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:...

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

Boxcab locomotives

Model	Build date	Total 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...	60-ton ALCO boxcab The ALCO boxcabs were diesel-electric switcher locomotives, otherwise known as AGEIR boxcabs as a contraction of the names of the builders. Produced by a partnership of three companies, ALCO built the chassis and running gear, General Electric the generator, motors and controls, and Ingersoll Rand...	1924–1928	26	B-B	Ingersoll-Rand 10 by 12 in (254 by 304.8 mm)	300 hp
100-ton ALCO boxcab The ALCO boxcabs were diesel-electric switcher locomotives, otherwise known as AGEIR boxcabs as a contraction of the names of the builders. Produced by a partnership of three companies, ALCO built the chassis and running gear, General Electric the generator, motors and controls, and Ingersoll Rand...	1925–1928	7	B-B	Ingersoll-Rand 10 × 12 (×2)	300 hp × 2
New York Central 1525	1928	1	B-B	Ingersoll-Rand 10 by 12 in (254 by 304.8 mm)/batteries Battery (electricity) An electrical battery is one or more electrochemical cells that convert stored chemical energy into electrical energy. Since the invention of the first battery in 1800 by Alessandro Volta and especially since the technically improved Daniell cell in 1836, batteries have become a common power... /3rd rail	300 hp
66-ton ALCO boxcab The ALCO boxcabs were diesel-electric switcher locomotives, otherwise known as AGEIR boxcabs as a contraction of the names of the builders. Produced by a partnership of three companies, ALCO built the chassis and running gear, General Electric the generator, motors and controls, and Ingersoll Rand...	1931	1	B-B	Macintosh and Seymour 9½ x 10½	300 hp

Switchers

Model	Specification	Build date	Total 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...	ALCO 300 ALCO 300 The ALCO 300 was an early diesel-electric switcher locomotive built by the American Locomotive Company of Schenectady, New York between 1931 and 1938....	—	1931–1938	9	B-B	M&S 6-330	300 hp
ALCO 600 ALCO HH series The ALCO HH series were an early series of switcher diesel-electric locomotives built by the American Locomotive Company of Schenectady, New York between 1931 and 1940, when they were replaced by the S series; the S-1 and S-2...	—	1931	1	B-B	6-531	600 hp
HH600 ALCO HH series The ALCO HH series were an early series of switcher diesel-electric locomotives built by the American Locomotive Company of Schenectady, New York between 1931 and 1940, when they were replaced by the S series; the S-1 and S-2...	—	1931–1939	76	B-B	6-531	600 hp
HH900 ALCO HH series The ALCO HH series were an early series of switcher diesel-electric locomotives built by the American Locomotive Company of Schenectady, New York between 1931 and 1940, when they were replaced by the S series; the S-1 and S-2...	—	1937–1939	21	B-B	6-531T	900 hp
HH660 ALCO HH series The ALCO HH series were an early series of switcher diesel-electric locomotives built by the American Locomotive Company of Schenectady, New York between 1931 and 1940, when they were replaced by the S series; the S-1 and S-2...	—	1939–40	43	B-B	6-538	660 hp
HH1000 ALCO HH series The ALCO HH series were an early series of switcher diesel-electric locomotives built by the American Locomotive Company of Schenectady, New York between 1931 and 1940, when they were replaced by the S series; the S-1 and S-2...	—	1939–1940	34	B-B	6-538T	1000 hp
S-1	E-1530	1940–1950	546	B-B	6-539	660 hp
S-2	E-1540	1940–1950	1465	B-B	6-539T	1000 hp
S-3	E-1530A	1950–1953	137	B-B	6-539	660 hp
S-4	E-1540A	1949–1957	651	B-B	6-539T	1000 hp
S-5	DL420 ALCO DL420 The ALCO DL420 was the prototype ALCO S-5 switcher diesel-electric locomotive.It was built in August, 1951 using an early six cylinder 251 engine rated at and RS-3 subassemblies in its construction. It rode on two-axle trucks, having a B-B wheel arrangement, and was the first ALCO switcher with a...	1951	1	B-B	6-251	800 hp
S-5 ALCO S-5 The Alco S-5 was a diesel-electric locomotive of the switcher type rated at , that rode on two-axle trucks, having a B-B wheel arrangement....	DL-421	1954	7	B-B	6-251A	800 hp
S-6 ALCO S-6 The Alco S-6 was a diesel-electric locomotive of the switcher type constructed by ALCO of Schenectady, New York; a total of 126 locomotives were built between May 1955 and December 1960. The S-6 was a development of the earlier S-5; instead of the 800 hp ALCO 251 engine on the previous...	DL-430 (1st)	1955–1960	126	B-B	6-251B	900 hp
SB-8/SSB-9 ALCO SB-8/SSB-9 The Alco SB-8/SSB-9 was a diesel-electric locomotive of the switcher type constructed as a cow-calf set by ALCO of Schenectady, New York. These were based on the ALCO S-6, and produced exclusively for Oliver Iron Mining, who bought two sets. The 'cow' being the model SB-8, and the 'calf' beingthe...	DL-431/DL-461	1956	2 sets	B-B+B-B	6-251B × 2	900 hp × 2
T-6 ALCO T-6 The Alco T6 was a diesel-electric locomotive of the switcher type rated at , that rode on two-axle trucks, having a B-B wheel arrangement....	DL-440	1958–1969	57	B-B	6-251B	1000 hp

