EMD SW7
E1426962
UNEXPLORED
The EMD SW7 is a 1,200-horsepower diesel-electric switcher locomotive built by Electro-Motive Division in the late 1940s and early 1950s, widely used for yard and industrial switching across North America.
All labels observed (1)
| Label | Occurrences |
|---|---|
| EMD SW7 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20179452 — 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 SW7 Context triple: [EMC/EMD diesel locomotives, notableModel, EMD SW7]
-
A.
EMD SW1
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.
-
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 F7
The EMD F7 is a widely used American diesel-electric locomotive from the mid-20th century, known for its streamlined “F-unit” design and extensive service in both freight and passenger operations.
-
D.
EMD GP7
The EMD GP7 is a four-axle road switcher diesel-electric locomotive introduced in the late 1940s that became one of Electro-Motive Division’s most successful and widely used early road switcher designs in North America.
-
E.
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.
- 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 SW7 Target entity description: The EMD SW7 is a 1,200-horsepower diesel-electric switcher locomotive built by Electro-Motive Division in the late 1940s and early 1950s, widely used for yard and industrial switching across North America.
-
A.
EMD SW1
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.
-
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 F7
The EMD F7 is a widely used American diesel-electric locomotive from the mid-20th century, known for its streamlined “F-unit” design and extensive service in both freight and passenger operations.
-
D.
EMD GP7
The EMD GP7 is a four-axle road switcher diesel-electric locomotive introduced in the late 1940s that became one of Electro-Motive Division’s most successful and widely used early road switcher designs in North America.
-
E.
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.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.