251-Powered Alco Roster            Alco Logo
(before Centuries)

This continues my Alco roster efforts to include the 251-powered Alco's that were produced in the US before the Century line was introduced in 1963.  As usual, any additions, corrections, or suggestions are greatly appreciated!

S5  (DL-421)                1 Built - 1 US

Original # Previous #'s Last # Date Blt. Notes
ALCO 6     7/51  

S5   (DL-421A)            7 Built - 7 US

Original # Previous #'s Last # Date Blt. Notes
B&M 860-65      6/54  
Island Creek 909 (or 102?)   6/54  

S6   (DL-430)               126 Built - 93 US, 33 Mexico

Original # Previous #'s Last # Date Blt. Notes
Armco Steel 1202        
BRC 420        
B. Perini & Sons Construction 10 (101?)     2/56 1
CH-P 60        
Cia. Fundidora de Hierro y Acero 1-3        
Columbia Geneva Steel 1        
Pacifico 701-724        
Ohio River Co. 56        
NdeM 5300        
NP 750     5/55  
Republic Steel 153,317-18        
SCOP 7133-1,-2,-3     12/60  
Sheffield Steel 15,16        
SP 1033-90   SP 1200-57    
SP 4634-45   SP 1270-81    
South Buffalo 40-45        
Semet-Solvay 110        
Tennesee Copper 107        
Unidos de Yucatan 301        
Upper Merion & Plymouth 61     6/57 1
US Pipe and Foundry 38        
WM 151-52        

Notes:

  1. Perini 10 (or is it 101?) was rebuilt as Upper Merion & Plymouth 61.

SSB-9  (DL-441)            2 Built - 2 US

Original # Previous #'s Last # Date Blt. Notes
Oliver Iron Mining 1217-18     10/56 1

Notes:

  1. Cow and calf units (2 units each).

T6  (DL-440)                 57 Built - 55 US, 2 Mexico

Original # Previous #'s Last # Date Blt. Notes
Altos Hornos 126-27     12/64  
American Cyanamid 16,17        
Kaiser Steel 1022-23     3/60  
Mon-Con 400        
N&W 10-49   A&M 12,14,16,18    
NSS 1016-17  Cargill 1017  M&H 1017 1/69 1
PRR 8424-8429  PC 9844-9849
CR 9844-9849 		 A&M 15,17 3/58  
Portland Terminal 46,47       2

Notes:

  1. No. 1017 is the last domestic Alco, now at Dana IN.
  2. Portland, Oregon.

RS11  (DL-701)             426 Built - 327 US, 99 Mexico

Codes:  FL = Fuel Capacity (gallons),  DB = Dynamic Brake,  ST = Stanchion Style

Original # Previous #'s Last # Date Blt. FL DB ST Notes
Alco 701,701A SP 5720-21 SP 2900-01 2/56 2600 Y 1  
Alco 701B SP 5722 SP 2902 2/56 1200 Y 1 1
C&NW 11 SOU 11
CNW 4651		 CNW 4251   1200 N 1  
D&H 5000-05     3/60 1800 Y 1  
D&H 5006-11       1200 Y 2 3
DWP 3600-14   CV 3600-14 8/56 800 Y 1 2
Erie Mining 300-14   EM 7200-14   1200 N 1  
FCP 1501   FCP 501   2600 Y 1 1
KGB&W 309  GB&W 309  KB&S 309   1800 N 1  
LV 400-03   CR 7609-12   1200 Y 2 3
MEC 801       1200 Y 1  
Mon Con 700   A&S 700   1200 N 1  
MP 4601-12   MP 488-99   1800 N 2  
NdeM 7200-04         N 1  
NdeM 7205-17         N 1 1
NdeM 7218-93     6/63-4/64 2600 Y 2 3,4
NH 1400-13 PC 7660-73 CR 7585-98 5/56 1200 Y 1 1
NH 1414 PC 7674 CR 7599   1200 Y 1 1
NYC 8000-08 PC 7600-08 CR 7600-08   1200 N 1  
NKP 558-62 N&W 2558-60,-,2562 NFD 201,-,202,204   1800 N 1  
NKP 563-72   N&W 2563-72   1800 N 1  
NKP 573-77   N&W 2573-77   1800 N 2  
NKP 850-63   N&W 2850-63   1800 N 1  
NKP 864   N&W 2864   1800 N 1  
N&W 308-80       1800 Y 1  
N&W 381-406     6/61 1800 Y 2  
NP 900-03   BN 4180-83   1200 N 1  
NP 904-11   BN 4184-91   1200 Y 1  
NP 912-17   BN 4192-97   1200 Y 2  
PRR 8617-54 PC 7617-54
LV 7640-44,48		 CR 7617-54
CR 7640-44,48		   1800 Y 1  
PT 1082   MEC 802   1200 Y 1  
SAL 100-09 SCL 1202-11 L&N 950-59 1960 1800 Y 2  
SCOP 123-1,2,3,4         N 1  
SP 5723-29   SP 2903-09   1800 Y 1  
SP 5845-65   SP 2910-30   1800 Y 2  
SP 5866-71 SP 2931-36 R&S 32 8/59 1800 Y 2 3
SPC 3-6       2600 Y 1  
SPC 8       2600 Y 2  
TPW 400-01       1200 N 1  
TPW 402       1200 N 2  

Notes:

  1. Steam generator equipped, 1200 gallons boiler water.
  2. Dynamic brakes in long hood, lightweight Canadian trucks.
  3. Low nose.
  4. Built by MLW.
  5. Stanchion styles:
    1 - Diagonal braces at the corners of the side handrails.
    2 - No diagonal braces.

