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List of ALCO diesel locomotive classes

From Wikipedia, the free encyclopedia

The American Locomotive Company (ALCO), based in Schenectady, New York, United States produced a wide range of diesel-electric locomotives from its opening in 1901 until it ceased manufacture in 1969. This is a list of ALCO locomotive classes.

For individually notable locomotives, please see List of locomotives. There are numerous individual ALCO locomotives that are preserved in museums or heritage railways. In particular please see sublists List of preserved locomotives in the United States and List of preserved locomotives in Canada.

Boxcab locomotives

[edit]
Model Build date Total
produced
Wheel
arrangement
Prime mover Power output Image
60-ton 1924–1928 26 B-B Ingersoll-Rand 10 in × 12 in (254 mm × 305 mm) 300 hp (220 kW)
100-ton 1925–1928 7 B-B Ingersoll-Rand 10 × 12 (×2) 300 hp (220 kW) × 2
New York Central 1525 1928 1 B-B Ingersoll-Rand 10 in × 12 in (254 mm × 305 mm)/batteries/3rd rail 300 hp (220 kW)
66-ton 1931 6 B-B McIntosh & Seymour 9½ x 10½ 300 hp (220 kW)

Switchers

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Model Specification Build date Total
produced
Wheel
arrangement
Prime mover Power output Image
ALCO 300 1931–1938 11 B-B M&S 6-330 300 hp (220 kW)
ALCO 600 1931 1 B-B 6-531 600 hp (450 kW)
HH600 1931–1939 78 B-B 6-531 600 hp (450 kW)

HH900 1937–1939 21 B-B 6-531T 900 hp (670 kW)
HH660 1939–40 43 B-B 6-538 660 hp (490 kW)
HH1000 1939–1940 34 B-B 6-538T 1,000 hp (750 kW)
S-1 E-1530 1940–1950 543 B-B 6-539 660 hp (490 kW)
S-2 E-1540 1940–1950 1462 B-B 6-539T 1,000 hp (750 kW)
S-3 E-1530A 1950–1953 137 B-B 6-539 660 hp (490 kW)

S-4 E-1540A 1949–1957 651 B-B 6-539T 1,000 hp (750 kW)
S-5 DL420 1951 1 B-B 6-251 800 hp (600 kW)
S-5 DL-421 1954 7 B-B 6-251A 800 hp (600 kW)
S-6 DL-430 (1st) 1955–1960 126 B-B 6-251B 900 hp (670 kW)
SB-8/SSB-9 DL-431/DL-461 1956 2 sets B-B+B-B 6-251B × 2 900 hp (670 kW) × 2
T-6 DL-440 1958–1969 57 B-B 6-251B 1,000 hp (750 kW)

Cab units

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Model Specification Build date Total
produced
Wheel
arrangement
Prime mover Power output Image
Rebel power cars 1935, 1937 3 2-B 6-531 600 hp (0.45 MW)
DL-103b 1939 1 A1A-A1A 6-538T × 2 1,000 hp (0.75 MW) × 2
DL-105 1940 3 A1A-A1A 6-539T × 2 1,000 hp (0.75 MW) × 2
DL-107 1940–1941 8 A1A-A1A 6-539T × 2 1,000 hp (0.75 MW) × 2
DL-108 1941 3 A1A-A1A 6-539T × 2 1,000 hp (0.75 MW) × 2
DL-109 1941–1945 62 A1A-A1A 6-539T × 2 1,000 hp (0.75 MW) × 2
DL-110 1942 1 A1A-A1A 6-539T × 2 1,000 hp (0.75 MW) × 2
DL-202 1945 2 B-B 12-241 1,500 hp (1.12 MW)
DL-203 1945 1 B-B 12-241 1,500 hp (1.12 MW)
FA-1 DL-204, DL206, DL-208, DL-208A, DL-208B 1946–1950 396 B-B 12-244A, B 1,500 hp (1.12 MW)
FA-1 DL-208C 1950 21 B-B 12-244C 1,600 hp (1.19 MW)
FB-1 DL205, DL-209, DL-209A, DL-209B 1946–1950 213 B-B 12-244A, B 1,500 hp (1.12 MW)
FB-1 DL-209C 1950 16 B-B 12-244C 1,600 hp (1.19 MW)
FA-2 DL-212, DL-212A 1950–1956 308 B-B 12-244D, G 1,600 hp (1.19 MW)
FPA-2 DL-212, DL-212A 1950–1951 54 B-B 12-244D 1,600 hp (1.19 MW)
FB-2 DL-213, DL-213A 1950–1956 181 B-B 12-244D, G 1,600 hp (1.19 MW)
FPB-2 DL-213, DL-213A 1950–1956 25 B-B 12-244D 1,600 hp (1.19 MW)
PA-1 DL-304, DL-304A, DL-304B 1946–1949 169 A1A-A1A 16-244 2,000 hp (1.49 MW)
PB-1 DL-305, DL-305A, DL-305B 1946–1949 39 A1A-A1A 16-244 2,000 hp (1.49 MW)
PA-2 DL-304C, DL-304D 1950–1953 81 A1A-A1A 16-244 2,250 hp (1.68 MW)
PB-2 DL-305, DL-305D 1950–1953 8 A1A-A1A 16-244 2,250 hp (1.68 MW)