Cab units

Model	Specification	Build date	Total 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...	Rebel power cars Rebel (train) The Gulf, Mobile and Northern Railroad Rebels were lightweight, streamlined Diesel-electric trains built by American Car and Foundry. The first two trains, purchased in 1935, provided service between New Orleans, Louisiana and Jackson, Tennessee. The third train, purchased in 1937, allowed...	—	1935, 1937	3	2-B	6-531	600 hp
—	DL-103b	1939	1	A1A-A1A	6-538T × 2	1000 hp × 2
—	DL-105	1940	3	A1A-A1A	6-539T × 2	1000 hp × 2
—	DL-107	1940–1941	8	A1A-A1A	6-539T × 2	1000 hp × 2
—	DL-108	1941	3	A1A-A1A	6-539T × 2	1000 hp × 2
—	DL-109 ALCO DL-109 The ALCO DL-109 is one of six models of A1A-A1A diesel locomotives built to haul passenger trains by the American Locomotive Company between December, 1939 and April, 1945...	1941–1945	62	A1A-A1A	6-539T × 2	1000 hp × 2
—	DL-110	1942	1	A1A-A1A	6-539T × 2	1000 hp × 2
—	DL-202	1945	2	B-B	12-241	1500 hp
—	DL-203	1945	1	B-B	12-241	1500 hp
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	1946–1950	396	B-B	12-244	1500 hp
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-208C	1950	21	B-B	12-244	1600 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	1946–1950	213	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-209C	1950	16	B-B	12-244	1600 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	1950–1956	308	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	1950–1951	7	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	1950–1956	181	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	1950–1956	3	B-B	12-244	1600 hp
PA-1 ALCO PA ALCO PA refers to a family of A1A-A1A diesel locomotives built to haul passenger trains that were built in Schenectady, New York in the United States by a partnership of the American Locomotive Company and General Electric between June, 1946 and December, 1953...	DL-304, DL-304A, DL-304B	1946–1949	169	A1A-A1A	16-244	2000 hp
PB-1 ALCO PA ALCO PA refers to a family of A1A-A1A diesel locomotives built to haul passenger trains that were built in Schenectady, New York in the United States by a partnership of the American Locomotive Company and General Electric between June, 1946 and December, 1953...	DL-305, DL-305A, DL-305B	1946–1949	39	A1A-A1A	16-244	2000 hp
PA-2 ALCO PA ALCO PA refers to a family of A1A-A1A diesel locomotives built to haul passenger trains that were built in Schenectady, New York in the United States by a partnership of the American Locomotive Company and General Electric between June, 1946 and December, 1953...	DL-304C, DL-304D	1950–1953	81	A1A-A1A	16-244	2250 hp
PB-2 ALCO PA ALCO PA refers to a family of A1A-A1A diesel locomotives built to haul passenger trains that were built in Schenectady, New York in the United States by a partnership of the American Locomotive Company and General Electric between June, 1946 and December, 1953...	DL-305, DL-305D	1950–1953	8	A1A-A1A	16-244	2250 hp

