List of ALCO diesel locomotives

American Locomotive Company (ALCO) produced a wide range of diesel-electric locomotives until it ceased manufacture in 1969.

Boxcab locomotives

ModelBuild dateTotal
produced
Wheel
arrangement
Prime moverPower outputImage
60-ton1924–1928
26
B-B
Ingersoll-Rand 10 in × 12 in (254 mm × 305 mm)300 hp (220 kW)
100-ton1925–1928
7
B-B
Ingersoll-Rand 10 × 12 (×2)300 hp (220 kW) × 2
New York Central 15251928
1
B-B
Ingersoll-Rand 10 in × 12 in (254 mm × 305 mm)/batteries/3rd rail300 hp (220 kW)
66-ton1931
1
B-B
McIntosh & Seymour x 10½300 hp (220 kW)

Switchers

ModelSpecificationBuild dateTotal
produced
Wheel
arrangement
Prime moverPower outputImage
ALCO 3001931–193811B-BM&S 6-330300 hp (220 kW)
ALCO 60019311B-B6-531600 hp (450 kW)
HH6001931–193978B-B6-531600 hp (450 kW)

HH9001937–193921B-B6-531T900 hp (670 kW)
HH6601939–4043B-B6-538660 hp (490 kW)
HH10001939–194034B-B6-538T1,000 hp (750 kW)
S-1E-15301940–1950543B-B6-539660 hp (490 kW)
S-2E-15401940–19501462B-B6-539T1,000 hp (750 kW)
S-3E-1530A1950–1953137B-B6-539660 hp (490 kW)

S-4E-1540A1949–1957651B-B6-539T1,000 hp (750 kW)
S-5DL42019511B-B6-251800 hp (600 kW)
S-5DL-42119547B-B6-251A800 hp (600 kW)
S-6DL-430 (1st)1955–1960126B-B6-251B900 hp (670 kW)
SB-8/SSB-9DL-431/DL-46119562 setsB-B+B-B6-251B × 2900 hp (670 kW) × 2
T-6DL-4401958–196957B-B6-251B1,000 hp (750 kW)

Cab units

ModelSpecificationBuild dateTotal
produced
Wheel
arrangement
Prime moverPower outputImage
Rebel power cars1935, 193732-B6-531600 hp (0.45 MW)
DL-103b19391A1A-A1A6-538T × 21,000 hp (0.75 MW) × 2
DL-10519403A1A-A1A6-539T × 21,000 hp (0.75 MW) × 2
DL-1071940–19418A1A-A1A6-539T × 21,000 hp (0.75 MW) × 2
DL-10819413A1A-A1A6-539T × 21,000 hp (0.75 MW) × 2
DL-1091941–194562A1A-A1A6-539T × 21,000 hp (0.75 MW) × 2
DL-11019421A1A-A1A6-539T × 21,000 hp (0.75 MW) × 2
DL-20219452B-B12-2411,500 hp (1.12 MW)
DL-20319451B-B12-2411,500 hp (1.12 MW)
FA-1DL-204, DL206, DL-208, DL-208A, DL-208B1946–1950396B-B12-244A, B1,500 hp (1.12 MW)
FA-1DL-208C195021B-B12-244C1,600 hp (1.19 MW)
FB-1DL205, DL-209, DL-209A, DL-209B1946–1950213B-B12-244A, B1,500 hp (1.12 MW)
FB-1DL-209C195016B-B12-244C1,600 hp (1.19 MW)
FA-2DL-212, DL-212A1950–1956308B-B12-244D, G1,600 hp (1.19 MW)
FPA-2DL-212, DL-212A1950–195154B-B12-244D1,600 hp (1.19 MW)
FB-2DL-213, DL-213A1950–1956181B-B12-244D, G1,600 hp (1.19 MW)
FPB-2DL-213, DL-213A1950–195625B-B12-244D1,600 hp (1.19 MW)
PA-1DL-304, DL-304A, DL-304B1946–1949169A1A-A1A16-2442,000 hp (1.49 MW)
PB-1DL-305, DL-305A, DL-305B1946–194939A1A-A1A16-2442,000 hp (1.49 MW)
PA-2DL-304C, DL-304D1950–195381A1A-A1A16-2442,250 hp (1.68 MW)
PB-2DL-305, DL-305D1950–19538A1A-A1A16-2442,250 hp (1.68 MW)

