Montreal Locomotive Works: Location, Production, History

Last revised: August 26, 2024

The Montreal Locomotive Works, often referred to by its initials as MLW, was a long-established manufacturer of locomotives dating back to the late 19th century.

During the early 20th century the newly formed American Locomotive Company (Alco) acquired MLW's predecessor as a means of opening new possibilities in the Canadian market.

Over the years MLW became a formidable builder, manufacturing at least one locomotive for most of the country's largest railroads.

During the diesel era Alco's northern arm continued to supply Canada with models inspired by its parent's designs, slightly modified for use in that country.

Interestingly, many MLW products remained in use long after most of its parents equipment had been retired from American lines. During the 1980s MLW was purchased by Bombardier and its name was soon dissolved.

Photos

Canadian Pacific RS18 #8787 was photographed here at Agincourt Yard in Toronto on September 7, 1980. B. Ottaway photo. American-Rails.com collection.

History

The Montreal Locomotive Works began as the Locomotive & Machine Company of Montreal, which was established in 1883 and began producing steam locomotives for several Canadian railroads.

During this time American manufacturers were mostly cutoff from offering their products in Canada since tariffs were in place to protect the country's locomotive builders against foreign competition.

However, some American builders circumvented this by outright purchasing these companies, thereby having their own presence in the country (this was particularly true during the diesel era). The American Locomotive Company (Alco) was one such builder to do this.

It was formed in 1901 through the merger of several small manufacturers including:

Dickson Manufacturing Company

Brooks Locomotive Works

Cooke Locomotive & Machine Works

Schenectady Locomotive Works

Manchester Locomotive Works

Richmond Locomotive Works

Pittsburgh Locomotive & Car Works

Rhode Island Locomotive Works

Location

Alco's primary plant was based in Schenectady, New York and it acquired the Locomotive & Machine Company of Montreal in 1904 to reach Canadian customers such as Canadian National, Canadian Pacific, Grand Trunk, and others. The company was quite new when Alco acquired the property having only been in the locomotive manufacturing since 1902.

Canadian National 4-8-2 #6060 (U-1-f), a 1944 product of Montreal, leads an eastbound excursion through Upton, Quebec on September 15, 1973. Carl Sturner photo. American-Rails.com collection.

Steam Locomotives

Alco later renamed its new subsidiary as the Montreal Locomotive Works, Ltd. (MLW) in 1908. Between both manufacturers, Alco and MLW became major suppliers of steam locomotives in their respective countries. This was especially the case for the MLW after 1920, which contracted to build locomotives for CN through World War II.

Additionally, during the war years the company constructed equipment for the Allies. Overall, prior to the transition to diesels MLW was a very profitable arm of Alco since it supplied so much of Canada's railroads with locomotives.

Canadian National 4-8-4 #6212 (manufactured by MLW in 1943) approaches the junction at Cantic, Quebec during the 1950s. Philip Hastings photo. American-Rails.com collection.

This changed, of course, when Electro-Motive successfully demonstrated to the North American railroad industry that diesels, through its FT cab model, were a cheaper and more efficient means of motive power.

During 1949 EMD formed General Motors Diesel, Ltd. to serve the Canadian market (a year later the Canadian Locomotive Company was acquired by Fairbanks Morse, a newcomer to locomotive manufacturing, for the same purpose).

Diesel Locomotives

While these new competitors gave MLW significant and growing competition in its home country the builder had actually been producing diesels since Alco released its S series switchers in 1940 beginning with the S1. After World War II it also began building road-switchers in the form of the RS2 and the FA cab model after 1950.

Interestingly enough, Canadian railroads seemed to take a greater interest in Alco-inspired products built by the Montreal Locomotive Works than American lines.

For instance, several models released in the Road Switcher (RS) series were only available in Canada including the RS10, RS18, RSC13, RSD17, and RSC24. Additionally, the FA design was particularly well-liked.

Alco stopped cataloging it domestically in the U.S. after 1953 due both to EMD's stronghold on the market through its F series as well as the result of the failed 244 prime mover that caused many railroads to lose faith in the manufacturer.

However, MLW continued to produce a passenger version, the FPA4 for CN through the late 1950s (and which remained in service until the 1980s).