Four-axle road switchers

Model	Specification	Build date	Total 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...	E-1641A	1941–1960	469	B-B	6-539T	1000 hp
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...	E-1661, E-1661A, E-1661B	1946–1950	347	B-B	12-244	1500 hp
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...	E-1661C	1949–1950	31	B-B	12-244	1600 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...	E-1662, E-1662A, E-1662B	1950–1956	1320	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	1956–1958	426	B-B	12-251	1800 hp
RS-27 ALCO RS-27 The ALCO RS-27 is a diesel-electric locomotive built by ALCO between December 1959 and October 1962. Only 27 examples were manufactured. With ALCO's introduction of the Century Series line, the C-424 replaced the RS-27 in the builder's catalog...	DL-640	1959–1963	27	B-B	16-251	2400 hp
RS-32 ALCO RS-32 The ALCO RS-32 is a locomotive of which 35 were produced by ALCO between June 1961 and June 1962 for two customers: the New York Central Railroad and the Southern Pacific Company....	DL-721	1961–1963	35	B-B	12-251	2000 hp
RS-36 ALCO RS-36 The ALCO RS-36 is a diesel-electric locomotive of which 40 were produced by ALCO between February 1962 and August 1963 for seven railroads.-Original Owners:-External links:* Sarberenyi, Robert. ....	DL-701XAP	1960–1963	41	B-B	12-251	1800 hp

