List_of_ALCO_diesel_locomotives

List of ALCO diesel locomotive classes

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The American Locomotive Company (ALCO), based in Schenectady, New York, United States produced a wide range of diesel-electric locomotives from its opening in 1901 until it ceased manufacture in 1969. This is a list of ALCO locomotive classes.

For individually notable locomotives, please see List of locomotives. There are numerous individual ALCO locomotives that are preserved in museums or heritage railways. In particular please see sublists List of preserved locomotives in the United States and List of preserved locomotives in Canada.

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This article uses material from the Wikipedia article List_of_ALCO_diesel_locomotives, and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.

Model	Build date	Total produced	Wheel arrangement	Prime mover	Power output
60-ton	1924–1928	26	B-B	Ingersoll-Rand 10 in × 12 in (254 mm × 305 mm)	300 hp (220 kW)
100-ton	1925–1928	7	B-B	Ingersoll-Rand 10 × 12 (×2)	300 hp (220 kW) × 2
New York Central 1525	1928	1	B-B	Ingersoll-Rand 10 in × 12 in (254 mm × 305 mm)/batteries/3rd rail	300 hp (220 kW)
66-ton	1931	1	B-B	McIntosh & Seymour 9½ x 10½	300 hp (220 kW)

Model	Specification	Build date	Total produced	Wheel arrangement	Prime mover	Power output
ALCO 300	—	1931–1938	11	B-B	M&S 6-330	300 hp (220 kW)
ALCO 600	—	1931	1	B-B	6-531	600 hp (450 kW)
HH600	—	1931–1939	78	B-B	6-531	600 hp (450 kW)
HH900	—	1937–1939	21	B-B	6-531T	900 hp (670 kW)
HH660	—	1939–40	43	B-B	6-538	660 hp (490 kW)
HH1000	—	1939–1940	34	B-B	6-538T	1,000 hp (750 kW)
S-1	E-1530	1940–1950	543	B-B	6-539	660 hp (490 kW)
S-2	E-1540	1940–1950	1462	B-B	6-539T	1,000 hp (750 kW)
S-3	E-1530A	1950–1953	137	B-B	6-539	660 hp (490 kW)
S-4	E-1540A	1949–1957	651	B-B	6-539T	1,000 hp (750 kW)
S-5	DL420	1951	1	B-B	6-251	800 hp (600 kW)
S-5	DL-421	1954	7	B-B	6-251A	800 hp (600 kW)
S-6	DL-430 (1st)	1955–1960	126	B-B	6-251B	900 hp (670 kW)
SB-8/SSB-9	DL-431/DL-461	1956	2 sets	B-B+B-B	6-251B × 2	900 hp (670 kW) × 2
T-6	DL-440	1958–1969	57	B-B	6-251B	1,000 hp (750 kW)

Model	Specification	Build date	Total produced	Wheel arrangement	Prime mover	Power output
Rebel power cars	—	1935, 1937	3	2-B	6-531	600 hp (0.45 MW)
—	DL-103b	1939	1	A1A-A1A	6-538T × 2	1,000 hp (0.75 MW) × 2
—	DL-105	1940	3	A1A-A1A	6-539T × 2	1,000 hp (0.75 MW) × 2
—	DL-107	1940–1941	8	A1A-A1A	6-539T × 2	1,000 hp (0.75 MW) × 2
—	DL-108	1941	3	A1A-A1A	6-539T × 2	1,000 hp (0.75 MW) × 2
—	DL-109	1941–1945	62	A1A-A1A	6-539T × 2	1,000 hp (0.75 MW) × 2
—	DL-110	1942	1	A1A-A1A	6-539T × 2	1,000 hp (0.75 MW) × 2
—	DL-202	1945	2	B-B	12-241	1,500 hp (1.12 MW)
—	DL-203	1945	1	B-B	12-241	1,500 hp (1.12 MW)
FA-1	DL-204, DL206, DL-208, DL-208A, DL-208B	1946–1950	396	B-B	12-244A, B	1,500 hp (1.12 MW)
FA-1	DL-208C	1950	21	B-B	12-244C	1,600 hp (1.19 MW)
FB-1	DL205, DL-209, DL-209A, DL-209B	1946–1950	213	B-B	12-244A, B	1,500 hp (1.12 MW)
FB-1	DL-209C	1950	16	B-B	12-244C	1,600 hp (1.19 MW)
FA-2	DL-212, DL-212A	1950–1956	308	B-B	12-244D, G	1,600 hp (1.19 MW)
FPA-2	DL-212, DL-212A	1950–1951	54	B-B	12-244D	1,600 hp (1.19 MW)
FB-2	DL-213, DL-213A	1950–1956	181	B-B	12-244D, G	1,600 hp (1.19 MW)
FPB-2	DL-213, DL-213A	1950–1956	25	B-B	12-244D	1,600 hp (1.19 MW)
PA-1	DL-304, DL-304A, DL-304B	1946–1949	169	A1A-A1A	16-244	2,000 hp (1.49 MW)
PB-1	DL-305, DL-305A, DL-305B	1946–1949	39	A1A-A1A	16-244	2,000 hp (1.49 MW)
PA-2	DL-304C, DL-304D	1950–1953	81	A1A-A1A	16-244	2,250 hp (1.68 MW)
PB-2	DL-305, DL-305D	1950–1953	8	A1A-A1A	16-244	2,250 hp (1.68 MW)

