List of MLW diesel locomotives
Encyclopedia
Following is a list of diesel locomotives built by the Montreal Locomotive Works
Montreal Locomotive Works
Montreal Locomotive Works was a Canadian railway locomotive manufacturer which existed under several names from 1883–1985, producing both steam and diesel locomotives. For a number of years it was a subsidiary of the American Locomotive Company...

, a Canadian
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 subsidiary of the American Locomotive Company
American Locomotive Company
The American Locomotive Company, often shortened to ALCO or Alco , was a builder of railroad locomotives in the United States.-Early history:...

 from 1904-1964. From 1964-1975 the company was known as MLW-Worthington and was owned by Bombardier
Bombardier Transportation
Bombardier Transportation is the rail equipment division of the Canadian firm, Bombardier Inc. Bombardier Transportation is one of the world's largest companies in the rail-equipment manufacturing and servicing industry. Its headquarters are in Berlin, Germany....

 from 1975 until its closure in 1985.

Switchers (S series)

ModelSpecificationBuild dateTotal
produced
Wheel
arrangement
AAR wheel arrangement
The AAR wheel arrangement system is a method of classifying locomotive wheel arrangements that was developed by the Association of American Railroads. It is essentially a simplification of the European UIC classification, and it is widely used in North America to describe diesel and electric...

Prime mover
Prime mover (locomotive)
In engineering, a prime mover is an engine that converts fuel to useful work. In locomotives, the prime mover is thus the source of power for its propulsion. The term is generally used when discussing any locomotive powered by an internal combustion engine...

Power output
Horsepower
Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

S-2
ALCO S-2 and S-4
The ALCO S2 and S4 were switcher diesel locomotives produced by ALCO and Canadian licensee Montreal Locomotive Works . Basically, the two locomotives differed only in trucks, with the S-2 using ALCO's own Blunt trucks, and the S-4 riding on standard AAR type A switcher trucks. Both were powered...

 
E1540 1940–1950 40 B-B  6-539T 1000 hp
S-3
ALCO S-1 and S-3
The ALCO S-1 and S-3 were switcher diesel-electric locomotives produced by ALCO and their Canadian subsidiary Montreal Locomotive Works . Basically, the two locomotives differed only in trucks, with the S-1 using ALCO's own Blunt trucks, and the S-3 riding on standard AAR type A switcher trucks...

 
E-1530A 1950–1957 163 B-B  6-539 660 hp
S-4
ALCO S-2 and S-4
The ALCO S2 and S4 were switcher diesel locomotives produced by ALCO and Canadian licensee Montreal Locomotive Works . Basically, the two locomotives differed only in trucks, with the S-2 using ALCO's own Blunt trucks, and the S-4 riding on standard AAR type A switcher trucks. Both were powered...

 
E-1540A,
E-1540B
1949–1961 146 B-B  6-539T 1000 hp
E-1800  E-1800 1951 2 B-B  none yard slug
Slug (railroad)
A railroad slug is an accessory to a diesel-electric locomotive. It has trucks with traction motors but is unable to move about under its own power, as it does not contain a prime mover to produce electricity...

 
E-1800a 1957 2 B-2
S-7  DL-1000 or ME-1000 1957 29 B-B  6-539T 1000 hp
S-10
ALCO S-1 and S-3
The ALCO S-1 and S-3 were switcher diesel-electric locomotives produced by ALCO and their Canadian subsidiary Montreal Locomotive Works . Basically, the two locomotives differed only in trucks, with the S-1 using ALCO's own Blunt trucks, and the S-3 riding on standard AAR type A switcher trucks...

 
DL-066 1958 13 B-B  6-539 660 hp
S-11  DL-406 1959 10
B-B 
6-539
660 hp
S-12  DL-410 1958 11
B-B 
6-539T
1000 hp
S-13  DL-411,
DL-411A
1959–1967 56
B-B 
6-251C
1000 hp

Cab units (FA & FP series)

ModelSpecificationBuild dateTotal
produced
Wheel
arrangement
AAR wheel arrangement
The AAR wheel arrangement system is a method of classifying locomotive wheel arrangements that was developed by the Association of American Railroads. It is essentially a simplification of the European UIC classification, and it is widely used in North America to describe diesel and electric...

Prime mover
Prime mover (locomotive)
In engineering, a prime mover is an engine that converts fuel to useful work. In locomotives, the prime mover is thus the source of power for its propulsion. The term is generally used when discussing any locomotive powered by an internal combustion engine...

Power output
Horsepower
Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

FA-1
ALCO FA
The ALCO FA was a family of B-B diesel locomotives designed to haul freight trains. The locomotives were built by a partnership of ALCO and GE in Schenectady, New York, between January 1946 and May 1959. They were of a cab unit design, and both cab-equipped lead FA and cabless booster FB models...

