USRA Heavy Santa Fe 2-10-2
E467966
The USRA Heavy Santa Fe 2-10-2 was a standardized heavy freight steam locomotive type developed under the United States Railroad Administration during World War I, featuring a 2-10-2 wheel arrangement optimized for slow, powerful hauling.
All labels observed (1)
| Label | Occurrences |
|---|---|
| USRA Heavy Santa Fe 2-10-2 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4561522 — 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: USRA Heavy Santa Fe 2-10-2 Context triple: [USRA standard steam locomotive designs, hasPart, USRA Heavy Santa Fe 2-10-2]
-
A.
USRA Light Santa Fe 2-10-2
The USRA Light Santa Fe 2-10-2 was a standardized heavy freight steam locomotive design developed under the United States Railroad Administration during World War I, featuring a 2-10-2 wheel arrangement optimized for slow, powerful hauling.
-
B.
USRA Heavy Mikado 2-8-2
The USRA Heavy Mikado 2-8-2 was a standardized World War I–era American steam freight locomotive design known for its robust construction, high tractive effort, and widespread use across multiple railroads.
-
C.
USRA Heavy Mountain 4-8-2
The USRA Heavy Mountain 4-8-2 was a standardized World War I–era American steam locomotive design built for heavy passenger and fast freight service, featuring a 4-8-2 wheel arrangement and robust construction for demanding mainline duties.
-
D.
USRA Light Mikado 2-8-2
The USRA Light Mikado 2-8-2 was a widely used World War I–era American freight steam locomotive type designed for balanced performance and standardized construction across multiple railroads.
-
E.
USRA Light Mountain 4-8-2
The USRA Light Mountain 4-8-2 was a standardized World War I–era American steam locomotive design used by multiple railroads for mixed-traffic service under the United States Railroad Administration.
- 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: USRA Heavy Santa Fe 2-10-2 Target entity description: The USRA Heavy Santa Fe 2-10-2 was a standardized heavy freight steam locomotive type developed under the United States Railroad Administration during World War I, featuring a 2-10-2 wheel arrangement optimized for slow, powerful hauling.
-
A.
USRA Light Santa Fe 2-10-2
The USRA Light Santa Fe 2-10-2 was a standardized heavy freight steam locomotive design developed under the United States Railroad Administration during World War I, featuring a 2-10-2 wheel arrangement optimized for slow, powerful hauling.
-
B.
USRA Heavy Mikado 2-8-2
The USRA Heavy Mikado 2-8-2 was a standardized World War I–era American steam freight locomotive design known for its robust construction, high tractive effort, and widespread use across multiple railroads.
-
C.
USRA Heavy Mountain 4-8-2
The USRA Heavy Mountain 4-8-2 was a standardized World War I–era American steam locomotive design built for heavy passenger and fast freight service, featuring a 4-8-2 wheel arrangement and robust construction for demanding mainline duties.
-
D.
USRA Light Mikado 2-8-2
The USRA Light Mikado 2-8-2 was a widely used World War I–era American freight steam locomotive type designed for balanced performance and standardized construction across multiple railroads.
-
E.
USRA Light Mountain 4-8-2
The USRA Light Mountain 4-8-2 was a standardized World War I–era American steam locomotive design used by multiple railroads for mixed-traffic service under the United States Railroad Administration.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
2-10-2 locomotive
ⓘ
USRA standard locomotive design ⓘ freight locomotive ⓘ steam locomotive type ⓘ |
| belongsToProgram | USRA standard locomotive program NERFINISHED ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| designedDuring | USRA control of U.S. railroads ⓘ |
| designedFor |
heavy freight service
ⓘ
slow, powerful hauling ⓘ |
| developedBy | United States Railroad Administration NERFINISHED ⓘ |
| era | World War I NERFINISHED ⓘ |
| hasAxleConfiguration | 1-5-1 ⓘ |
| hasConfigurationName | Santa Fe NERFINISHED ⓘ |
| hasDesignFeature |
large number of driving wheels for traction
ⓘ
single-axle leading truck ⓘ two-axle trailing truck ⓘ |
| hasDrivingAxles | 5 ⓘ |
| hasLeadingAxles | 2 ⓘ |
| hasLocomotiveType | tender locomotive ⓘ |
| hasNickname | Santa Fe type NERFINISHED ⓘ |
| hasRole | standard heavy freight design for multiple railroads ⓘ |
| hasWheelArrangement | 2-10-2 ⓘ |
| hasWhyteNotation | 2-10-2 ⓘ |
| introducedAs | USRA heavy 2-10-2 NERFINISHED ⓘ |
| optimizedFor | low-speed tractive effort ⓘ |
| powerType | steam ⓘ |
| primaryUse | freight trains ⓘ |
| standardizedBy | United States Railroad Administration NERFINISHED ⓘ |
| usedIn | United States railroads NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: USRA Heavy Santa Fe 2-10-2 Description of subject: The USRA Heavy Santa Fe 2-10-2 was a standardized heavy freight steam locomotive type developed under the United States Railroad Administration during World War I, featuring a 2-10-2 wheel arrangement optimized for slow, powerful hauling.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.