Model	Specification	Build date	Total produced	Wheel arrangement	Prime mover	Power output
RS-1	E-1641A	1941–1960	469	B-B	6-244T, 6-539T	1,000 hp (0.75 MW)
RS-2	E-1661, E-1661A, E-1661B	1946–1950	338	B-B	12-244	1,500 hp (1.12 MW)
RS-2	E-1661C	1950	30	B-B	12-244	1,600 hp (1.19 MW)
RS-3	E-1662, E-1662A, E-1662B	1950–1956	1272	B-B	12-244	1,600 hp (1.19 MW)
RS-11	DL-701	1956–1961	355	B-B	12-251	1,800 hp (1.34 MW)
RS-27	DL-640	1959–1962	27	B-B	16-251	2,400 hp (1.79 MW)
RS-32	DL-721	1961–1962	35	B-B	12-251	2,000 hp (1.49 MW)
RS-36	DL-701XAP	1962–1963	40	B-B	12-251	1,800 hp (1.34 MW)

Model	Specification	Build date	Total produced	Wheel arrangement	Prime mover	Power output
RSC-1		1946	4	A1A-A1A	6-539T	1,000 hp (0.75 MW)
RSD-1	E-1641	1946	6	C-C	6-244T, 6-539T	1,000 hp (0.75 MW)
RSD-1	E-1645	1942-1943	44	C-C	6-244T, 6-539T	1,000 hp (0.75 MW)
RSD-1	E-1646	1944–1945	100	C-C	6-244T, 6-539T	1,000 hp (0.75 MW)
RSC-2	E-1661, E-1661A, E-1661B	1946–1950	86	A1A-A1A	12-244	1,500 hp (1.12 MW)
RSC-2	E-1661C	1950	5	A1A-A1A	12-244	1,600 hp (1.19 MW)
RSC-3	E-1662, E-1662A, E-1662B	1950–1955	99	A1A-A1A	12-244	1,600 hp (1.19 MW)
RSD-4	E-1663, E-1663A, E-1663B	1951–1952	36	C-C	12-244	1,600 hp (1.19 MW)
RSD-5	E-1664, E-1664A, E-1664B	1952–1955	204	C-C	12-244	1,600 hp (1.19 MW)
RSD-7	DL-600	1954	2	C-C	16-244	2,250 hp (1.68 MW)
RSD-7	DL-600A	1955–1956	27	C-C	16-244	2,400 hp (1.79 MW)
RSD-12	DL-702	1956–1963	171	C-C	12-251B	1,800 hp (1.34 MW)
RSD-15	DL-600B	1956–1960	75	C-C	16-251B	2,400 hp (1.79 MW)

List_of_ALCO_diesel_locomotives

List of ALCO diesel locomotive classes

Boxcab locomotives

Switchers

Cab units

Four-axle road switchers

Six-axle road switchers

Century series

Diesel-hydraulic locomotives

Military locomotives

Locomotives export and not exported

Montreal Locomotive Works Export locomotives

References

External links

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Model	Specification	Build date	Total produced	Wheel arrangement	Prime mover	Power output
C415	DL-415	1966–1968	26	B-B	8-251F	1,500 hp (1.12 MW)
C420	DL-721A	1963–1968	131	B-B	12-251C	2,000 hp (1.49 MW)
C424	DL-640A	1963–1967	98	B-B	16-251B	2,400 hp (1.79 MW)
C425	DL-640B	1964–1966	91	B-B	16-251C	2,500 hp (1.86 MW)
C430	DL-430 (2nd)	1967–1968	16	B-B	16-251E	3,000 hp (2.24 MW)
C628	DL-628	1963–1968	186	C-C	16-251C	2,750 hp (2.05 MW)
C630	DL-630	1965–1968	133	C-C	16-251E	3,000 hp (2.24 MW)
C636	DL-636	1967–1968	63	C-C	16-251E	3,600 hp (2.68 MW)
C855	DL-855	1964	2	B-B+B-B	Dual 16-251	5,500 hp (4.10 MW)
C855B	DL-856	1964	1	B-B+B-B	Dual 16-251	5,500 hp (4.10 MW)