 
DL-208, DL-208A, DL-208B 1950 28 B-B  12-244 1500 hp
FB-1
ALCO FA
The ALCO FA was a family of B-B diesel locomotives designed to haul freight trains. The locomotives were built by a partnership of ALCO and GE in Schenectady, New York, between January 1946 and May 1959. They were of a cab unit design, and both cab-equipped lead FA and cabless booster FB models...

 
DL-209, DL-209A, DL-209B 1950 20 B-B  12-244 1500 hp
FA-2
ALCO FA
The ALCO FA was a family of B-B diesel locomotives designed to haul freight trains. The locomotives were built by a partnership of ALCO and GE in Schenectady, New York, between January 1946 and May 1959. They were of a cab unit design, and both cab-equipped lead FA and cabless booster FB models...

 
DL-212, DL-212A 1951–1953 45 B-B  12-244 1600 hp
FB-2
ALCO FA
The ALCO FA was a family of B-B diesel locomotives designed to haul freight trains. The locomotives were built by a partnership of ALCO and GE in Schenectady, New York, between January 1946 and May 1959. They were of a cab unit design, and both cab-equipped lead FA and cabless booster FB models...

 
DL-213, DL-213A 1951–1953 21 B-B  12-244 1600 hp
FPA-2
ALCO FA
The ALCO FA was a family of B-B diesel locomotives designed to haul freight trains. The locomotives were built by a partnership of ALCO and GE in Schenectady, New York, between January 1946 and May 1959. They were of a cab unit design, and both cab-equipped lead FA and cabless booster FB models...

 
DL-212, DL-212A 1953–1954 19 B-B  12-244 1600 hp
FPB-2
ALCO FA
The ALCO FA was a family of B-B diesel locomotives designed to haul freight trains. The locomotives were built by a partnership of ALCO and GE in Schenectady, New York, between January 1946 and May 1959. They were of a cab unit design, and both cab-equipped lead FA and cabless booster FB models...

 
DL-213, DL-213A 1953–1954 14 B-B  12-244 1600 hp hp
FPA-4
ALCO FA
The ALCO FA was a family of B-B diesel locomotives designed to haul freight trains. The locomotives were built by a partnership of ALCO and GE in Schenectady, New York, between January 1946 and May 1959. They were of a cab unit design, and both cab-equipped lead FA and cabless booster FB models...

 
DL-218 1958–1959 34 B-B  12-251B 1800 hp
FPB-4
ALCO FA
The ALCO FA was a family of B-B diesel locomotives designed to haul freight trains. The locomotives were built by a partnership of ALCO and GE in Schenectady, New York, between January 1946 and May 1959. They were of a cab unit design, and both cab-equipped lead FA and cabless booster FB models...

 
DL-219 1958–1959 12 B-B  12-251B 1800 hp

RS series (B-B)

ModelSpecificationBuild dateTotal
produced
Wheel
arrangement
AAR wheel arrangement
The AAR wheel arrangement system is a method of classifying locomotive wheel arrangements that was developed by the Association of American Railroads. It is essentially a simplification of the European UIC classification, and it is widely used in North America to describe diesel and electric...

Prime mover
Prime mover (locomotive)
In engineering, a prime mover is an engine that converts fuel to useful work. In locomotives, the prime mover is thus the source of power for its propulsion. The term is generally used when discussing any locomotive powered by an internal combustion engine...

Power output
Horsepower
Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

RS-1
ALCO RS-1
The ALCO RS-1 was a 4-axle diesel-electric locomotive built by Alco-GE between 1941 and 1953 and the American Locomotive Company from 1953 to 1960. This model has the distinction of having the longest production run of any diesel locomotive for the North American market.The carbody configuration of...

 
ME1000R (E-1641A) 1954 3 B-B  6-539T 1000 hp (for NdeM)
RS-2
ALCO RS-2
The ALCO RS-2 is a , B-B road switcher railroad locomotive. It was manufactured by American Locomotive Company from October 1946 to May 1950, and 378 were produced — 369 by the American Locomotive Company, and 9 by Montreal Locomotive Works in Canada. Eight of the ALCO RS-2s were exported to...

 
ME1500R (E-1661B) 1946–1950 9 B-B  12-244 1500 hp
RS-3
ALCO RS-3
The ALCO RS-3 is a 1,600 hp , B-B road switcher railroad locomotive. It was manufactured by American Locomotive Company and Montreal Locomotive Works from May 1950 to August 1956, and 1,418 were produced — 1,265 for American railroads, 98 for Canadian railroads, 48 for Brazilian and 7...

