MLW M-636

Specifications
Specifications
Configuration:;
• AAR	C-C
• UIC	Co′Co′
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Trucks	Dofasco ZWT-3 Hi-Ad, ALCo Hi-Ad
Wheel diameter	40 in (1,000 mm)
Length	69 ft 10+1⁄2 in (21.30 m)
Width	10 ft (3.0 m)
Height	15 ft 3⁄4 in (4.59 m) (cab roof)
Fuel type	Diesel
Prime mover	Alco 16-251F
RPM range	300-1,100
Engine type	V16 diesel engine
Aspiration	Turbocharged
Alternator	GE GTA11
Traction motors	GE 752
Cylinders	16
Train brakes	26L

Type and origin
Type and origin
Power type	Diesel-electric
Builder	Montreal Locomotive Works, AE Goodwin, Auburn, NSW (licensee), Comeng, Granville, NSW/Bassendean, WA (licensee)
Model	M-636
Build date	September 1969 – February 1980
Total produced	185

MLW M-636
MLW M-636
	Mount Newman Mining 5497 at the Don Rhodes Mining and Transport Museum, Port Hedland, Western Australia in April 2012
Power type
Type and origin
Power type	Diesel-electric
Builder	Montreal Locomotive Works, AE Goodwin, Auburn, NSW (licensee), Comeng, Granville, NSW/Bassendean, WA (licensee)
Model	M-636
Build date	September 1969 – February 1980
Total produced	185
Configuration:;
Specifications
Configuration:;
• AAR	C-C
• UIC	Co′Co′
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Trucks	Dofasco ZWT-3 Hi-Ad, ALCo Hi-Ad
Wheel diameter	40 in (1,000 mm)
Length	69 ft 10+1⁄2 in (21.30 m)
Width	10 ft (3.0 m)
Height	15 ft 3⁄4 in (4.59 m) (cab roof)
Fuel type	Diesel
Prime mover	Alco 16-251F
RPM range	300-1,100
Engine type	V16 diesel engine
Aspiration	Turbocharged
Alternator	GE GTA11
Traction motors	GE 752
Cylinders	16
Train brakes	26L
Power output
Performance figures
Power output	3,600 hp (2,700 kW)

The M-636 is a six-axle, 3,600 hp diesel locomotive marketed as part of the Montreal Locomotive Works six-axle "M-Line" series of locomotives. It was an evolution of the ALCo C636, and it saw many sales to Canadian, Mexican and Australian customers. Today, there are a handful M-636s left in revenue service.

Original owners[edit]

Units built by Montreal Locomotive Works^[1]
Railroad	Quantity	Road numbers	Notes
Canadian National Railway	40	2300–2339	Units were ordered without dynamic brakes.
Canadian Pacific Railway	44	4700–4743
Quebec Cartier Mining	11	71-76, 81-85
Ferrocarril del Pacífico	16	651-666
Units built by AE Goodwin^[2]^[3]^[4]
Railroad	Quantity	Road numbers	Notes
Cliffs Robe River Iron Associates	7	9410–9416
Hamersley Iron	19	4030-4048
Mount Newman Mining	16	5469–5484	All were built with ALCo Hi-Ad trucks.
Units built by Commonwealth Engineering
Railroad	Quantity	Road numbers	Notes
Cliffs Robe River Iron Associates	3	9421–9423	9423 was the last M636 built in February 1980.
Hamersley Iron	8	4049-4056
Mount Newman Mining	21	5485–5505	5485-5495 were built with ALCo Hi-Ad trucks. 5496 and up were built with the standard Dofasco ZWT-3 Hi-Ad trucks.
Total	185

References[edit]

^ MLW M630/M636/M640 Production Roster The Diesel Shop
^ Cliffs Robe River Iron Associates ALCo and Rebuild Roster
^ Rio Tinto Locomotive Roster Pilbara Railway Pages
^ BHP Power Roster Pilbara Railway Pages

[thedieselshop.us-1] MLW M630/M636/M640 Production Roster The Diesel Shop

[pilbararailways.com.au-2] Cliffs Robe River Iron Associates ALCo and Rebuild Roster

[3] Rio Tinto Locomotive Roster Pilbara Railway Pages

[4] BHP Power Roster Pilbara Railway Pages

[1]

[2]

[3]

[4]

v t e 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)

Original owners[edit]

See also[edit]

References[edit]