Model	Specification	Build date	Total produced	Wheel arrangement	Main engine	Power output
FCA-3	DL212	1951-1953	23	A1A-A1A	12-244D	1,600 hp (1.19 MW)
FD-3	DL500	1953	3	C-C	12-244D	1,600 hp (1.19 MW)
FD-3	DL500A	1955	16	C-C	12-244D	1,600 hp (1.19 MW)
FPD-5	DL500A	1955–1956	12	C-C	12-244	1,600 hp (1.19 MW)
Renfe Class 316	DL500A	1957	25	C-C
FD-6	DL500B	1958–1968	141	C-C	12-251 12-251B	1,600 hp (1.19 MW) 1,800 hp (1.34 MW)
	DL500B1			-
SEK class A-301	DL500C			C-C	12-251B	1,800 hp (1.34 MW)
FD-7	DL500CI	1957-1958	99	C-C	12-251B	1,800 hp (1.34 MW)
	DL500CP	1957-1959	59	-
FD-9	DL500D			C-C	12-251b	1,800 hp (1.34 MW)
FP-9	DL500G	1965–1973	131	C-C	12-251B	1,800 hp (1.34 MW)
FPD 9	DL500S	1964-1966	23	C-C	ALCO 251-C	2,180 hp (1.63 MW)
	DL503S			-
	DL510			-
	DL515			-
	DL515I			-
	DL521			-
	DL522G			-
	DL530			-
RSD-8 (NSW 48)	DL531	1959–1970	212	C-C	6-251D	1,060 hp (790 kW)
RSD-8	DL531A	1958–1959	103	C-C	6-251D	1,060 hp (790 kW)
	DL531B			-
	DL531G			-
RS-8	DL532	1966–1974	74	B-B	6-251D	1,035 hp (770 kW)
SEK class A-201	DL532B	1961–1962	10	B-B	6-251D	1,035 hp (770 kW)
	DL533			-
	DL534			-
RSD-35	DL535	1963	40	C-C	6-251D	1,350 hp (1,010 kW)
RSD-35	DL535	1963	70(MLW)	C-C	6-251D	1,350 hp (1,010 kW)
RSD-39	DL535-S/DL535-T	1965–1967	736	C-C	ALCO 251-D	1,200 hp (890 kW)
YDM-4 RSD-30	DL535A	1961–1969	100 (#6020-#6049 and #6105-#6129)	C-C	6-251D	1,300 hp (970 kW)
ENAFER RSD-35	DL535B	1963, 1969, 1974	26	C-C		1,200 hp (890 kW)
	DL535C			-
DL535E	DL535E	1969 completed by MLW	10	C-C	6-251D	1,200 hp (890 kW)
	DL535M	1963	115	-
	DL535S			A1A-A1A
	DL535T			-
RSD-36	DL536	1978	20	C-C	6-251D	1,200 hp (890 kW)
Tunisian Railways 040-DK	DL536B			-
RSD-37	DL537	1965	12	C-C	6-251D	1,200 hp (890 kW)
SEK class A-9101	DL537	1965		C-C	6-251D	993 kilowatts (1,332 hp)
	DL539			-
RSD-16	DL540	1957–1959	130	C-C	ALCO 12-251B	1,950 hp (1,450 kW)
RSD-16	DL541	1960–1968	77	C-C	12-251B	1,830 hp (1,360 kW)
	DL542			-
SEK class A-321	DL543	1961–1970	117	C-C	12-251C	1,470 kilowatts (1,971 hp)
	DL543A			-
	DL543SPAP			-
	DL544			-
	DL550 DL550K	1964	1	-
	DL551			-
	DL551B			-
DL-560	DL560 DL560A	1963–1964	12	C-C	12-251B	2,600 hp (1,940 kW)
	DL560B	1966	3	-
WDM-2/ALCO RSD-29	DL560C	1962-1997	2962, 18040 – 18079 (1962), 18112 – 18232 (1962 – 1963), 18245 – 18298 (1964 – 1965), 18337 – 18361 (1965)	C-C	16-251B	2,600 hp (1,940 kW)
	DL560D	1974	15	-

Model	Specification	Build date	Total produced	Wheel arrangement	Prime mover	Power output	Image
	MX615	1972–1979	74	C-C-1	MLW 8-251A	1,200 hp (890 kW)
	MX620	1973–1980	145	C-C	MLW 12-251C	2,000 hp (1,490 kW)
	MX624	1975–1983	69	C-C	MLW 12-251E	2,400 hp (1,790 kW)
	MX626	1972–1982	32	C-C	MLW 12-251E	2,400 hp (1,790 kW)
OSE class A-451	MX627	1972–1978	33	C-C	MLW 12-251C	2,750 hp (2,050 kW)
OSE class A-501	MX636	1974–1980	10	C-C	MLW 16-251E	3,600 hp (2,680 kW)
	MXS620	1973–1982	100	C-C	MLW 12-251E	2,000 hp (1,490 kW)	Double End Cab Units
	MXS624	1973–1983	33	C-C	MLW 16-251E	2,400 hp (1,790 kW)	Double End Cab Units
	MXS627	1978–1980	10	C-C	MLW 16-251C	2,750 hp (2,050 kW)	Double End Cab Units
	MXS630	1978–1982	33	C-C	MLW 16-251E	3,000 hp (2,240 kW)	Double End Cab Units