 
ME1600R (E-1662, E-1662A, E1662B) 1951–1956 146 B-B  12-244 1600 hp
RS-10
MLW RS-10
The Montreal Locomotive Works RS-10 was a road switcher built for the Canadian market. It was essentially an ALCO RS-3 in a redesigned carbody. It retained the RS-3's 12-cylinder Alco 244 engine. MLW built 129 of these locomotives before the model was replaced by the MLW RS-18.-Original owners:...

 
DL-700 1954–1957 128 B-B  12-244 1600 hp
RS-11
ALCO RS-11
The ALCO RS-11 is a diesel-electric locomotive of the road switcher type rated at 1,800 hp , that rode on two-axle trucks, having a B-B wheel arrangement.-Development:...

 
DL-701 1963–1964 75 B-B  12-251B 1800 hp (for NdeM)
RS-18
MLW RS-18
The MLW RS-18 was an 1800 hp diesel-electric locomotive built by Montreal Locomotive Works between December 1956 and August 1968...

 
DL-718 1956–1968 351 B-B  12-251B 1800 hp
RS-23  DL-811A 1959–1966 40 B-B  6-251C 1000 hp

RSC series (A1A-A1A)

ModelSpecificationBuild dateTotal
produced
Wheel
arrangement
AAR wheel arrangement
The AAR wheel arrangement system is a method of classifying locomotive wheel arrangements that was developed by the Association of American Railroads. It is essentially a simplification of the European UIC classification, and it is widely used in North America to describe diesel and electric...

Prime mover
Prime mover (locomotive)
In engineering, a prime mover is an engine that converts fuel to useful work. In locomotives, the prime mover is thus the source of power for its propulsion. The term is generally used when discussing any locomotive powered by an internal combustion engine...

Power output
Horsepower
Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

RSC-24
MLW RSC-24
The MLW RSC-24 was a type of diesel-electric locomotive built by Montreal Locomotive Works for use on Canadian National Railway .Only four RSC-24's were built — all in 1959 — and were numbered 1800–1803 by CN...

 
DL-814 1959 4 A1A-A1A  12-244 1400 hp
RSC-14
MLW RSC-14
The MLW RSC-14 was a diesel-electric locomotive rebuilt by Canadian National Railway from locomotives originally supplied by Montreal Locomotive Works.These locomotives began life as MLW RS-18s for the Canadian National Railway...

 
DL-814 1975–1976 38 A1A-A1A  12-251B 1400 hp (RS-18 rebuild with A1A-A1A trucks from RSC-13 by CN
Canadian National Railway
The Canadian National Railway Company is a Canadian Class I railway headquartered in Montreal, Quebec. CN's slogan is "North America's Railroad"....

)

RSD series (C-C)

ModelSpecificationBuild dateTotal
produced
Wheel
arrangement
AAR wheel arrangement
The AAR wheel arrangement system is a method of classifying locomotive wheel arrangements that was developed by the Association of American Railroads. It is essentially a simplification of the European UIC classification, and it is widely used in North America to describe diesel and electric...

Prime mover
Prime mover (locomotive)
In engineering, a prime mover is an engine that converts fuel to useful work. In locomotives, the prime mover is thus the source of power for its propulsion. The term is generally used when discussing any locomotive powered by an internal combustion engine...

Power output
Horsepower
Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

RSD-12
ALCO RSD-12
The ALCO RSD-12 was a diesel-electric locomotive of the road switcher type rated at , that rode on three-axle trucks, having an C-C wheel arrangement....

 
DL-702 1956–1963 10 C-C  12-251B 1800 hp

for Companhia Siderúrgica Nacional
Companhia Siderúrgica Nacional
Companhia Siderúrgica Nacional is the second major steel-maker company in Brazil. Its main plant is located in the city of Volta Redonda, in the state of Rio de Janeiro...

-Brazil
RSD-17  DL600B (DL-624) 1957 1 C-C  16-251B 2400 hp
RSD-35  DL-535 1969–1971 8 C-C  6-251D 1200 hp 5 units built by ALCo and completed by MLW in 1969, 3 units built by MLW in 1971
RSD-35  DL-535 (W) 1982 4 C-C  6-251D 1200 hp all built by BBD, Held in Montreal (Quebec) until 1991,1 to White Pass & Yukon, and 3 to US Gypsum

4-axle units

ModelSpecificationBuild dateTotal
produced
Wheel
arrangement
AAR wheel arrangement
The AAR wheel arrangement system is a method of classifying locomotive wheel arrangements that was developed by the Association of American Railroads. It is essentially a simplification of the European UIC classification, and it is widely used in North America to describe diesel and electric...

Prime mover
Prime mover (locomotive)
In engineering, a prime mover is an engine that converts fuel to useful work. In locomotives, the prime mover is thus the source of power for its propulsion. The term is generally used when discussing any locomotive powered by an internal combustion engine...