Six-axle road switchers

Model	Specification	Build date	Total 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-1 ALCO RSC-1 The ALCO RSC-1 was a diesel-electric locomotive of the road switcher type rated at , that rode on three-axle trucks, having an A1A-A1A wheel arrangement....		1946	4	A1A-A1A	6-539T	1000 hp
RSD-1 ALCO RSD-1 The ALCO RSD-1 was a diesel-electric locomotive built by American Locomotive Company . This model was a road switcher type rated at and rode on three-axle trucks, having a C-C wheel arrangement...	E-1641	1946	6	C-C	6-539T	1000 hp
RSD-1 ALCO RSD-1 The ALCO RSD-1 was a diesel-electric locomotive built by American Locomotive Company . This model was a road switcher type rated at and rode on three-axle trucks, having a C-C wheel arrangement...	E-1645	1942	44	C-C	6-539T	1000 hp
RSD-1 ALCO RSD-1 The ALCO RSD-1 was a diesel-electric locomotive built by American Locomotive Company . This model was a road switcher type rated at and rode on three-axle trucks, having a C-C wheel arrangement...	E-1646	1944–1945	100	C-C	6-539T	1000 hp
RSC-2 ALCO RSC-2 The ALCO RSC-2 was a diesel-electric locomotive of the road switcher type that rode on three-axle trucks, having an A1A-A1A wheel arrangement....	E-1661, E-1661A, E-1661B	1946–1950	81	A1A-A1A	12-244	1500 hp
RSC-2 ALCO RSC-2 The ALCO RSC-2 was a diesel-electric locomotive of the road switcher type that rode on three-axle trucks, having an A1A-A1A wheel arrangement....	E-1661C	1950	5	A1A-A1A	12-244	1600 hp
RSC-3 ALCO RSC-3 The ALCO RSC-3 was a diesel-electric locomotive of the road switcher type rated at , that rode on three-axle trucks, having an A1A-A1A wheel arrangement....	E-1662, E-1662A, E-1662B	1950–1955	99	A1A-A1A	12-244	1600 hp
RSD-4 ALCO RSD-4 The ALCO RSD-4 was a diesel-electric locomotive of the road switcher type rated at , that rode on three-axle trucks, having an C-C wheel arrangement....	E-1663, E-1663A, E-1663B	1951–1952	36	C-C	12-244	1600 hp
RSD-5 ALCO RSD-5 The ALCO RSD-5 was a diesel-electric locomotive of the road switcher type rated at , that rode on a pair of three-axle trucks, having a C-C wheel arrangement....	E-1664, E-1664A, E-1664B	1952–1955	204	C-C	12-244	1600 hp
RSD-7 ALCO RSD-7 The ALCO RSD-7 was a diesel-electric locomotive of the road switcher type built by ALCO at Schenectady, New York between January 1954 and April 1956. Two versions were built, with the same RSD-7 model designation but different specifications and power ratings, although both used the ALCO 244 engine...	DL-600	1954	2	C-C	16-244	2250 hp
RSD-7 ALCO RSD-7 The ALCO RSD-7 was a diesel-electric locomotive of the road switcher type built by ALCO at Schenectady, New York between January 1954 and April 1956. Two versions were built, with the same RSD-7 model designation but different specifications and power ratings, although both used the ALCO 244 engine...	DL-600A	1955–1956	27	C-C	16-244	2400 hp
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	171	C-C	12-251B	1800 hp
RSD-15 ALCO RSD-15 The ALCO RSD-15 was a diesel-electric locomotive of the road switcher type built by ALCO of Schenectady, New York between August 1956 and June 1960, during which time 75 locomotives were produced...	DL-600B	1956–1960	75	C-C	16-251B	2400 hp

Century series

ALCO announced its "Century Series

ALCO Century Series locomotives

The ALCO Century Series locomotives were a line of locomotives produced by Alco,the Montreal Locomotive Works, and A. E. Goodwin Ltd under license in Australia. Production of the Century Series began in 1963 and ended in 1972. MLW and Goodwin continued to build Century locomotives after Alco...

" of diesel locomotives in 1963 as a leap forward in power and reliability, an attempt to compete more aggressively with GM-EMD and GE

GE Transportation Systems

GE Transportation, formerly known as GE Rail, is a division of General Electric. The organization manufactures equipment for the railroad, marine, mining, drilling and energy generation industries. It is based in Erie, Pennsylvania. Locomotives are assembled at the Erie plant, while engine...

 in the marketplace.

