# List of MLW diesel locomotives

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)

| Model | Specification | Build date | Total produced | Wheel arrangement | Prime mover | Power output |
| 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-1800 | E-1800a | 1957 | 2 | B-2 | none | yard slug |
| 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)

| Model | Specification | Build date | Total produced | Wheel arrangement | Prime mover | Power output |
| 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) |
| 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)
### RS series (B-B)

| Model | Specification | Build date | Total produced | Wheel arrangement | Prime mover | Power output |
| 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)

| 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)

| 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, and 3 to US Gypsum |

## Later road switchers
### 4-axle units

| 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

| Model | Build date | Total produced | Wheel arrangement | Prime mover | Power output |
| M-627 | | | C-C | | |
| MX-627 (Greece) | 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 | 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 | 185 | 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) | 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

| 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)

| 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

| 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

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) | |