5/9/2025
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Home
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Union Pacific Railroad Company
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Locomotives
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Locomotive Models
> Alco S2
Union Pacific Railroad Company Photographic Roster
Reporting Marks: UP
Showing Locomotive model S2
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All S2s
UP Rolling Stock
Unit #
Notes
Model
Serial
# Pictures
UP 1098
nee TRRA 575
S2
69662
35
84194
UP 1100
built as UP 1036 9/43, re# to 1100 5/45, retire 4/68
S2
70228
2
157768
UP 1103
blt 10/43, retired 1/68, to EMD
S2
70231
1
165958
UP 1105
built as UP 1041 11/43, retired 4/68
S2
71275
1
165959
UP 1114
Built 2/44
S2
72014
2
268008
UP 1120
blt 6/45, retired 12/71
S2
73370
1
148750
UP 1132
traded to EMD 2/69
S2
73615
2
156981
UP 1133
built 8/45, retired 2/68
S2
73616
2
168935
UP 1138
retired 8/70, traded to EMD
S2
74341
2
168934
UP 1141
blt 11/45, retired, traded to EMD 10/71
S2
74440
1
149787
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