EMD SW1
E1425956
UNEXPLORED
The EMD SW1 is an early diesel-electric switcher locomotive introduced in the late 1930s that became widely used in North American rail yards for light switching and industrial service.
All labels observed (1)
| Label | Occurrences |
|---|---|
| EMD SW1 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20179451 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: EMD SW1 Context triple: [EMC/EMD diesel locomotives, notableModel, EMD SW1]
-
A.
EMD SD9
The EMD SD9 is a six-axle diesel-electric road switcher locomotive built by General Motors’ Electro-Motive Division in the 1950s, widely used by North American railroads for heavy freight service.
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B.
EMD E7
The EMD E7 is a streamlined, cab-unit diesel-electric passenger locomotive built by General Motors’ Electro-Motive Division in the late 1940s and widely used by major U.S. railroads during the early dieselization era.
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C.
EMD GP38-2
The EMD GP38-2 is a widely used four-axle diesel-electric road switcher locomotive built by General Motors’ Electro-Motive Division, known for its reliability and versatility in freight service across North America.
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D.
EMD E8
The EMD E8 is a streamlined, diesel-electric passenger locomotive built by General Motors’ Electro-Motive Division in the late 1940s and 1950s, widely used by major North American railroads.
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E.
EMD F3
The EMD F3 is a streamlined, diesel-electric freight locomotive built by General Motors’ Electro-Motive Division in the late 1940s as part of the iconic F-unit series widely used across North American railroads.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: EMD SW1 Target entity description: The EMD SW1 is an early diesel-electric switcher locomotive introduced in the late 1930s that became widely used in North American rail yards for light switching and industrial service.
-
A.
EMD SD9
The EMD SD9 is a six-axle diesel-electric road switcher locomotive built by General Motors’ Electro-Motive Division in the 1950s, widely used by North American railroads for heavy freight service.
-
B.
EMD E7
The EMD E7 is a streamlined, cab-unit diesel-electric passenger locomotive built by General Motors’ Electro-Motive Division in the late 1940s and widely used by major U.S. railroads during the early dieselization era.
-
C.
EMD GP38-2
The EMD GP38-2 is a widely used four-axle diesel-electric road switcher locomotive built by General Motors’ Electro-Motive Division, known for its reliability and versatility in freight service across North America.
-
D.
EMD E8
The EMD E8 is a streamlined, diesel-electric passenger locomotive built by General Motors’ Electro-Motive Division in the late 1940s and 1950s, widely used by major North American railroads.
-
E.
EMD F3
The EMD F3 is a streamlined, diesel-electric freight locomotive built by General Motors’ Electro-Motive Division in the late 1940s as part of the iconic F-unit series widely used across North American railroads.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.