Rockwell trucks
E311222
Rockwell trucks are a type of railcar bogie assembly used on New York City’s R46 subway cars, designed to support and guide the cars along the tracks.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rockwell trucks canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2939280 — 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: Rockwell trucks Context triple: [R46 subway cars, bogieType, Rockwell trucks]
-
A.
MAN Truck & Bus
MAN Truck & Bus is a major European commercial vehicle manufacturer specializing in trucks, buses, and diesel engines, headquartered in Germany and operating worldwide.
-
B.
Mason trucks
Mason trucks were a line of commercial vehicles produced in the 1920s by Durant Motors, an American automobile manufacturer founded by former General Motors head William C. Durant.
-
C.
International Trucks
International Trucks is a major American manufacturer of commercial trucks and diesel engines, known for producing a wide range of medium- and heavy-duty vehicles for freight, construction, and vocational use.
-
D.
Ram Trucks
Ram Trucks is an American brand of light to heavy-duty pickup trucks and commercial vehicles known for its powerful performance and rugged design.
-
E.
GM Truck and Coach
GM Truck and Coach was General Motors’ division responsible for designing and manufacturing commercial trucks and transit buses, widely used across North America in the mid-20th 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: Rockwell trucks Target entity description: Rockwell trucks are a type of railcar bogie assembly used on New York City’s R46 subway cars, designed to support and guide the cars along the tracks.
-
A.
MAN Truck & Bus
MAN Truck & Bus is a major European commercial vehicle manufacturer specializing in trucks, buses, and diesel engines, headquartered in Germany and operating worldwide.
-
B.
Mason trucks
Mason trucks were a line of commercial vehicles produced in the 1920s by Durant Motors, an American automobile manufacturer founded by former General Motors head William C. Durant.
-
C.
International Trucks
International Trucks is a major American manufacturer of commercial trucks and diesel engines, known for producing a wide range of medium- and heavy-duty vehicles for freight, construction, and vocational use.
-
D.
Ram Trucks
Ram Trucks is an American brand of light to heavy-duty pickup trucks and commercial vehicles known for its powerful performance and rugged design.
-
E.
GM Truck and Coach
GM Truck and Coach was General Motors’ division responsible for designing and manufacturing commercial trucks and transit buses, widely used across North America in the mid-20th century.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
railcar bogie assembly
ⓘ
subway car truck ⓘ |
| associatedWithCarBuilder |
Pullman-Standard
ⓘ
surface form:
Pullman-Standard R46 builder
|
| associatedWithIssue | structural and maintenance problems on early R46 service ⓘ |
| associatedWithOperator |
Metropolitan Transportation Authority
ⓘ
surface form:
MTA New York City Transit
|
| belongsToCategory |
New York City Subway rolling stock components
ⓘ
railway bogies ⓘ subway car running gear ⓘ |
| componentOf |
R46 subway cars
ⓘ
surface form:
R46 car underframe assembly
|
| designedFor |
guiding R46 subway cars along tracks
ⓘ
supporting R46 subway cars ⓘ |
| designedForCarLength | 75-foot subway cars ⓘ |
| designedForTrackGauge | 1,435 mm ⓘ |
| hasBrakeType | pneumatic disc and/or tread brakes (as equipped on R46) ⓘ |
| hasEnvironment | heavy-rail rapid transit ⓘ |
| hasFunction |
house wheelsets and axles
ⓘ
mount braking equipment ⓘ mount traction motors ⓘ provide guidance on curves ⓘ provide suspension between carbody and wheels ⓘ support car weight ⓘ |
| hasGauge | standard gauge ⓘ |
| hasLocation | under each end of an R46 car ⓘ |
| hasManufacturer | Rockwell International ⓘ |
| hasSuspensionType | primary and secondary suspension elements ⓘ |
| hasWheelArrangement | two-axle bogie ⓘ |
| introducedInDecade | 1970s ⓘ |
| introducedWith | R46 order ⓘ |
| operatedInCity | New York City ⓘ |
| operatedInCountry |
United States of America
ⓘ
surface form:
United States
|
| operatesOn | steel rails ⓘ |
| operationalRole | primary load-bearing structure between carbody and rails ⓘ |
| partOfSystem | running gear of R46 subway cars ⓘ |
| quantityPerCar | 2 ⓘ |
| replacedBy | Kawasaki trucks on overhauled R46 cars ⓘ |
| subjectTo | NYC Transit maintenance standards ⓘ |
| usedByTransitSystem | New York City Subway ⓘ |
| usedOn | R46 subway cars ⓘ |
| usedOnCarConfiguration | permanent 4-car sets of R46 ⓘ |
| usedOnCarFleet | R46 A Division-equivalent length 75-foot cars ⓘ |
| usedOnCarType | electric multiple unit ⓘ |
| usedOnLineType |
BMT Broadway Line
ⓘ
BMT Fourth Avenue Line ⓘ Eighth Avenue Line ⓘ
surface form:
IND Eighth Avenue Line
IND Fulton Street Line (subway portion) ⓘ
surface form:
IND Fulton Street Line
IND Queens Boulevard Line ⓘ IND Rockaway Line (subway portion) ⓘ
surface form:
IND Rockaway Line
|
| usedOnPowerCollectionType | third rail ⓘ |
| usedWith | stainless steel R46 car bodies ⓘ |
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: Rockwell trucks Description of subject: Rockwell trucks are a type of railcar bogie assembly used on New York City’s R46 subway cars, designed to support and guide the cars along the tracks.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.