Montreal Locomotive Works

(MLW)

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Production Roster - Alco (MLW) S-3 Switcher
Serial Numbers 79000 to 79999
Years Produced: 1954-1957
Number Produced: 163
Engine Type: 6 cylinder 539
Horse Power: 660
Here is a list of information that we have been able to find on all the MLW S-3's produced. If you have any information, corrections or pictures on any of these units, please forward them to the webmaster
# Serial Number Qty. Order MU Built Owner (s) Reporting Mark Road Number Class Item Location Photo Photo credit
55 79116 5   6-8/1952 Canadian Pacific CP 6513   Retired 2/1982 Brandon, MB., 1988 Carson Wiebe
  Canadian Museum       Static Display Brandon, Manitoba  
56 79117 5   6-8/1952 Canadian Pacific CP 6514   Retired 10/1979 Toronto, ON, 1972 Earl Minnis
57 79118 5   6-8/1952 Canadian Pacific CP 6515   Retired 6/1976 Oakville, ON., 1964 W. Linley
58 79119 5   6-8/1952 Canadian Pacific CP 6516   Retired 8/1974 Alyth, Calgary AB., 1972 Bruce Chapman
59 79120 5   6-8/1952 Canadian Pacific CP 6517   Retired 10/1984
Winnipeg, MB. 1983
 Glenn Courtney
60 79129 15   5-11/1953 Canadian National CN 8469 MS-7b Retired 1969

Sold

      
5/1969 Vancouver Wharves VW 9   Renumbered      
  Vancouver Wharves VW 26   Sold 9/09/1969 Peter Cox
1976 British Columbia Railway BCOL     for parts, scrapped, 1981      
61 79130 15   5-11/1953 Canadian National CN 8470 MS-7b Retired 1972   No Pictures of this unit  
62 79131 15   5-11/1953 Canadian National CN 8471 MS-7b Retired 1972   No Pictures of this unit  
63 79132 15   5-11/1953 Canadian National CN 8472 MS-7b Retired 1972

Sold

      
12/72 Vancouver Wharves VW 28     July 1987 Carson Wiebe
1988 West Coast Ry Assn         Squamish, BC    
64 79133 15   5-11/1953 Canadian National CN 8473 MS-7b Retired July, 1975 St. Catharines, Ontario 6/8/1975 Tim Vermande
65 79134 15   5-11/1953 Canadian National CN 8474 MS-7b Retired 1969   No Pictures of this unit  
66 79135 15   5-11/1953 Canadian National CN 8475 MS-7b Retired 1973 Fort Erie  
67 79136 15   5-11/1953 Canadian National CN 8476 MS-7b Retired 1973    
68 79137 15   5-11/1953 Canadian National CN 8477 MS-7b Retired 1963

Converted to Slug & Renumbered

      
1964 B1   Renumbered      
1964 300 MY-00a Renumbered    
1964 351 MY-00a Renumbered    
1990 266 GY-00m GMD Rebuild    
69 79138 15   5-11/1953 Canadian National CN 8478 MS-7b Retired 1972   No Pictures of this unit  
70 79139 15   5-11/1953 Canadian National CN 8479 MS-7b Retired 1964

Converted to Slug  & Renumbered

    
1964     B9   Renumbered      
1964     308 MY-00a Renumbered      
1978     167 MH-00a Renumbered      
1990     265 GY-00m GMD Rebuild

Retired 2006

 Symington-Winnipeg, MB, October 25th 2006  
71 79140 15   5-11/1953 Canadian National CN 8480 MS-7b Retired 1972   No Pictures of this unit  
72 79141 15   5-11/1953 Canadian National CN 8481 MS-7b Retired 1973 London ON on 30 December 1962  
73 79142 15   5-11/1953 Canadian National CN 8482 MS-7b Retired 1972

Sold

    
  URS (Dealer)   44          
7/1978 Donohue St-Felicien   44     St-Felicien, OC    
74 79143 15   5-11/1953 Canadian National CN 8483 MS-7b Retired 1972   No Pictures of this unit  
75 79164 5   9/1953 Canadian Pacific CP 6518   Retired 10/84 Vancouver, BC 09/19/1979 Craig Walker
76 79165 5   9-10/1953 Canadian Pacific CP 6519   Retired 5/1979 Lethbridge, AB, 1973 unknown
77 79166 5   9-10/1953 Canadian Pacific CP 6520   Retired 3/1977 Alyth, Calgary AB, 09/26/1966 Bob Loat
78 79167 5   9-10/1953 Canadian Pacific CP 6521   Retired 11/1984

Sold

 Winnipeg, MB, 8/5/1978 Ed Fulcomer
5/1985 Simplot Chemicals   21 / 6521     Brandon, MB, 8/25/1991 Doug Boyd
79 79168 5   9-10/1953 Canadian Pacific CP 6522   Retired 2/1981 Brandon MB, 5/10/1973 Bruce Chapman
Info retrieved from various sources including:  www.thedieselshop.us
Serial Number 77000-77999 Serial Number 80000-80999

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Last Edited December 23, 2022

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