number | Notes | |
---|---|---|---|---|
Allied Chemical Company | 1 | 110 | ||
ARMCO Steel | 1 | 1202 | ||
B. Perini & Sons Construction Company | 1 | 101 | to Upper Merion and Plymouth Railroad 101 | |
Belt Railway of Chicago | 1 | 420 | ||
Ferrocarril Chihuahua al Pacífico | 1 | 60 | Renumbered 106 | |
Cia Fundidora de Hierro y Acero | 3 | 1–3 | ||
Ferrocarril del Pacífico | 24 | 701–723 | ||
Ferrocarriles Nacionales de México | 1 | 5300 | ||
Northern Pacific Railway | 1 | 750 | to Burlington Northern Railroad 950 | |
Ohio River Company (ORCo) | 1 | 56 | ||
Republic Steel | 3 | 153, 317, 318 | ||
Secretaria de Comunicaciones de Obras Publicas (SCOP) | 3 | 7133-1, 2, 3 | to Ferrocarril del Sureste (same numbers) | |
Sheffield Steel | 2 | 15, 16 | ||
Southern Pacific Railroad | 70 | 1033–1082, 4634–4645 | renumbered 1200–1257, 1270–1281 | |
South Buffalo Railway | 6 | 40–45 | ||
Tennessee Copper | 1 | 107 | ||
Upper Merion and Plymouth Railroad | 1 | 61 | ||
U.S. Pipe and Foundry | 1 | 38 | ||
Columbia Geneva Steel | 1 | 1 | ||
Western Maryland Railway | 2 | 151, 152 | ||
Ferrocarriles Unidos de Yucatán | 1 | 301 |