Montreal Locomotive Works

(MLW)

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Production Roster - Alco (MLW) S-3 Switcher
Serial Numbers 80000 to 80999
Years Produced: 1954-1957
Number Produced: 163
Engine Type: 6 cyl 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
80 80981 5   6-8/1954 Canadian National CN 8494 MS-7c Retired 1964

Converted to Slug & Renumbered

Windsor, Ontario, September 1963  
1965 B12   Renumbered      
1965 311 MY-00a Renumbered    
1978 353 MY-00a Renumbered      
1990 268 GY-00m GMD Rebuild    
81 80982 5   6/1954 Canadian National CN 8495 MS-7c Retired 1964

Converted to Slug & Renumbered

     
1965 B-10   Renumbered      
1965 309 MY-00a Renumbered      
1978 168 MH-00a Sold    
1999 Trillium Railway   168   Scrapped February 2012    
82 80983 5   6-8/1954 Canadian National CN 8496 MS-7c Retired 1975 Fort Erie, Ontario, 02/14/1976 Unknown
83 80984 5   8/1954 Canadian National CN 8497 MS-7c Retired 1974

Sold

Stratford Ontario, September 1965  
5/74  Indusmin Ltd.   97     Limehouse, Ont. May 3, 1981 Gord Strathdee  
  Armbro Aggregates         Limehouse,, Ontario    
  United Aggregates       derelict 1989 Limehouse,, Ontario    
84 80985 5   6-8/1954 Canadian National CN 8498 MS-7c Retired 1970 Kitchener, Ontario, September 1st, 1964 Carson Wiebe
85 80986 1   6/1954 Lasalle Coke & Manufacturing   4     Lasalle, QC No Pictures of this unit  
1977 Cargill Grain       Scrapped 8/1984 Thunder Bay, Ontario    
86 80987 4   1/1955 Canadian Pacific CP 6523          
87 80988

MLW Order No. 4012

4   1/1955 Canadian Pacific CP 6524     Montreal, QC  8/12/1985 Alan Gaines
88 80989

MLW Order No. 4012

4   1/1955 Canadian Pacific CP 6525     Guelph, Ontario CP 6525 Carson Wiebe
89 80990 4   1/1955 Canadian Pacific CP 6526          
Info retrieved from various sources including:  www.thedieselshop.us
Serial Number 79000-79999 Serial Number 81000-81999

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Last Edited December 12, 2020

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