DE30AC locomotive
E20919
The DE30AC locomotive is a diesel-electric passenger locomotive built by EMD for the Long Island Rail Road, designed for push-pull commuter service with head-end power.
All labels observed (4)
| Label | Occurrences |
|---|---|
| DE30AC locomotive canonical | 1 |
| DM30AC locomotive | 1 |
| EMD DE30AC locomotives | 1 |
| LIRR DE30AC diesel-electric locomotive | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T164835 — 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.
Target entity: DE30AC locomotive Context triple: [Long Island Rail Road, usesRollingStock, DE30AC locomotive]
-
A.
GG1 electric locomotive
The GG1 electric locomotive was a streamlined, high-speed electric locomotive class that became an iconic workhorse of American railroading, particularly in the Northeast corridor, during much of the 20th century.
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B.
M7 electric multiple unit
The M7 electric multiple unit is a modern commuter rail car class built for high-frequency, third-rail electrified service, notably operating on New York’s Long Island Rail Road and similar regional rail networks.
-
C.
M9 electric multiple unit
The M9 electric multiple unit is a modern commuter rail train used by the Long Island Rail Road, designed to replace older fleets with improved performance, safety, and passenger amenities.
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D.
MARC Train
MARC Train is a commuter rail service operating in Maryland and the surrounding region, connecting cities such as Washington, D.C., Baltimore, and Martinsburg.
-
E.
C train
The C train is a local service on the New York City Subway’s Eighth Avenue Line, running primarily between Upper Manhattan and Brooklyn.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: DE30AC locomotive Target entity description: The DE30AC locomotive is a diesel-electric passenger locomotive built by EMD for the Long Island Rail Road, designed for push-pull commuter service with head-end power.
-
A.
GG1 electric locomotive
The GG1 electric locomotive was a streamlined, high-speed electric locomotive class that became an iconic workhorse of American railroading, particularly in the Northeast corridor, during much of the 20th century.
-
B.
M7 electric multiple unit
The M7 electric multiple unit is a modern commuter rail car class built for high-frequency, third-rail electrified service, notably operating on New York’s Long Island Rail Road and similar regional rail networks.
-
C.
M9 electric multiple unit
The M9 electric multiple unit is a modern commuter rail train used by the Long Island Rail Road, designed to replace older fleets with improved performance, safety, and passenger amenities.
-
D.
MARC Train
MARC Train is a commuter rail service operating in Maryland and the surrounding region, connecting cities such as Washington, D.C., Baltimore, and Martinsburg.
-
E.
C train
The C train is a local service on the New York City Subway’s Eighth Avenue Line, running primarily between Upper Manhattan and Brooklyn.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail locomotive
ⓘ
diesel-electric locomotive ⓘ passenger locomotive ⓘ push-pull locomotive ⓘ |
| countryOfOperation |
United States of America
ⓘ
surface form:
United States
|
| designedBy |
EMD F59PHI
ⓘ
surface form:
Electro-Motive Division engineers
|
| designedFor |
commuter service
ⓘ
push-pull service ⓘ |
| fuelType | diesel fuel ⓘ |
| gauge | standard gauge ⓘ |
| hasBrakes |
air brakes
ⓘ
dynamic brakes ⓘ |
| hasCabConfiguration | full-width cowl cab ⓘ |
| hasControlType | push-pull cab control ⓘ |
| hasCoupling | AAR knuckle coupler ⓘ |
| hasFeature |
AC traction motors
ⓘ
HEP alternator ⓘ head-end power ⓘ microprocessor control ⓘ |
| hasOperator | public commuter railroad ⓘ |
| hasPowerSupply | head-end power for passenger cars ⓘ |
| hasTransmission | electric ⓘ |
| introducedFor | Long Island Rail Road diesel fleet modernization ⓘ |
| locale |
Long Island
ⓘ
New York ⓘ
surface form:
New York State
|
| manufacturer |
EMD
ⓘ
Electro-Motive Division ⓘ |
| operator | Long Island Rail Road ⓘ |
| powerType | diesel-electric ⓘ |
| primaryUse | suburban commuter trains ⓘ |
| railroad | Long Island Rail Road ⓘ |
| railwaySystem |
Long Island Rail Road
ⓘ
surface form:
Long Island Rail Road diesel network
|
| serviceRole | primary diesel passenger power on LIRR ⓘ |
| serviceType | passenger ⓘ |
| trackGauge |
1,435 mm
ⓘ
4 ft 8 1⁄2 in ⓘ |
| tractionType | AC traction ⓘ |
| UICClassification | Bo′Bo′ ⓘ |
| usedInMode | heavy rail ⓘ |
| usedOnLine |
Long Island Rail Road Main Line
ⓘ
surface form:
LIRR Main Line
LIRR Montauk Branch ⓘ LIRR Oyster Bay Branch ⓘ Long Island Rail Road Port Jefferson Branch ⓘ
surface form:
LIRR Port Jefferson Branch
|
| usedOnServiceType | diesel territory commuter trains ⓘ |
| usedWith |
LIRR C3 coaches
ⓘ
LIRR bilevel coaches ⓘ |
| wheelArrangement | B-B ⓘ |
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.
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.
Subject: DE30AC locomotive Description of subject: The DE30AC locomotive is a diesel-electric passenger locomotive built by EMD for the Long Island Rail Road, designed for push-pull commuter service with head-end power.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.