List of MLW diesel locomotives

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Following is a list of diesel locomotives built by the Montreal Locomotive Works, a Canadian subsidiary of the American Locomotive Company from 1904-1964. From 1964-1975 the company was known as MLW-Worthington and was owned by Bombardier from 1975 until its closure in 1985.

Switchers (S series)[edit]

Model Specification Build date Total
produced		 Wheel
arrangement		 Prime mover Power output Image
S-2 E1540 1940–1950 40 B-B 6-539T 1,000 hp (750 kW)
S-3 E-1530A 1950–1957 163 B-B 6-539 660 hp (490 kW)
S-4 E-1540A,
E-1540B		 1949–1957 146 B-B 6-539T 1,000 hp (750 kW)
E-1800 E-1800 1951 2 B-B none yard slug
E-1800a 1957 2 B-2
S-7 DL-1000 or ME-1000 1957 29 B-B 6-539T 1,000 hp (750 kW)
S-10 DL-066 1958 13 B-B 6-539 660 hp (490 kW)
S-11 DL-406 1959 10
B-B
6-539
 660 hp (490 kW)
S-12 DL-410 1958 11
B-B
6-539T
 1,000 hp (750 kW)
S-13 DL-411,
DL-411A		 1959–1967 56
B-B
6-251C
 1,000 hp (750 kW)

Cab units (FA & FP series)[edit]

Model Specification Build date Total
produced		 Wheel
arrangement		 Prime mover Power output Image
FA-1 DL-208A, DL-208B 1949-1950 28 B-B 12-244B 1,500 hp (1.12 MW)
FB-1 DL-209A, DL-209B 1949-1950 20 B-B 12-244B 1,500 hp (1.12 MW)
FA-2 DL-212, DL-212A 1951–1953 45 B-B 12-244 1,600 hp (1.19 MW)
FB-2 DL-213, DL-213A 1951–1953 21 B-B 12-244 1,600 hp (1.19 MW)
FPA-2 DL-212, DL-212A 1953–1955 19 B-B 12-244D 1,600 hp (1.19 MW)
FPB-2 DL-213, DL-213A 1953–1955 14 B-B 12-244D 1,600 hp (1.19 MW) hp
FPA-4 DL-218 1958–1959 34 B-B 12-251B 1,800 hp (1.34 MW)
FPB-4 DL-219 1958–1959 12 B-B 12-251B 1,800 hp (1.34 MW)

Early roadswitchers (RS, RSC, RSD series)[edit]

RS series (B-B)[edit]

Model Specification Build date Total
produced		 Wheel
arrangement		 Prime mover Power output Image
RS-1 ME1000R (E-1641A) 1954 3 B-B 6-539T 1,000 hp (750 kW)
RS-2 ME1500R (E-1661B) 1946–1950 9 B-B 12-244 1,500 hp (1,120 kW)
RS-3 ME1600R (E-1662, E-1662A, E1662B) 1951–1956 146 B-B 12-244 1,600 hp (1,190 kW)
RS-10 DL-700 1954–1957 129 B-B 12-244 1,600 hp (1,190 kW)
RS-11 DL-701 1957, 1963–1964 76 B-B 12-251B 1,800 hp (1,340 kW)
RS-18 DL-718 1956–1968 351 B-B 12-251B 1,800 hp (1,340 kW)
RS-23 DL-811A 1959–1966 40 B-B 6-251C 1,000 hp (750 kW)

RSC series (A1A-A1A)[edit]

Model Specification Build date Total
produced		 Wheel
arrangement		 Prime mover Power output Image
RSC-3 E-1662, E-1662A, E-1662B 1950–1952 99 A1A-A1A 12-244 1,600 hp (1,190 kW)
RSC-13 DL-800 1955–1957 35 A1A-A1A 6-539T 1,000 hp (750 kW)
RSC-24 DL-814 1959 4 A1A-A1A 12-244 1,400 hp (1,040 kW)
RSC-14 DL-814 1975–1976 38 A1A-A1A 12-251B 1,400 hp (1,040 kW) (RS-18 rebuild with A1A-A1A trucks from RSC-13 by CN)

RSD series (C-C)[edit]

Model Specification Build date Total
produced		 Wheel
arrangement		 Prime mover Power output Image
RSD-12 DL-702 1956–1963 10 C-C 12-251B 1,800 hp (1,340 kW)
for Companhia Siderúrgica Nacional-Brazil
RSD-17 DL600B (DL-624) 1957 1 C-C 16-251B 2,400 hp (1,790 kW)
RSD-35 DL-535E 1969–1971 10 Co-Co 6-251D 1,200 hp (890 kW) 7 units built by Alco and completed by MLW in 1969, 3 units built by MLW in 1971
RSD-39 DL-535B 1974 3 C-C 6-251D 1,200 hp (890 kW) PeruRail ##433-436
RSD-39 DL-535B 1974 2 C-C 6-251D 1,200 hp (890 kW)
RSD-35 DL-535E (W) 1982 4 C-C 6-251D 1,200 hp (890 kW) all built by BBD, Held in Montreal (Quebec) until 1991,1 to White Pass & Yukon which in turn was sold to Cumbres and Toltec,[1] and 3 to US Gypsum