Model	Specification	Build date	Total 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...	C415 ALCO Century 415 The ALCO Century 415 was a diesel locomotive of B-B wheel arrangement produced by the American Locomotive Company as part of their Century Series of locomotives....	DL-415	1966–1968	26	B-B	8-251F	1500 hp
C420 ALCO Century 420 The ALCO Century 420 was a four-axle, 2000 horsepower diesel locomotive of the road switcher type. 131 were built between June 1963 and August 1968. Cataloged as a part of ALCO's "Century" line of locomotives, the C420 was intended to replace the earlier RS-32 model.- Original Owners :Since...	DL-721A	1963–1968	131	B-B	12-251C	2000 hp
C424 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	190	B-B	16-251B	2400 hp
C425 ALCO Century 425 The ALCO Century 425 was a four-axle, 2500 horsepower diesel locomotive of the road switcher type. 91 were built between October 1964 and December 1966....	DL-640B	1964–1966	91	B-B	16-251C	2500 hp
C430 ALCO Century 430 The ALCO Century 430 was a four-axle, 3000 horsepower diesel locomotive of the road switcher type. 16 were built between July 1966 and February 1968. Cataloged as a part of ALCO's 'Century' line of locomotives, the C430 was an upgraded version of the C425 model. Since 1992, 5 C430s have remained...	DL-430 (2nd)	1967–1968	16	B-B	16-251E	3000 hp
C628 ALCO Century 628 The ALCO Century 628 was a six-axle, 2,750 horsepower diesel locomotive. 186 were built between December 1963 and December 1968. Cataloged as part of ALCO's 'Century' line of locomotives, the C628 was intended to replace the earlier RSD-15 model....	DL-628	1963–1968	186	C-C	16-251C	2750 hp
C630 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...	DL-630	1965–1968	133	C-C	16-251E	3000 hp
C636 ALCO Century 636 The ALCO Century 636 was the most powerful single-engine diesel locomotive constructed by ALCO. The locomotive had a C-C wheel arrangement and . The locomotive rested on a pair of trucks of all-new design, known as the Hi-Ad, standing for 'high adhesion'. Visually, it is similar to the Century 630,...	DL-636	1967–1968	34	C-C	16-251E	3600 hp
C855 ALCO Century 855 The ALCO Century 855 was ALCO's most powerful diesel-electric locomotive and, at the time, the most powerful diesel locomotive ever built. Powered by a pair of 16 cylinder ALCO 251C diesel engines, and rated at , it was ALCO's answer to the EMD DD35 and the GE U50. The C855 rode on four two-axle...	DL-855	1964	2	B-B+B-B	Dual 16-251	5500 hp
C855B ALCO Century 855 The ALCO Century 855 was ALCO's most powerful diesel-electric locomotive and, at the time, the most powerful diesel locomotive ever built. Powered by a pair of 16 cylinder ALCO 251C diesel engines, and rated at , it was ALCO's answer to the EMD DD35 and the GE U50. The C855 rode on four two-axle...	DL-856	1964	1	B-B+B-B	Dual 16-251	5500 hp

Diesel-hydraulic locomotives

Model	Specification	Build date	Total 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...	DH643 ALCO DH643 The ALCO C-643DH, also known as the Century 643DH, was a twin-engine diesel-hydraulic locomotive, the first diesel-hydraulic road unit built in the United States. It had a C-C wheel arrangement and generated . Only three were built, all for Southern Pacific Railroad in 1964...	DH-400	1964	3	C-C	Dual 12-251C	4300 hp

Military locomotives

Model	Specification	Build date	Total 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...	MRS-1 ALCO MRS-1 The ALCO MRS-1 is a type of diesel-electric locomotive built by the American Locomotive Company for the United States Army Transportation Corps...  or RSX-4	E-1670	1953–1954	83	C-C	12-244D	1600 hp

