P40DC
E940420
The P40DC is a diesel-electric passenger locomotive built by General Electric for Amtrak’s long-distance and intercity services in the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| P40DC canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11676104 — 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: P40DC Context triple: [Amtrak General Electric Genesis locomotives, hasModel, P40DC]
-
A.
P42DC
The P42DC is a General Electric-built diesel-electric passenger locomotive widely used by Amtrak across the United States.
-
B.
D40
D40 is the third-generation Nissan Navara mid-size pickup truck platform produced globally in the mid-2000s to 2010s.
-
C.
CD340
CD340 is an alternative name for the human epidermal growth factor receptor 2 (HER2), a cell surface receptor tyrosine kinase often overexpressed in certain aggressive breast and gastric cancers.
-
D.
C40
C40 is a global network of major cities collaborating to address climate change and drive urban climate leadership.
-
E.
GP40PH-2
The GP40PH-2 is a rebuilt passenger diesel-electric locomotive, derived from the EMD GP40 freight design and equipped with head-end power for commuter rail service.
- 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: P40DC Target entity description: The P40DC is a diesel-electric passenger locomotive built by General Electric for Amtrak’s long-distance and intercity services in the United States.
-
A.
P42DC
The P42DC is a General Electric-built diesel-electric passenger locomotive widely used by Amtrak across the United States.
-
B.
D40
D40 is the third-generation Nissan Navara mid-size pickup truck platform produced globally in the mid-2000s to 2010s.
-
C.
CD340
CD340 is an alternative name for the human epidermal growth factor receptor 2 (HER2), a cell surface receptor tyrosine kinase often overexpressed in certain aggressive breast and gastric cancers.
-
D.
C40
C40 is a global network of major cities collaborating to address climate change and drive urban climate leadership.
-
E.
GP40PH-2
The GP40PH-2 is a rebuilt passenger diesel-electric locomotive, derived from the EMD GP40 freight design and equipped with head-end power for commuter rail service.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
diesel-electric locomotive
ⓘ
passenger locomotive ⓘ |
| brakeSystem | dynamic brakes ⓘ |
| brakeType | air brakes ⓘ |
| builder |
GE Transportation
ⓘ
linked to:
General Electric Transportation
|
| builderLocation | Erie, Pennsylvania ⓘ |
| builderModelDesignation |
AMD-103
ⓘ
linked to:
AMD-103 P40DC
|
| category |
Amtrak locomotives
ⓘ
GE locomotives ⓘ
linked to:
General Electric locomotives
|
| countryOfOperation |
United States
ⓘ
linked to:
United States of America
|
| designedFor |
Amtrak intercity trains
ⓘ
Amtrak long-distance trains ⓘ
linked to:
Amtrak long-distance routes
|
| designedForSignalingSystems | North American railroad signaling ⓘ |
| engineType | GE 7FDL16 ⓘ |
| enteredServiceWith | Amtrak ⓘ |
| family |
GE Genesis
ⓘ
linked to:
GE Genesis series
|
| fuelCapacity | approximately 1800 US gallons ⓘ |
| fuelType | diesel fuel ⓘ |
| gauge | standard gauge ⓘ |
| hasCabDesign | monocoque carbody ⓘ |
| hasControlStand | desktop control stand ⓘ |
| introduced | early 1990s ⓘ |
| length | approximately 69 ft ⓘ |
| locomotiveConfiguration | single-cab ⓘ |
| manufacturer | General Electric ⓘ |
| market | North American passenger rail market ⓘ |
| modelSeries | Genesis Series I ⓘ |
| operator |
Amtrak
ⓘ
Via Rail (short-term lease, historical) ⓘ
linked to:
Via Rail
|
| powerOutput | 4000 hp ⓘ |
| powerType | diesel-electric ⓘ |
| primaryUse |
intercity passenger service
ⓘ
long-distance passenger service ⓘ |
| primeMover | GE 7FDL16 ⓘ |
| successorModel |
P32AC-DM
ⓘ
P42DC ⓘ |
| topSpeed |
103 mph
ⓘ
166 km/h ⓘ |
| trackGauge | 1435 mm ⓘ |
| tractionMotors | DC traction motors ⓘ |
| tractionType | adhesion ⓘ |
| trainHeating | head-end power ⓘ |
| transmission | electric ⓘ |
| UICClassification | Bo′Bo′ ⓘ |
| usedOn |
Amtrak corridor routes
ⓘ
Amtrak long-distance routes ⓘ |
| weight | approximately 268,000 lb ⓘ |
| 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.
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: P40DC Description of subject: The P40DC is a diesel-electric passenger locomotive built by General Electric for Amtrak’s long-distance and intercity services in the United States.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.