GE AC4400CW locomotives
E702598
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| GE AC4400CW locomotives canonical | 1 |
| GE C44-9W locomotives | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7972804 — 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 AC4400CW locomotives Context triple: [GE 7FDL16, usedIn, GE AC4400CW 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.
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.
-
C.
ACS-64 locomotives
ACS-64 locomotives are modern electric locomotives built by Siemens for Amtrak, designed for high-speed passenger service on the electrified portions of the U.S. Northeast Corridor.
-
D.
Amtrak General Electric Genesis locomotives
Amtrak General Electric Genesis locomotives are a series of diesel-electric passenger locomotives built by GE for Amtrak, widely used across its intercity routes in the United States.
-
E.
EMD SD70 series locomotives
The EMD SD70 series locomotives are a family of high-horsepower, six-axle diesel-electric freight locomotives widely used by North American railroads since the 1990s for heavy mainline 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: GE AC4400CW locomotives Target entity description: 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.
-
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.
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.
-
C.
ACS-64 locomotives
ACS-64 locomotives are modern electric locomotives built by Siemens for Amtrak, designed for high-speed passenger service on the electrified portions of the U.S. Northeast Corridor.
-
D.
Amtrak General Electric Genesis locomotives
Amtrak General Electric Genesis locomotives are a series of diesel-electric passenger locomotives built by GE for Amtrak, widely used across its intercity routes in the United States.
-
E.
EMD SD70 series locomotives
The EMD SD70 series locomotives are a family of high-horsepower, six-axle diesel-electric freight locomotives widely used by North American railroads since the 1990s for heavy mainline service.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
diesel-electric locomotive
ⓘ
six-axle locomotive ⓘ |
| axleCount | 6 ⓘ |
| bogieConfiguration | two three-axle trucks ⓘ |
| brakeType | air brakes ⓘ |
| builder |
GE Erie Plant
ⓘ
linked to:
GE Erie Works
|
| builderModelFamily |
GE Dash 9 / GE Evolution precursor
ⓘ
linked to:
GE Dash 9 series locomotives
|
| cabType | wide-nose safety cab ⓘ |
| configurationCodeMeaning |
4400 = 4400 horsepower
ⓘ
AC = AC traction ⓘ C = C-C wheel arrangement ⓘ W = wide-nose North American cab ⓘ |
| controlType | microprocessor control ⓘ |
| countryOfOperation |
Canada
ⓘ
United States ⓘ
linked to:
United States of America
|
| cylinderCount | 16 ⓘ |
| designedFor |
North American loading gauge
ⓘ
heavy-haul freight ⓘ |
| dynamicBrakes | yes ⓘ |
| emissionsStandard | pre-EPA Tier 2 ⓘ |
| engineType |
GE 7FDL-16
ⓘ
linked to:
GE 7FDL16
|
| fuelType | diesel fuel ⓘ |
| gauge | standard gauge ⓘ |
| horsepower | 4400 hp ⓘ |
| introduced | 1993 ⓘ |
| manufacturer | General Electric Transportation ⓘ |
| market | North American freight railroads ⓘ |
| notableFeature |
AC traction in high-horsepower freight service
ⓘ
high tractive effort for heavy trains ⓘ |
| operator |
BNSF Railway
ⓘ
CSX Transportation ⓘ Canadian National Railway ⓘ Canadian Pacific Railway ⓘ Norfolk Southern Railway ⓘ Union Pacific Railroad ⓘ |
| powerType | diesel-electric ⓘ |
| primaryUse |
freight service
ⓘ
mainline service ⓘ |
| primeMoverManufacturer | General Electric ⓘ |
| productionEnd | 2004 ⓘ |
| productionStart | 1993 ⓘ |
| regionOfOperation | North America ⓘ |
| successor | GE ES44AC ⓘ |
| tractionType | AC traction ⓘ |
| transmission | electric ⓘ |
| UICClassification | Co′Co′ ⓘ |
| usedFor |
intermodal 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 AC4400CW locomotives Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.