MLW RS-23

OSR #505 in 2009.

Type and origin
Power type	Diesel-electric
Builder	Montreal Locomotive Works
Model	RS-23
Build date	August 1959 to September 1960
Total produced	57

Specifications
AAR wheel arr.	B-B
UIC class	Bo'Bo'
Gauge	4 ft 8 ¹⁄₂ in (1,435 mm)
Prime mover	ALCO 251D
RPM range	1025 / 325
Engine type	Four-stroke diesel
Generator	DC generator
Traction motors	4 x GE 752 DC traction motors
Transmission	Electric
Loco brake	Air, optional dynamic
Train brakes	Air

Performance figures
Power output	1,000 hp (750 kW)

Career
Locale	Canada and United States

The MLW RS-23 was a 1,000 hp (746 kW) 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.

Original owners

Railway	Quantity	Road number
Canadian Pacific Railway	34	8013–8046
Sydney and Louisburg Railway	3	200–202
Texas Gulf Sulphur Company	3	3457-01 - 3457-03
Totals	40

References

Diesel and gas turbine locomotives built by MLW

Early switchers	S-2 S-3 S-4 S-7 S-10 S-11 S-12 S-13

Cab units	FA-1 FB-1 FA-2 FB-2 FPA-2 FPB-2 FPA-4 FPB-4

Roadswitchers	RS-1 RS-2 RS-3 RSC-3 RS-10 RS-11 RSD-12 RS-13 RSC-13 RSC-14 RSD-17 RS-18 RS-23 RSC-24 RSD-35

Century series	C-415 C-424 C-630M

M series	M-420 M-420B M-420R M-420TR M-420TR-2 M-424 M-630 M-636 M-640

Other designs	DL500S DL535E M420 TURBO LRC-2 LRC-3 E-1800

Bombardier designs	HR-412 HR-616

(See also: List of MLW diesel locomotives)

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MLW RS-23

Original owners

See also

References