Later road switchers[edit]

4-axle units[edit]

Model Specification Build date Total
produced		 Wheel
arrangement		 Prime mover Power output Image
C-424 DL-640A 1963–1967 92 B-B 16-251B 2,400 hp (1,790 kW)
M-420 1973–1977 91 B-B 12-251C 2,000 hp (1,490 kW)
M-420B 1975 8 B-B 12-251C 2,000 hp (1,490 kW)
M-420R 1974–1975 5 B-B 12-251C 2,000 hp (1,490 kW)
M-420TR type 1 1972 2 B-B 12-251C 2,000 hp (1,490 kW) built for Roberval and Saguenay
M-420TR type 2 1975 15 B-B 12-251C 2,000 hp (1,490 kW) built for Ferrocarril del Pacifico
M-424 1980-1981 72 B-B 16-251B 2,400 hp (1,790 kW) (16 built for Ferrocarril del Pacifico, 3 built for Unidos del Sureste and 53 for Ferrocarriles Nacionales de Mexico)

6-axle units[edit]

Model Build date Total
produced		 Wheel
arrangement		 Prime mover Power output Image
M-627 C-C
MX-627 (Greece)[2] 1973 20 C-C 12-251F 2,662 horsepower (1,985 kW)
MX615 1972–1979 74 C-C 1 8-251A 1,200 horsepower (890 kW)
MX620 1973–1980 145 C-C 12-251C 2,000 horsepower (1,500 kW)
MX624[3] 1975–1983 69 C-C 12-251E 1,200 horsepower (890 kW)
MX626 1972–1982 32 C-C 12-251E 2,400 horsepower (1,800 kW)
MX627 1972–1978 33 C-C 12-251C 2,750 horsepower (2,050 kW)
MX630 1974–1980 30 C-C 12-251E 3,000 horsepower (2,200 kW)
MX636 1974–1980 10 C-C 12-251E 3,600 horsepower (2,700 kW)
MXS620 1973–1982 100 C-C 12-251E 2,000 horsepower (1,500 kW)
MXS624 1973–1983 33 C-C 12-251E 2,400 horsepower (1,800 kW)
MXS627 1978–1980 10 C-C 12-251C 2,750 horsepower (2,050 kW)
MLW MXS630 1978–1982 33 C-C 12-251E 3,000 horsepower (2,200 kW)
C-630M 1965–1969 56 C-C 16-251E 3,000 horsepower (2,200 kW)
M-630 1969–1973 75 C-C 16-251E 3,000 horsepower (2,200 kW)
M-630W C-C 16-251E 3,000 horsepower (2,200 kW)
M-636 1969–1975 111 C-C 16-251E 3,600 horsepower (2,700 kW)
M-636 (Australia) C-C 16-251E 3,600 horsepower (2,700 kW)
MX-636 (Greece)[2] 1974–1975 10 C-C 16-251F 3,500 horsepower (2,600 kW)
M-640 1971 1 C-C 18-251 4,000 horsepower (3,000 kW)

DL series[edit]

Model Build date Total
produced		 Wheel
arrangement		 Prime mover Power output Image
DL-500S
DL-535E 1969–1971,1982 14 C-C 6-251C, 6-251D 1,000 hp (750 kW), 1,200 hp (890 kW) see RSD-35 for more information

HR series (actually Bombardier)[edit]

Model Build date Total
produced		 Wheel
arrangement		 Prime mover Power output Image
M-424 1981 53 B-B 12-251C 2,000 horsepower (1,500 kW) built for N de M
HR-412 1981 11 B-B 12-251C 2,400 horsepower (1,800 kW)
HR-616 1982 20 C-C 16-251E 3,000 horsepower (2,200 kW)

LRC series[edit]

Model Build date Total
produced		 Wheel
arrangement		 Prime mover Power output Notes
LRC-2 1981–1982 21 B-B 16-251F 3,750 horsepower (2,800 kW) built for VIA Rail Canada.
LRC-3 1983–1984 10 B-B 16-251F 3,750 horsepower (2,800 kW) built for VIA Rail Canada.

TURBO series[edit]

See also MLW TURBO

Model Build date Total
produced		 Wheel
arrangement		 Prime mover Power output Image
CN/VIA TurboTrain 1967-1968 8 car trainset B-A (per locomotive) ST6 (gas turbine) 800 horsepower (600 kW)

References[edit]

  1. ^ Railfan & Railroad
  2. ^ a b Simms, W.F. (1997). The railways of Greece. Wilfried F. Simms. pp. 53–54. ISBN 0-9528881-1-4.
  3. ^ "MLW MX-624 Data Sheets".
  • Pinkepank, Jerry A. (1973). The Second Diesel Spotter's Guide. Kalmbach Publishing Co., Milwaukee, WI. ISBN 0-89024-026-4.
  • Roberts, E.W. and D.P. Stremes (Eds.). Canadian Trackside Guide 2004 Bytown Railway Society, Ottawa, ON. ISSN 0829-3023
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