Four-axle road switchers

ModelSpecificationBuild dateTotal
produced
Wheel
arrangement
Prime moverPower outputImage
RS-1E-1641A1941–1960469B-B6-539T1,000 hp (0.75 MW)
RS-2E-1661, E-1661A, E-1661B1946–1950338B-B12-2441,500 hp (1.12 MW)
RS-2E-1661C195030B-B12-2441,600 hp (1.19 MW)
RS-3E-1662, E-1662A, E-1662B1950–19561272B-B12-2441,600 hp (1.19 MW)
RS-11DL-7011956–1961355B-B12-2511,800 hp (1.34 MW)
RS-27DL-6401959–196227B-B16-2512,400 hp (1.79 MW)
RS-32DL-7211961–196235B-B12-2512,000 hp (1.49 MW)
RS-36DL-701XAP1962–196340B-B12-2511,800 hp (1.34 MW)

Six-axle road switchers

ModelSpecificationBuild dateTotal
produced
Wheel
arrangement
Prime moverPower outputImage
RSC-119464A1A-A1A6-539T1,000 hp (0.75 MW)
RSD-1E-164119466C-C6-539T1,000 hp (0.75 MW)
RSD-1E-16451942-194344C-C6-539T1,000 hp (0.75 MW)
RSD-1E-16461944–1945100C-C6-539T1,000 hp (0.75 MW)
RSC-2E-1661, E-1661A, E-1661B1946–195086A1A-A1A12-2441,500 hp (1.12 MW)
RSC-2E-1661C19505A1A-A1A12-2441,600 hp (1.19 MW)
RSC-3E-1662, E-1662A, E-1662B1950–195599A1A-A1A12-2441,600 hp (1.19 MW)
RSD-4E-1663, E-1663A, E-1663B1951–195236C-C12-2441,600 hp (1.19 MW)
RSD-5E-1664, E-1664A, E-1664B1952–1955204C-C12-2441,600 hp (1.19 MW)
RSD-7DL-60019542C-C16-2442,250 hp (1.68 MW)
RSD-7DL-600A1955–195627C-C16-2442,400 hp (1.79 MW)
RSD-12DL-7021956–1963171C-C12-251B1,800 hp (1.34 MW)
RSD-15DL-600B1956–196075C-C16-251B2,400 hp (1.79 MW)

Century series

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.

ModelSpecificationBuild dateTotal
produced
Wheel
arrangement
Prime moverPower outputImage
C415DL-4151966–196826B-B8-251F1,500 hp (1.12 MW)
C420DL-721A1963–1968131B-B12-251C2,000 hp (1.49 MW)
C424DL-640A1963–196798B-B16-251B2,400 hp (1.79 MW)
C425DL-640B1964–196691B-B16-251C2,500 hp (1.86 MW)
C430DL-430 (2nd)1967–196816B-B16-251E3,000 hp (2.24 MW)
C628DL-6281963–1968186C-C16-251C2,750 hp (2.05 MW)
C630DL-6301965–1968133C-C16-251E3,000 hp (2.24 MW)
C636DL-6361967–196863C-C16-251E3,600 hp (2.68 MW)
C855DL-85519642B-B+B-BDual 16-2515,500 hp (4.10 MW)
C855BDL-85619641B-B+B-BDual 16-2515,500 hp (4.10 MW)

Diesel-hydraulic locomotives

ModelSpecificationBuild dateTotal
produced
Wheel
arrangement
Prime moverPower outputImage
DH643DH-40019643C-CDual 12-251C4,300 hp (3.21 MW)

Military locomotives

ModelSpecificationBuild dateTotal
produced
Wheel
arrangement
Prime moverPower outputImage
MRS-1 or RSX-4E-16701953–195483C-C12-244D1,600 hp (1.19 MW)