Four-axle road switchers

[edit]
Model Specification Build date Total
produced
Wheel
arrangement
Prime mover Power output Image
RS-1 E-1641A 1941–1960 469 B-B 6-244T, 6-539T 1,000 hp (0.75 MW)
RS-2 E-1661, E-1661A, E-1661B 1946–1950 338 B-B 12-244 1,500 hp (1.12 MW)
RS-2 E-1661C 1950 30 B-B 12-244 1,600 hp (1.19 MW)
RS-3 E-1662, E-1662A, E-1662B 1950–1956 1272 B-B 12-244 1,600 hp (1.19 MW)
RS-11 DL-701 1956–1961 355 B-B 12-251 1,800 hp (1.34 MW)
RS-27 DL-640 1959–1962 27 B-B 16-251 2,400 hp (1.79 MW)
RS-32 DL-721 1961–1962 35 B-B 12-251 2,000 hp (1.49 MW)
RS-36 DL-701XAP 1962–1963 40 B-B 12-251 1,800 hp (1.34 MW)

Six-axle road switchers

[edit]
Model Specification Build date Total
produced
Wheel
arrangement
Prime mover Power output Image
RSC-1 1946 4 A1A-A1A 6-539T 1,000 hp (0.75 MW)
RSD-1 E-1641 1946 6 C-C 6-244T, 6-539T 1,000 hp (0.75 MW)
RSD-1 E-1645 1942-1943 44 C-C 6-244T, 6-539T 1,000 hp (0.75 MW)
RSD-1 E-1646 1944–1945 100 C-C 6-244T, 6-539T 1,000 hp (0.75 MW)
RSC-2 E-1661, E-1661A, E-1661B 1946–1950 86 A1A-A1A 12-244 1,500 hp (1.12 MW)
RSC-2 E-1661C 1950 5 A1A-A1A 12-244 1,600 hp (1.19 MW)
RSC-3 E-1662, E-1662A, E-1662B 1950–1955 99 A1A-A1A 12-244 1,600 hp (1.19 MW)
RSD-4 E-1663, E-1663A, E-1663B 1951–1952 36 C-C 12-244 1,600 hp (1.19 MW)
RSD-5 E-1664, E-1664A, E-1664B 1952–1955 204 C-C 12-244 1,600 hp (1.19 MW)
RSD-7 DL-600 1954 2 C-C 16-244 2,250 hp (1.68 MW)
RSD-7 DL-600A 1955–1956 27 C-C 16-244 2,400 hp (1.79 MW)
RSD-12 DL-702 1956–1963 171 C-C 12-251B 1,800 hp (1.34 MW)
RSD-15 DL-600B 1956–1960 75 C-C 16-251B 2,400 hp (1.79 MW)

Century series

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ALCO announced its "Century Series" of diesel locomotives in 1963 as a leap forward in power and reliability, an attempt to compete more aggressively with GM-EMD and GE in the marketplace.

