GE P40DC locomotives
E946715
GE P40DC locomotives are diesel-electric passenger locomotives built by General Electric in the early 1990s, primarily used by Amtrak as part of its Genesis series.
All labels observed (2)
| Label | Occurrences |
|---|---|
| GE Genesis locomotives | 1 |
| GE P40DC locomotives canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11735532 — 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: GE P40DC locomotives Context triple: [Amtrak Siemens Charger locomotives, replaces, GE P40DC locomotives]
-
A.
GE P42DC locomotives
GE P42DC locomotives are diesel-electric passenger locomotives built by General Electric, widely used across North American intercity rail services for their reliability and high-speed capabilities.
-
B.
GE AC4400CW locomotives
GE AC4400CW locomotives are heavy-duty, six-axle diesel-electric freight locomotives built by General Electric, widely used in North America for high-horsepower mainline service.
-
C.
GE U-series locomotives
GE U-series locomotives are a family of diesel-electric freight and passenger locomotives built by General Electric from the 1960s onward, known for their high horsepower and widespread use on railroads around the world.
-
D.
EMD DM30AC locomotives
EMD DM30AC locomotives are dual-mode diesel-electric locomotives built for the Long Island Rail Road, capable of operating in both diesel and third-rail electric modes to serve non-electrified and electrified territory.
-
E.
GE Dash 7 series locomotives
GE Dash 7 series locomotives are a family of diesel-electric freight and passenger locomotives built by General Electric in the late 1970s and 1980s, known for their improved performance and reliability over the earlier Universal Series.
- 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: GE P40DC locomotives Target entity description: GE P40DC locomotives are diesel-electric passenger locomotives built by General Electric in the early 1990s, primarily used by Amtrak as part of its Genesis series.
-
A.
GE P42DC locomotives
GE P42DC locomotives are diesel-electric passenger locomotives built by General Electric, widely used across North American intercity rail services for their reliability and high-speed capabilities.
-
B.
GE AC4400CW locomotives
GE AC4400CW locomotives are heavy-duty, six-axle diesel-electric freight locomotives built by General Electric, widely used in North America for high-horsepower mainline service.
-
C.
GE U-series locomotives
GE U-series locomotives are a family of diesel-electric freight and passenger locomotives built by General Electric from the 1960s onward, known for their high horsepower and widespread use on railroads around the world.
-
D.
EMD DM30AC locomotives
EMD DM30AC locomotives are dual-mode diesel-electric locomotives built for the Long Island Rail Road, capable of operating in both diesel and third-rail electric modes to serve non-electrified and electrified territory.
-
E.
GE Dash 7 series locomotives
GE Dash 7 series locomotives are a family of diesel-electric freight and passenger locomotives built by General Electric in the late 1970s and 1980s, known for their improved performance and reliability over the earlier Universal Series.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
diesel-electric passenger locomotive
ⓘ
locomotive model ⓘ |
| AARWheelArrangement | B-B ⓘ |
| bodyStyle | monocoque carbody ⓘ |
| brakeType | air brakes ⓘ |
| buildDateEnd | 1993 ⓘ |
| buildDateStart | 1993 ⓘ |
| builder | General Electric Erie plant NERFINISHED ⓘ |
| builderModel | P40DC ⓘ |
| cabDesign | full-width cowl ⓘ |
| controlType | multiple-unit capable ⓘ |
| countryOfOperation |
Canada
NERFINISHED
ⓘ
United States of America ⓘ
surface form:
United States
|
| cylinderCount | 16 ⓘ |
| designedFor | North American passenger railroads ⓘ |
| engineType | four-stroke diesel ⓘ |
| family | Genesis NERFINISHED ⓘ |
| fuelType | diesel fuel ⓘ |
| gauge | 1,435 mm standard gauge ⓘ |
| introduced | 1993 ⓘ |
| length | approximately 69 ft ⓘ |
| manufacturer | General Electric Transportation NERFINISHED ⓘ |
| numberInClass | 44 ⓘ |
| operator |
Amtrak
ⓘ
CSX Transportation (leased for work trains, ex-Amtrak units) NERFINISHED ⓘ Connecticut Department of Transportation (CDOT) NERFINISHED ⓘ New Jersey Transit (leased/secondhand) NERFINISHED ⓘ Via Rail Canada NERFINISHED ⓘ |
| operatorFleetName | Genesis GENERATED ⓘ |
| originalOwner | Amtrak NERFINISHED ⓘ |
| partOfSeries | GE Genesis series NERFINISHED ⓘ |
| powerOutput | 4,000 hp ⓘ |
| powerType | diesel-electric ⓘ |
| primaryUse |
intercity passenger service
ⓘ
long-distance passenger trains ⓘ |
| primeMover | GE 7FDL16 NERFINISHED ⓘ |
| relatedModel |
GE P32AC-DM
NERFINISHED
ⓘ
GE P42DC ⓘ |
| successor |
GE P32AC-DM
ⓘ
GE P42DC ⓘ |
| topSpeed | 103 mph ⓘ |
| traction | DC traction motors ⓘ |
| tractionMotors | DC ⓘ |
| trainHeating | head-end power ⓘ |
| UICClassification | Bo-Bo ⓘ |
| usedOnService |
Amtrak corridor services
NERFINISHED
ⓘ
Amtrak long-distance routes ⓘ |
| weight | approximately 268,000 lb ⓘ |
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: GE P40DC locomotives Description of subject: GE P40DC locomotives are diesel-electric passenger locomotives built by General Electric in the early 1990s, primarily used by Amtrak as part of its Genesis series.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
GE Genesis locomotives