RS36 (DL-701)             40 Built - 40 US

Codes:  FL = Fuel Capacity (gallons),  DB = Dynamic Brake,  ST = Stanchion Style

Original # Previous #'s Last # Date Blt. FL DB ST Notes
A&D 1,2   NFD 1,2   1200 N 2  
APA 700,800,900     9/62 1500 Y 2  
CNW 405       2000 N 2  
D&H 5012-23       1500 Y 2  
NKP 865-73   N&W 2865-73 2/62 1800 N 2  
NKP 874-75   N&W 2874-75   1200 N 2 1
N&W 407-12       1500 Y 2  
TC 301-05   L&N 910-14 8/63 1500 N 2  

Notes:

  1. High short hood, steam generator equipped, 1200 gallons boiler water.
  2. Stanchion styles:
    1 - Diagonal braces at the corners of the side handrails.
    2 - No diagonal braces.

RS32 (DL-721)             35 Built - 35 US

Codes:  FL = Fuel Capacity (gallons),  DB = Dynamic Brake,  ST = Stanchion Style

Original # Previous #'s Last # Date Blt. FL DB ST Notes
NYC 8020-34 NYC 2020-34
PC 2021-34
CR 2021-34 		A&M 42 (ex 2031) 6/61 1800 N 2  
NYC 8035-44 NYC 2035-44
PC 2035-44
CR 2035-44
DV 212 (ex 8035)		 Tishomingo 212 (ex DV 212)
 6/62 2600 N 2  
SP 7300-09  SP 4000-09
DV 211 (ex 7302)
Simplot 4004		 Tishomingo 211 (ex DV 211)
San Diego RR Mus./Simplot 4004
Fillmore &Western 4009		 3/62 2600 Y 2  

Notes:

  1. All were low nose.
  2. Stanchion styles:
    1 - Diagonal braces at the corners of the side handrails.
    2 - No diagonal braces.

RS27  (DL-640)              27 Built - 27 US

Codes:  FL = Fuel Capacity (gallons),  DB = Dynamic Brake,  ST = Stanchion Style

Original # Previous #'s Last # Date Blt. FL DB ST Notes
ALCO 640-1 TO -5 UP 675-678 DEVCO 214-15 12/59 2000 Y 2  
CNW 900-03 901 to GBW 318
902 to GBW 317
903 to GBW 316		 MCRy 318
scr 1984
MCRy 316		   2000 N 2  
GBW 310       2000 N 2  
PRR 2400-14 PC 2400-14 CR 2400-14 10/62 2600 Y 2  
SOO 415-16       2000 N 2  

Notes:

  1. All were low nose.
  2. Stanchion styles:
    1 - Diagonal braces at the corners of the side handrails.
    2 - No diagonal braces.

RSD12  (DL-702)            161 Built - 69 US, 92 Mexico

Codes:  FL = Fuel Capacity (gallons),  DB = Dynamic Brake,  ST = Stanchion Style

Original # Previous #'s Last # Date Blt. FL DB ST Notes
C&O 6700-09     4/56        
FCP 509-20,1502-08              
LS&I 1801-03              
LS&I 1804     4/63       1
NdeM 7400-72           N  
NKP 325-33             1
PRR 8655-79  PC 6855-6879  CR 6855-6879          
RFFSA 3501-10     10/62   N 2 1,2
SP 7000-20   SP 2950-70 2/61   Y 2 3

Notes:

  1. Equipped with an RS36 style long hood.
  2. Built by MLW for the State Railway of Brazil.
  3. Low nose.

RSD15 (DL-600B)             75 Built - 75 US

Codes:  FL = Fuel Capacity (gallons),  DB = Dynamic Brake,  ST = Stanchion Style

Original # Previous #'s Last # Date Blt. FL DB ST Notes
ATSF 800-49 ATSF 9800-49 UTAH 400-06? 4-6/59   Y 2 1
DMIR 50-55   B&LE 881-86     Y 2  
PRR 8611-16 PC 6811-16 CR 6812-6816 6/56   Y    
SP 4816-18 T&NO 250-52 SP 5160-62     Y 2 1
SSW 5150-59         Y 2 1

Notes:

  1. Low nose.

References:

Back to the AlcoHauler Home Page