Union Pacific 4014
E1250161
UNEXPLORED
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Union Pacific 4014 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T17069309 — 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 4014 Context triple: [Union Pacific Heritage Fleet, includes, Union Pacific 4014]
-
A.
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.
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B.
Union Pacific Challenger
The Union Pacific Challenger was a named passenger train operated by the Union Pacific Railroad, known for providing comfortable, mid-priced long-distance service across the western United States.
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C.
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.
-
D.
Union Pacific Heritage Fleet
The Union Pacific Heritage Fleet is a collection of restored historic passenger cars and locomotives maintained by Union Pacific Railroad for special excursions, public relations, and preservation of the company’s railroading legacy.
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E.
Central Pacific Railroad No. 173
Central Pacific Railroad No. 173 was a 19th-century steam locomotive whose design and appearance helped inspire the look of Disneyland’s C.K. Holliday engine.
- 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 4014 Target entity description: 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.
-
A.
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.
-
B.
Union Pacific Challenger
The Union Pacific Challenger was a named passenger train operated by the Union Pacific Railroad, known for providing comfortable, mid-priced long-distance service across the western United States.
-
C.
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.
-
D.
Union Pacific Heritage Fleet
The Union Pacific Heritage Fleet is a collection of restored historic passenger cars and locomotives maintained by Union Pacific Railroad for special excursions, public relations, and preservation of the company’s railroading legacy.
-
E.
Central Pacific Railroad No. 173
Central Pacific Railroad No. 173 was a 19th-century steam locomotive whose design and appearance helped inspire the look of Disneyland’s C.K. Holliday engine.
- F. None of above. chosen
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.