Export locomotives

Model	Specification	Build date	Total 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...	DL500B ALCO DL500B The DL500B is an 1800 hp ALCo locomotive based on one of their "World Series" designs. The two Australian examples of this type of locomotive are the New South Wales Government Railways 44 class No.s 4401 - 44100 and the South Australian Railways 930 class.The NSWGR 44 class ALCo was used...	1955–1962	58	C-C	12-251 12-251B	1600 hp 1800 hp
	DL500B1			-
SEK Hellenic State Railways Hellenic State Railways or SEK was a Greek public sector entity which was established in 1920 and operated most Greek railway lines until 1970.-History:...  class A-301	DL500C	1962	10	C-C	12-251B	1800 hp
FD-7	DL500CI			C-C	12-251B	1800 hp
	DL500CP			-
FD-9	DL500D			C-C	12-251b	1800 hp
FP-9	DL500G			C-C	12-251B	1800 hp
	DL500S			-
	DL503S			-
	DL510			-
	DL515			-
	DL515I			-
	DL521			-
	DL522G			-
	DL530			-
RSD-8 (NSW 48 New South Wales 48 class locomotive The 48 Class are a diesel electric locomotive ordered by the New South Wales Government Railways from 1959. Once the most ubiquitous locomotive in New South Wales , the locomotives were built by A. E. Goodwin, based on Alco frames and prime movers, using General Electric electrical equipment... )	DL531 ALCO DL531 The ALCO DL531 is a model of railroad locomotive.More than 200 ALCO DL531's were built by the A. E. Goodwin Company under license. They were used in Australia. The DL531's operated on all three gauges used on the main lines of South Australia.-See also:...			C-C	6-251D	1060 hp
RSD-8	DL531A	1958–1970	317	C-C	6-251D	1060 hp
	DL531B			-
	DL531G			-
RS-8	DL532	1959–1969	20	B-B	6-251D	1035 hp
SEK Hellenic State Railways Hellenic State Railways or SEK was a Greek public sector entity which was established in 1920 and operated most Greek railway lines until 1970.-History:...  class A-201	DL532B	1961–1962		B-B	6-251D	1035 hp
	DL533			-
	DL534			-
RSD-39 ALCO RSD-39 The ALCO RSD-39 was a diesel-electric locomotive built by ALCO and Euskalduna between 1965—1967 for RENFE, forming part of Renfe class 313.- Original buyers :...	DL535	1969–1978	186	C-C	6*251D	1200 hp
Indian Railways Indian Railways Indian Railways , abbreviated as IR , is a departmental undertaking of Government of India, which owns and operates most of India's rail transport. It is overseen by the Ministry of Railways of the Government of India....  YDM4	DL535A	1961–1964		C-C		1300 hp
ENAFER Empresa nacional de ferrocarriles del Peru The Empresa Nacional de Ferrocarriles del Perú is a public company which ensures the management and the commercial use of the railway network of Peru....  RSD-35	DL535B	1974	5	C-C		1200 hp
	DL535C			-
DL535E	DL535E	1969 completed by MLW	7	C-C	6-251D
	DL535M			-
	DL535S			A1A-A1A
	DL535T			-
RSD-36	DL536	1960–1964	39	C-C	6-251D	1200 hp
	DL536B			-
RSD-37	DL537	1965–1978	40	C-C	6-251D	1200 hp
SEK Hellenic State Railways Hellenic State Railways or SEK was a Greek public sector entity which was established in 1920 and operated most Greek railway lines until 1970.-History:...  class A-9101	DL537	1965		C-C	6-251D	993 kW
	DL539			-
RSD-16	DL540	1957–1959	130	C-C	12-251B	1800 hp
RSD-16	DL541	1960–1966	39	C-C	12-251B	18300 hp
	DL542			-
SEK Hellenic State Railways Hellenic State Railways or SEK was a Greek public sector entity which was established in 1920 and operated most Greek railway lines until 1970.-History:...  class A-321	DL543	1961–1970	140	C-C	12-251C	1470 kW
	DL543A			-
	DL543SPAP			-
	DL544			-
	DL550			-
	DL550K			-
	DL551			-
	DL551B			-
DL-560	DL560	1962–1967	287	C-C	12-251B	2600 hp
	DL560A			-
	DL560B			-
Indian Railways Indian Railways Indian Railways , abbreviated as IR , is a departmental undertaking of Government of India, which owns and operates most of India's rail transport. It is overseen by the Ministry of Railways of the Government of India....  WDM-2/ALCO RSD-29	DL560C ALCO DL560C The ALCO DL560C locomotive was built by the American Locomotive Company for export to India.In the early 1960s Indian Railways needed a reliable diesel workhorse to gradually replace its steam locomotive fleet. Equal numbers of ALCO's DL560C and EMD's SD24 were chosen for trials. More locomotives...			-
	DL560D			-

Montreal Locomotive Works Export locomotives

Model	Specification	Build date	Total 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...	ALCOWorld The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL. Silverdale Interactive © 2024. All Rights Reserved.   x OK