4/3/2025
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Home
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Baltimore & Ohio
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Locomotives
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Locomotive Models
> Alco S4
Baltimore & Ohio Photographic Roster
Reporting Marks: BO
Showing Locomotive model S4
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All S4s
BO Rolling Stock
Unit #
Notes
Model
Serial
# Pictures
BO 9009
Ex B&O 469
S4
81321
4
50386
BO 9010
blt 1955, Ex B&O 470
S4
81322
7
50383
BO 9013
S4 blt 4/55 as 473
S4
81325
3
27866
BO 9017
blt 4/55
S4
81329
1
113551
BO 9082
sfs 12/74
S4
81864
1
204842
BO 9084
blt 8/56
S4
81866
2
135651
BO 9085
S4
81867
1
160735
BO 9086
S4
81868
1
222292
BO 9087
sold 04/74 to Luntz, resold to PNC
S4
81869
1
194804
BO 9092
sold 4/10/74, J&L 107
S4
81874
1
72410
BO 9093
S4
81875
1
176352
BO 9095
S4
81877
1
226884
BO 9096
Built 6/56
S4
81878
19
75405
BO 9100
retired 1/1/77 to Timken #1985
S4
81985
19
12265
BO 9102
returned to lessor 12/09/75, sfs
S4
81987
1
185702
BO 9103
S4
81988
1
190680
BO 9104
S4
81989
1
153635
BO 9107
retired 1/1/77, sfs 4/16/79
S4
81992
3
87822
BO 9112
sold in 1974
S4
81997
1
227861
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