Model Specification Build date Total
produced
Wheel
arrangement
Prime mover Power output Image
C415 DL-415 1966–1968 26 B-B 8-251F 1,500 hp (1.12 MW)
C420 DL-721A 1963–1968 131 B-B 12-251C 2,000 hp (1.49 MW)
C424 DL-640A 1963–1967 98 B-B 16-251B 2,400 hp (1.79 MW)
C425 DL-640B 1964–1966 91 B-B 16-251C 2,500 hp (1.86 MW)
C430 DL-430 (2nd) 1967–1968 16 B-B 16-251E 3,000 hp (2.24 MW)
C628 DL-628 1963–1968 186 C-C 16-251C 2,750 hp (2.05 MW)
C630 DL-630 1965–1968 133 C-C 16-251E 3,000 hp (2.24 MW)
C636 DL-636 1967–1968 63 C-C 16-251E 3,600 hp (2.68 MW)
C855 DL-855 1964 2 B-B+B-B Dual 16-251 5,500 hp (4.10 MW)
C855B DL-856 1964 1 B-B+B-B Dual 16-251 5,500 hp (4.10 MW)

Diesel-hydraulic locomotives

[edit]
Model Specification Build date Total
produced
Wheel
arrangement
Prime mover Power output Image
DH643 DH-400 1964 3 C-C Dual 12-251C 4,300 hp (3.21 MW)

Military locomotives

[edit]
Model Specification Build date Total
produced
Wheel
arrangement
Prime mover Power output Image
MRS-1 or RSX-4 E-1670 1953–1954 83 C-C 12-244D 1,600 hp (1.19 MW)

Locomotives export and not exported

[edit]
Model Specification Build date Total
produced
Wheel
arrangement
Main engine Power output Image
FCA-3 DL212 1951-1953 23 A1A-A1A 12-244D 1,600 hp (1.19 MW)
FD-3 DL500 1953 3 C-C 12-244D 1,600 hp (1.19 MW)
FD-3 DL500A 1955 16 C-C 12-244D 1,600 hp (1.19 MW)
FPD-5 DL500A 1955–1956 12 C-C 12-244 1,600 hp (1.19 MW)
Renfe Class 316 DL500A 1957 25 C-C
FD-6 DL500B 1958–1968 141 C-C 12-251
12-251B
1,600 hp (1.19 MW)
1,800 hp (1.34 MW)
DL500B1 -
SEK class A-301 DL500C C-C 12-251B 1,800 hp (1.34 MW)
FD-7 DL500CI 1957-1958 99 C-C 12-251B 1,800 hp (1.34 MW)
DL500CP 1957-1959 59 -
FD-9 DL500D C-C 12-251b 1,800 hp (1.34 MW)
FP-9 DL500G 1965–1973 131 C-C 12-251B 1,800 hp (1.34 MW)
FPD 9 DL500S 1964-1966 23 C-C ALCO 251-C 2,180 hp (1.63 MW)
DL503S -
DL510 -
DL515 -
DL515I -
DL521 -
DL522G -
DL530 -
RSD-8 (NSW 48) DL531 1959–1970 212 C-C 6-251D 1,060 hp (790 kW)
RSD-8 DL531A 1958–1959 103 C-C 6-251D 1,060 hp (790 kW)
DL531B -
DL531G -
RS-8 DL532 1966–1974 74 B-B 6-251D 1,035 hp (770 kW)
SEK class A-201 DL532B 1961–1962 10 B-B 6-251D 1,035 hp (770 kW)
DL533 -
DL534 -
RSD-35 DL535 1963 40 C-C 6-251D 1,350 hp (1,010 kW)
RSD-35 DL535 1963 70(MLW) C-C 6-251D 1,350 hp (1,010 kW)
RSD-39 DL535-S/DL535-T 1965–1967 736 C-C ALCO 251-D 1,200 hp (890 kW)
YDM-4 RSD-30 DL535A 1961–1969 100 (#6020-#6049 and #6105-#6129) C-C 6-251D 1,300 hp (970 kW)
ENAFER RSD-35 DL535B 1963, 1969, 1974 26 C-C 1,200 hp (890 kW)
DL535C -
DL535E DL535E 1969
completed by MLW
10 C-C 6-251D 1,200 hp (890 kW)
DL535M 1963 115 -
DL535S A1A-A1A
DL535T -
RSD-36 DL536 1978 20 C-C 6-251D 1,200 hp (890 kW)
Tunisian Railways 040-DK DL536B -
RSD-37 DL537 1965 12 C-C 6-251D 1,200 hp (890 kW)
SEK class A-9101 DL537 1965 C-C 6-251D 993 kilowatts (1,332 hp)
DL539 -
RSD-16 DL540 1957–1959 130 C-C ALCO 12-251B 1,950 hp (1,450 kW)
RSD-16 DL541 1960–1968 77 C-C 12-251B 1,830 hp (1,360 kW)
DL542 -
SEK class A-321 DL543 1961–1970 117 C-C 12-251C 1,470 kilowatts (1,971 hp)
DL543A -
DL543SPAP -
DL544 -
DL550
DL550K
1964 1 -
DL551 -
DL551B -
DL-560 DL560
DL560A
1963–1964 12 C-C 12-251B 2,600 hp (1,940 kW)
DL560B 1966 3 -
WDM-2/ALCO RSD-29 DL560C 1962-1997 2962, 18040 – 18079 (1962), 18112 – 18232 (1962 – 1963), 18245 – 18298 (1964 – 1965), 18337 – 18361 (1965) C-C 16-251B 2,600 hp (1,940 kW)
DL560D 1974 15 -

