GE Dash 9 series locomotives
E710036
GE Dash 9 series locomotives are high-horsepower diesel-electric freight locomotives built by General Electric in the 1990s, widely used by North American railroads for heavy mainline service.
All labels observed (6)
| Label | Occurrences |
|---|---|
| GE Dash 9 Series | 3 |
| GE Dash 9 series locomotives canonical | 2 |
| GE Dash 9 / GE Evolution precursor | 1 |
| GE Dash 9 family | 1 |
| GE Dash 9 series | 1 |
| GE Dash series locomotives | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7972803 — 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 Dash 9 series locomotives Context triple: [GE 7FDL16, usedIn, GE Dash 9 series locomotives]
-
A.
GE Dash 8 series locomotives
GE Dash 8 series locomotives are a family of four- and six-axle diesel-electric freight and passenger locomotives built by General Electric in the 1980s and 1990s, known for their angular “Dash 8” carbody styling and widespread use by North American railroads.
-
B.
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.
-
C.
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.
-
D.
EMC/EMD diesel locomotives
EMC/EMD diesel locomotives are a family of North American diesel-electric engines built by Electro-Motive Corporation/Division that played a major role in replacing steam power on many railroads.
-
E.
EMD GP9 locomotive
The EMD GP9 locomotive is a widely used four-axle diesel-electric road switcher built in the 1950s that became one of North America's most successful and versatile freight and passenger locomotives.
- 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 Dash 9 series locomotives Target entity description: GE Dash 9 series locomotives are high-horsepower diesel-electric freight locomotives built by General Electric in the 1990s, widely used by North American railroads for heavy mainline service.
-
A.
GE Dash 8 series locomotives
GE Dash 8 series locomotives are a family of four- and six-axle diesel-electric freight and passenger locomotives built by General Electric in the 1980s and 1990s, known for their angular “Dash 8” carbody styling and widespread use by North American railroads.
-
B.
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.
-
C.
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.
-
D.
EMC/EMD diesel locomotives
EMC/EMD diesel locomotives are a family of North American diesel-electric engines built by Electro-Motive Corporation/Division that played a major role in replacing steam power on many railroads.
-
E.
EMD GP9 locomotive
The EMD GP9 locomotive is a widely used four-axle diesel-electric road switcher built in the 1950s that became one of North America's most successful and versatile freight and passenger locomotives.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | diesel-electric locomotive series ⓘ |
| axleConfiguration | six-axle ⓘ |
| brakeType | air brakes ⓘ |
| brakingFeature | dynamic braking ⓘ |
| builder | General Electric ⓘ |
| configurationFeature | wide-nose safety cab on -9W variants ⓘ |
| controlType | microprocessor control ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| designedFor |
heavy freight trains
ⓘ
long-distance mainline operation ⓘ |
| engineType |
GE 7FDL diesel engine
ⓘ
linked to:
GE 7FDL16
|
| era | late 20th century ⓘ |
| family |
GE Dash series locomotives
ⓘ
linked to:
GE Dash 9 series locomotives
|
| fuelType | diesel fuel ⓘ |
| gauge | standard gauge ⓘ |
| introducedInDecade | 1990s ⓘ |
| manufacturer | General Electric Transportation ⓘ |
| market |
North American freight railroads
ⓘ
linked to:
North American rail network
|
| marketRole | successor to GE Dash 8 series locomotives ⓘ |
| notableModel |
GE C40-9
ⓘ
GE C40-9W ⓘ
linked to:
GE C40-9
GE C44-9W ⓘ |
| operator |
BNSF Railway
ⓘ
CSX Transportation ⓘ Canadian National Railway ⓘ Canadian Pacific Railway ⓘ Ferromex ⓘ Norfolk Southern Railway ⓘ Union Pacific Railroad ⓘ other North American freight railroads ⓘ |
| powerType | diesel-electric ⓘ |
| primaryUse | freight service ⓘ |
| regionOfOperation |
Canada
ⓘ
Mexico ⓘ United States ⓘ
linked to:
United States of America
|
| serviceType | heavy mainline freight ⓘ |
| successor |
GE Evolution Series locomotives
ⓘ
linked to:
Evolution Series locomotive
|
| technologyFeature |
computerized engine management
ⓘ
microprocessor-based wheel slip control ⓘ |
| tractionMotors | DC traction motors ⓘ |
| transmission | AC-DC electric transmission ⓘ |
| typicalHorsepowerRange | 4000–4400 horsepower ⓘ |
| typicalMaximumSpeed | about 70 mph ⓘ |
| 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 Dash 9 series locomotives Description of subject: GE Dash 9 series locomotives are high-horsepower diesel-electric freight locomotives built by General Electric in the 1990s, widely used by North American railroads for heavy mainline service.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: GE Dash 9 series locomotives
subject linked to:
GE AC4400CW locomotives
linked to: GE Dash 9 series locomotives
linked to: GE Dash 9 series locomotives
linked to: GE Dash 9 series locomotives
linked to: GE Dash 9 series locomotives
linked to: GE Dash 9 series locomotives
linked to: GE Dash 9 series locomotives