Overview

Genesis	Locomotive & Machine Company of Montreal, Ltd. (1883)
Formation	1902 (Montreal Locomotive Works, Ltd.)
Headquarters	Montreal, Quebec (1505 Dickson Street)
Dates of Operation	1883 - June 22, 1978*
Diesel Models Produced	S-2, S-3, S-4, S-7, S-10, S-11, S-12, S-13, FA-1, FB-1, FA-2, FB-2, FPA-2, FPB-2, FPA-4, FPB-4, RS-1, RS-2, RS-3, RSC-3, RS-10, RS-10-S, RS-11, RSD-12, RS-13, RSD-17, RS-18, RS-23, RS-24, RS-37, C-424, M-630, M-636, M-640
Total Diesels Produced	1,737 (excluding exports)
Most Successful Diesel Model	RS18 (351)
Final Diesel Model	M-640 (March, 1971)

* Following the closure of Alco's primary manufacturing facility in Schenectady, New York the builder transferred some key personnel, along with company designs, to Montreal in the fall of 1969.

By this point the company was known as MLW-Worthington, a name it had carried since December, 1964 when parent American Locomotive was acquired by Studebaker-Worthington, Inc.

MLW-Worthington continued to design and build locomotives throughout the 1970s until June 23, 1978 when new owner Les Entreprises de J. Armand Bombardier, Ltd. of Valcourt, Quebec (which had acquired MLW Worthington, Ltd. in 1975) dropped the MLW name to become simply Bombardier Incorporated, Rail and Diesel Products Division. Locomotives continued to be produced at the Montreal plant with Alco/MLW lineage until 1985.

During 1963 Alco dropped its RS series for the new Century models starting with the C420. Only one four-axle and one six-axle model was sold by the Montreal Locomotive Works, the C424 and C630M purchased by both CN and CP (Pacific Great Eastern also ordered four examples of the latter).

Bombardier Acquisition

After Alco stopped producing locomotives in December, 1968, MLW acquired all of its parents designs and continued to operate independently. From 1970 through 1980 it produced its own line of what were essentially Century models, slightly renamed; the M424, M420, M640, M630, and M636.

MLW's independence did not last long, though, as Quebec-based Bombardier Inc. purchased a majority interest in the company to expand its reach into the locomotive market.

Diesel Models

S Series

Model Type	Units Built	Date Built	Horsepower
S-1	1	1941	660
S-2	114	1943-1949	1,000
S-3	163	1950-1957	660
S-4	150	1949-1957	1,000
S-7	29	1957	1,000
S-10	13	1957-1958	660
S-11	10	1959	600
S-12	11	1958	1,000
S-13	56	1958-1967	1,000

RS Series

Model Type	Units Built	Date Built	Horsepower
RS-2	15	1947-1950	1,500
RS-3	98	1951-1955	1,600
RS-3	98	1951-1955	1,600
RS-10/S	128	1955-1957	1,600
RS-11	15	1956	1,800
RS-18	353	1957-1968	1,800
RS-23	31	1959-1960	1,000
RSC-3	8	1951-1952	1,600
RSC-13	35	1955-1959	1,000
RSD-17	1 (Nicknamed "The Empress of Agincourt")	1957	2,400
RSC-24	4	1959	1,400

FA Series

Model Type	Units Built	Date Built	Horsepower
FA-1	28	1950	1,500
FB-1	20	1950	1,500
FA-2	28	1951-1953	1,600
FB-2	21	1951-1953	1,600
FPA-2	13	1953-1955	1,600
FPB-2	8	1953-1955	1,600
FPA-4	34	1958-1959	1,800
FPB-4	12	1958-1959	1,800

Century Series

Model Type	Units Built	Date Built	Horsepower
C-424	99	1963-1967	2,400
C-630M	56	1967-1969	3,000
M-420/W/B/R/TR/TR-2	192	1972-1976	2,000
M-424	72	1980-1981	2,400
M-640	1	1971	4,000
M-630	29	1969-1970	3,000
M-636	64	1969-1970	3,600

VIA Rail FPA-4 #6779 receives some attention in Moncton, New Brunswick July of 1986. This unit was built by MLW as Canadian National #6779 in March, 1959. American-Rails.com collection.

In 1979, Bombardier shed the Montreal Locomotive Works name and began offering, somewhat unsuccessfully, its own line of road-switchers.

However, by 1985 it ceased production altogether and turned its attention to producing equipment for the passenger/commuter rail market. The company no longer needed the old MLW plant, which it sold to General Electric in 1988.

GE continued to use the facility for a few years to rebuild and overhaul some of its early road-switchers but had no further use for the plant by 1993.

Ten years later the complex was razed entirely during 2004. Ironically, today Bombardier has returned to building locomotives for the commuter rail sector with plants in Quebec, Ontario, and New York.

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