Montreal Locomotive Works Export locomotives

[edit]
Model Specification Build date Total
produced
Wheel
arrangement
Prime mover Power output Image
MX615 1972–1979 74 C-C-1 MLW 8-251A 1,200 hp (890 kW)
MX620 1973–1980 145 C-C MLW 12-251C 2,000 hp (1,490 kW)
MX624 1975–1983 69 C-C MLW 12-251E 2,400 hp (1,790 kW)
MX626 1972–1982 32 C-C MLW 12-251E 2,400 hp (1,790 kW)
OSE class A-451 MX627 1972–1978 33 C-C MLW 12-251C 2,750 hp (2,050 kW)
OSE class A-501 MX636 1974–1980 10 C-C MLW 16-251E 3,600 hp (2,680 kW)
MXS620 1973–1982 100 C-C MLW 12-251E 2,000 hp (1,490 kW) Double End Cab Units
MXS624 1973–1983 33 C-C MLW 16-251E 2,400 hp (1,790 kW) Double End Cab Units
MXS627 1978–1980 10 C-C MLW 16-251C 2,750 hp (2,050 kW) Double End Cab Units
MXS630 1978–1982 33 C-C MLW 16-251E 3,000 hp (2,240 kW) Double End Cab Units

References

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  • Lamb, J. Parker (2007). Evolution of the American Diesel Locomotive. Railroads Past and Present. Bloomington, Indiana: Indiana University Press. ISBN 978-0-253-34863-0.
  • Marre, Louis A. (1995). Diesel Locomotives: The First 50 Years: A Guide to Diesels Built Before 1972. Railroad Reference Series. Waukesha, Wisconsin: Kalmbach Publishing. ISBN 978-0-89024-258-2.
  • Pinkepank, Jerry A. (1973). The Second Diesel Spotter's Guide. Milwaukee, Wisconsin: Kalmbach Publishing. ISBN 978-0-89024-026-7.
  • Schafer, Mike (1998). Vintage Diesel Locomotives. Enthusiast Color Series. Osceola, Wisconsin: MBI Publishing. ISBN 978-0-7603-0507-2.
  • Solomon, Brian (2000). The American Diesel Locomotive. Osceola, Wisconsin: MBI Publishing Company. ISBN 978-0-7603-0666-6.
  • Solomon, Brian (2009). Alco Locomotives. Minneapolis, MN, USA: Voyageur Press. ISBN 9780760333389.
  • Solomon, Brian (2010). Vintage Diesel Power. Minneapolis, Minnesota: MBI Publishing. ISBN 978-0-7603-3795-0.
  • Solomon, Brian (2012). North American Locomotives: A Railroad-by-Railroad Photohistory. Minneapolis, Minnesota: Voyageur Press. ISBN 978-0-7603-4370-8.
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