Union Pacific E9A 949
E1253905
UNEXPLORED
Union Pacific E9A 949 is a preserved streamlined EMD E9 diesel-electric locomotive that serves in Union Pacific’s Heritage Fleet for special excursion and ceremonial passenger trains.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Union Pacific E9A 949 canonical | 2 |
| Union Pacific E9A 951 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T17069312 — 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: Union Pacific E9A 949 Context triple: [Union Pacific Heritage Fleet, includes, Union Pacific E9A 949]
-
A.
Union Pacific 3985
Union Pacific 3985 is a famous Challenger-type articulated steam locomotive built in 1943 for the Union Pacific Railroad and later restored for excursion service as one of the largest operating steam locomotives in the world.
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B.
Union Pacific 6936
Union Pacific 6936 is a preserved Union Pacific DDA40X "Centennial" diesel-electric locomotive, notable as the last of its kind to remain operational and used for special excursion and heritage trains.
-
C.
Union Pacific No. 119
Union Pacific No. 119 was the steam locomotive that represented the Union Pacific Railroad at the 1869 Golden Spike ceremony marking the completion of the First Transcontinental Railroad.
-
D.
Southern Pacific GS-4
The Southern Pacific GS-4 is a class of streamlined 4-8-4 "Northern" steam locomotives built in the 1940s for the Southern Pacific Railroad, renowned for their distinctive orange and red "Daylight" livery and high-speed passenger service.
-
E.
Union Pacific 4014
Union Pacific 4014, known as "Big Boy," is one of the largest and most powerful steam locomotives ever built, restored to operation for excursion service in the 21st century.
- 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: Union Pacific E9A 949 Target entity description: Union Pacific E9A 949 is a preserved streamlined EMD E9 diesel-electric locomotive that serves in Union Pacific’s Heritage Fleet for special excursion and ceremonial passenger trains.
-
A.
Union Pacific 3985
Union Pacific 3985 is a famous Challenger-type articulated steam locomotive built in 1943 for the Union Pacific Railroad and later restored for excursion service as one of the largest operating steam locomotives in the world.
-
B.
Union Pacific 6936
Union Pacific 6936 is a preserved Union Pacific DDA40X "Centennial" diesel-electric locomotive, notable as the last of its kind to remain operational and used for special excursion and heritage trains.
-
C.
Union Pacific No. 119
Union Pacific No. 119 was the steam locomotive that represented the Union Pacific Railroad at the 1869 Golden Spike ceremony marking the completion of the First Transcontinental Railroad.
-
D.
Southern Pacific GS-4
The Southern Pacific GS-4 is a class of streamlined 4-8-4 "Northern" steam locomotives built in the 1940s for the Southern Pacific Railroad, renowned for their distinctive orange and red "Daylight" livery and high-speed passenger service.
-
E.
Union Pacific 4014
Union Pacific 4014, known as "Big Boy," is one of the largest and most powerful steam locomotives ever built, restored to operation for excursion service in the 21st century.
- F. None of above. chosen
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Union Pacific E9A 949