GE ES44AC
E702602
The GE ES44AC is a high-horsepower, AC-traction diesel-electric freight locomotive from General Electric’s Evolution Series, widely used by North American railroads for heavy-haul service.
All labels observed (1)
| Label | Occurrences |
|---|---|
| GE ES44AC canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7972863 — 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 ES44AC Context triple: [General Electric Transportation, notableLocomotiveModel, GE ES44AC]
-
A.
GE P42DC
The GE P42DC is a diesel-electric passenger locomotive built by General Electric, widely used by Amtrak across the United States for long-distance and intercity services.
-
B.
GE P32AC-DM
The GE P32AC-DM is a dual-mode diesel-electric locomotive used primarily in the northeastern United States, capable of operating on both diesel power and third-rail electric power for routes that include non-electrified and electrified track segments.
-
C.
GE-645
GE-645 was a mainframe computer system developed by General Electric in the 1960s, notable for its advanced hardware support for time-sharing and virtual memory used in early operating systems research.
-
D.
GE P40DC
The GE P40DC is a diesel-electric passenger locomotive built by General Electric, commonly used in North American intercity and commuter rail service.
-
E.
AEG
AEG is a historic German electrical engineering and electronics company known for its pioneering role in power systems, appliances, and industrial technology.
- 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 ES44AC Target entity description: The GE ES44AC is a high-horsepower, AC-traction diesel-electric freight locomotive from General Electric’s Evolution Series, widely used by North American railroads for heavy-haul service.
-
A.
GE P42DC
The GE P42DC is a diesel-electric passenger locomotive built by General Electric, widely used by Amtrak across the United States for long-distance and intercity services.
-
B.
GE P32AC-DM
The GE P32AC-DM is a dual-mode diesel-electric locomotive used primarily in the northeastern United States, capable of operating on both diesel power and third-rail electric power for routes that include non-electrified and electrified track segments.
-
C.
GE-645
GE-645 was a mainframe computer system developed by General Electric in the 1960s, notable for its advanced hardware support for time-sharing and virtual memory used in early operating systems research.
-
D.
GE P40DC
The GE P40DC is a diesel-electric passenger locomotive built by General Electric, commonly used in North American intercity and commuter rail service.
-
E.
AEG
AEG is a historic German electrical engineering and electronics company known for its pioneering role in power systems, appliances, and industrial technology.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
AC-traction locomotive
ⓘ
Evolution Series locomotive ⓘ diesel-electric locomotive ⓘ |
| aspiration | turbocharged ⓘ |
| brakeType | air brake ⓘ |
| configuration | single-cab road locomotive ⓘ |
| control | microprocessor-based control system ⓘ |
| countryOfOperation |
Canada
NERFINISHED
ⓘ
United States of America ⓘ
surface form:
United States
|
| cylinderCount | 12 ⓘ |
| dynamicBrakes | yes ⓘ |
| emissionsStandard | EPA Tier 2 NERFINISHED ⓘ |
| engineType | four-stroke diesel ⓘ |
| family | GEVO locomotives NERFINISHED ⓘ |
| fuelType | diesel fuel ⓘ |
| gauge | standard gauge ⓘ |
| introduced | mid-2000s ⓘ |
| introducedAsPartOf | EPA Tier 2 compliant Evolution Series NERFINISHED ⓘ |
| locationOfManufacture |
Erie, Pennsylvania
NERFINISHED
ⓘ
Fort Worth, Texas NERFINISHED ⓘ |
| manufacturer |
GE Transportation
NERFINISHED
ⓘ
General Electric NERFINISHED ⓘ |
| market | North America ⓘ |
| notableFeature |
high tractive effort for heavy-haul service
ⓘ
improved fuel efficiency compared to earlier GE models ⓘ reduced emissions compared to Dash 9 series ⓘ |
| operator |
BNSF Railway
NERFINISHED
ⓘ
CSX Transportation NERFINISHED ⓘ Canadian National Railway NERFINISHED ⓘ Canadian Pacific Railway NERFINISHED ⓘ Kansas City Southern Railway NERFINISHED ⓘ Norfolk Southern Railway NERFINISHED ⓘ Union Pacific Railroad NERFINISHED ⓘ |
| powerType | diesel-electric ⓘ |
| primaryUse |
freight service
ⓘ
heavy-haul service ⓘ |
| primeMover | GEVO-12 NERFINISHED ⓘ |
| region | North American freight rail network NERFINISHED ⓘ |
| series | GE Evolution Series NERFINISHED ⓘ |
| successorTo | GE AC4400CW NERFINISHED ⓘ |
| tractionType | AC ⓘ |
| transmission | AC electric ⓘ |
| UICClassification | Co-Co ⓘ |
| usedFor |
intermodal freight trains
ⓘ
mixed freight trains ⓘ unit coal trains ⓘ |
| wheelArrangement | C-C ⓘ |
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 ES44AC Description of subject: The GE ES44AC is a high-horsepower, AC-traction diesel-electric freight locomotive from General Electric’s Evolution Series, widely used by North American railroads for heavy-haul service.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.