Export locomotives

ModelSpecificationBuild dateTotal
produced
Wheel
arrangement
Prime moverPower outputImage
FCA-3DL2121951-195323A1A-A1A12-244D1,600 hp (1.19 MW)
FD-3DL50019533C-C12-244D1,600 hp (1.19 MW)
FD-3DL500A195516C-C12-244D1,600 hp (1.19 MW)
FPD-5DL500A1955–195612C-C12-2441,600 hp (1.19 MW)
RENFE Class 316DL500A195725C-C
FD-6DL500B1958–1968141C-C12-251
12-251B
1,600 hp (1.19 MW)
1,800 hp (1.34 MW)
DL500B1-
SEK class A-301DL500CC-C12-251B1,800 hp (1.34 MW)
FD-7DL500CI1957-195899C-C12-251B1,800 hp (1,340 kW)
DL500CP1957-195959-
FD-9DL500DC-C12-251b1,800 hp (1,340 kW)
FP-9DL500G1965–1973131C-C12-251B1,800 hp (1,340 kW)
DL500S-
DL503S-
DL510-
DL515-
DL515I-
DL521-
DL522G-
DL530-
RSD-8 (NSW 48)DL5311959–1970212C-C6-251D1,060 hp (790 kW)
RSD-8DL531A1958–1959103C-C6-251D1,060 hp (790 kW)
DL531B-
DL531G-
RS-8DL5321966–197474B-B6-251D1,035 hp (770 kW)
SEK class A-201DL532B1961–196210B-B6-251D1,035 hp (0.77 MW)
DL533-
DL534-
RSD-39DL5351961–1993736C-C6*251D1,200 hp (890 kW)
Indian Railways YDM-4 RSD-30DL535A1961–1969100 (#6020-#6049 and #6105-#6129)C-C6-251D1,300 hp (0.97 MW)
ENAFER RSD-35DL535B1963, 1969, 197426C-C1,200 hp (0.89 MW)
DL535C-
DL535EDL535E1969
completed by MLW
14C-C6-251D
DL535M1963115-
DL535SA1A-A1A
DL535T-
RSD-36DL536197820C-C6-251D1,200 hp (890 kW)
Tunisian Railways 040-DKDL536B-
RSD-37DL537196512C-C6-251D1,200 hp (890 kW)
SEK class A-9101DL5371965C-C6-251D993 kilowatts (1,332 hp)
DL539-
RSD-16DL5401957–1959130C-C12-251B1,800 hp (1,340 kW)
RSD-16DL5411960–196877C-C12-251B18,300 hp (13,650 kW)
DL542-
SEK class A-321DL5431961–1970117C-C12-251C1,470 kilowatts (1,971 hp)
DL543A-
DL543SPAP-
DL544-
DL550
DL550K
19641-
DL551-
DL551B-
DL-560DL560
DL560A
1963–196412C-C12-251B2,600 hp (1,940 kW)
DL560B19663-
Indian Railways WDM-2/ALCO RSD-29DL560C1962-19972962, 18040 – 18079 (1962), 18112 – 18232 (1962 – 1963), 18245 – 18298 (1964 – 1965), 18337 – 18361 (1965)C-C16-251B2,600 hp (1,940 kW)
DL560D197415-

Montreal Locomotive Works Export locomotives

ModelSpecificationBuild dateTotal
produced
Wheel
arrangement
Prime moverPower outputImage
MX6151972–197974C-C-1MLW 8-251A1,200 hp (890 kW)
MX6201973–1980145C-CMLW 12-251C2,000 hp (1,490 kW)
MX6241975–198369C-CMLW 12-251E2,400 hp (1,790 kW)
MX6261972–198232C-CMLW 12-251E2,400 hp (1,790 kW)
OSE class A-451MX6271972–197833C-CMLW 12-251C2,750 hp (2,050 kW)
OSE class A-501MX6361974–198010C-CMLW 16-251E3,600 hp (2,680 kW)
MXS6201973–1982100C-CMLW 12-251E2,000 hp (1,490 kW)Double End Cab Units
MXS6241973–198333C-CMLW 16-251E2,400 hp (1,790 kW)Double End Cab Units
MXS6271978–198010C-CMLW 16-251C2,750 hp (2,050 kW)Double End Cab Units
MXS6301978–198233C-CMLW 16-251E3,000 hp (2,240 kW)Double End Cab Units

References

  • 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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