| MLW RS-23 | |
| Powertype: | Diesel-electric |
| Builder: | Montreal Locomotive Works |
| Buildmodel: | RS-23 |
| Builddate: | August 1959 to September 1960 |
| Totalproduction: | 40 |
| Aarwheels: | B-B |
| Uicclass: | Bo'Bo' |
| Primemover: | Alco 251D |
| Rpmrange: | 1025 / 325 |
| Enginetype: | Four-stroke diesel |
| Generator: | DC generator |
| Tractionmotors: | 4 x GE 752 DC traction motors |
| Poweroutput: | 1000-1NaN-1 |
| Locobrakes: | Air, optional dynamic |
| Trainbrakes: | Air |
| Locale: | Canada and United States |
The MLW RS-23 was a 1000sigfig=3NaNsigfig=3 diesel-electric locomotive built by Montreal Locomotive Works between August 1959 and September 1960. Production totaled 40 locomotives.
The largest fleet of these locomotives was operated by Canadian Pacific Railway, which classed them DRS-10c in that company's locomotive classification system.
| Railway | Quantity | Road number | Notes |
|---|---|---|---|
| 34 | 8013–8046 | ||
| 3 | 200–202 | 200 & 202 to GWWD, same #'s. | |
| 3 | 3457-01 - 3457-03 | ||
| Totals | 40 | ||