Editing EMD SD50 (section)

==Original owners==
{{unreferenced section|date=December 2021}}
{| class=wikitable
!Railroad
!Qty.
!Road numbers
!Notes
!References
|-
! colspan="5" | SD50
|- align=center
|[[Baltimore & Ohio]]<br>([[Chessie System]])
|20
|8576–8595
| align=left |
|
|- align=center
|[[Chicago & North Western]]
|35
|7000–7034
| align=left | [[Chicago and North Western 7009|7009]] donated to the [[Illinois Railway Museum]]
|<ref name=":0" />
|- align = "center"
|[[Chesapeake and Ohio Railway|Chesapeake & Ohio]]<br>([[Chessie System]])
|43
|8553–8575, 8624–8643
| align=left |
|
|- align = "center"
|[[Conrail]]
|135
|6700–6834
| align=left |
|
|- align = "center"
|[[Denver & Rio Grande Western]]
|17
|5501–5517
| align=left |
|
|- align = "center"
|[[Kansas City Southern Railway]]
|10
|704–713
| align=left |
|
|- align = "center"
|[[Missouri Pacific Railroad]]
|60
|5000–5059
| align=left |
|
|- align="center"
|[[Seaboard System Railroad]]
|81
|8500–8552, 8596–8623
| align=left |
|
|- align="center"
|[[Norfolk Southern]]
|20
|6506–6525
| align=left |
|
|- align="center"
|[[Hamersley & Robe River railway|Hamersley Iron]]
|5
|6060–6064
| align=left |
|
|-
! colspan="5" |SD50S
|- align = "center"
|[[Norfolk & Western Railway]]
|6
|6500–6505
| align=left | SD50S short frame
|
|-
! colspan="5" |SD50F
|- align="center"
|[[Canadian National]]
|60
|5400–5459
| align=left |Cowl units
|
|-
!Totals !! 431 !! !! !!
|}