Power output
Horsepower
Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

C-424
ALCO Century 424
The Century 424 was a four-axle, 2400 horsepower diesel locomotive of the road switcher type. 190 were built between April 1963 and May 1967. Cataloged as a part of Alco's Century line of locomotives, the C424 was intended to replace the earlier RS-27 model and offered as a lower-priced...

 
DL-640A 1963–1967 92 B-B  16-251B 2400 hp
M-420  1973–1977 92 B-B  12-251C 2000 hp
M-420B  1975 8 B-B  12-251C 2000 hp
M-420R  1974–1975 5 B-B  12-251C 2000 hp
M-420TR  type 1 1972 2 B-B  12-251C 2000 hp built for Roberval and Saguena
M-420TR  type 2 1975 15 B-B  12-251C 2000 hp built for Ferrocarril del Pacifico
M-424  1980 19 B-B  16-251B 2400 hp (15 built for Ferrocarril del Pacifico, 2 built for Unidos del Sureste)

6-axle units

ModelBuild dateTotal
produced
Wheel
arrangement
AAR wheel arrangement
The AAR wheel arrangement system is a method of classifying locomotive wheel arrangements that was developed by the Association of American Railroads. It is essentially a simplification of the European UIC classification, and it is widely used in North America to describe diesel and electric...

Prime mover
Prime mover (locomotive)
In engineering, a prime mover is an engine that converts fuel to useful work. In locomotives, the prime mover is thus the source of power for its propulsion. The term is generally used when discussing any locomotive powered by an internal combustion engine...

Power output
Horsepower
Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

C-630M
ALCO Century 630
The ALCO Century 630 was a six-axle, 3000 horsepower diesel locomotive built between 1965 and 1967. 77 were built: 3 for Atlantic Coast Line Railroad, 4 for Chesapeake and Ohio Railway, 8 for Louisville and Nashville Railroad, 10 for Norfolk and Western Railway, 15 for Pennsylvania Railroad, 12...

 
1965–1969 56 C-C  16-251E 3000 hp
M-630  1969–1973 75 C-C  16-251E 3000 hp
M-630W  C-C  16-251E 3000 hp
M-636  1969–1975 111 C-C  16-251E 3600 hp
M-636 (Australia)  C-C  16-251E 3600 hp
MX-636 (Greece)  1974–1975 10 C-C  16-251F 3500 hp
M-640  1971 1 C-C  18-251 4000 hp

DL series

ModelBuild dateTotal
produced
Wheel
arrangement
AAR wheel arrangement
The AAR wheel arrangement system is a method of classifying locomotive wheel arrangements that was developed by the Association of American Railroads. It is essentially a simplification of the European UIC classification, and it is widely used in North America to describe diesel and electric...

Prime mover
Prime mover (locomotive)
In engineering, a prime mover is an engine that converts fuel to useful work. In locomotives, the prime mover is thus the source of power for its propulsion. The term is generally used when discussing any locomotive powered by an internal combustion engine...

Power output
Horsepower
Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

ModelBuild dateTotal
produced
Wheel
arrangement
AAR wheel arrangement
The AAR wheel arrangement system is a method of classifying locomotive wheel arrangements that was developed by the Association of American Railroads. It is essentially a simplification of the European UIC classification, and it is widely used in North America to describe diesel and electric...

Prime mover
Prime mover (locomotive)
In engineering, a prime mover is an engine that converts fuel to useful work. In locomotives, the prime mover is thus the source of power for its propulsion. The term is generally used when discussing any locomotive powered by an internal combustion engine...

Power output
Horsepower
Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

HR-616
Bombardier HR-616
The Bombardier HR616, also known as the MLW HR616, was a 6 axle, freight locomotive manufactured in Montreal, Quebec, Canada. Twenty were built for Canadian National Railway in 1982, numbered 2100–2119, with 2100–2103 being temporarily renumbered as Bombardier 7000–7003, and rated at for...

 
1982 20 C-C  16-251G 3000 hp

LRC series

ModelBuild dateTotal
produced
Wheel
arrangement
AAR wheel arrangement
The AAR wheel arrangement system is a method of classifying locomotive wheel arrangements that was developed by the Association of American Railroads. It is essentially a simplification of the European UIC classification, and it is widely used in North America to describe diesel and electric...

Prime mover
Prime mover (locomotive)
In engineering, a prime mover is an engine that converts fuel to useful work. In locomotives, the prime mover is thus the source of power for its propulsion. The term is generally used when discussing any locomotive powered by an internal combustion engine...

Power output
Horsepower
Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

Image
LRC-2  1981–1982 21 B-B  12-251F 3750 hp built for VIA RAIL CANADA,
LRC-3  1983–1984 10 B-B 12-251F 3750 hp built for VIA RAIL CANADA,
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