British Rail Class 86
E534495
The British Rail Class 86 is a class of electric locomotives introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes in the UK.
All labels observed (1)
| Label | Occurrences |
|---|---|
| British Rail Class 86 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5501729 — 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: British Rail Class 86 Context triple: [Rail Express Systems, usedRollingStock, British Rail Class 86]
-
A.
British Rail Class 168
The British Rail Class 168 is a diesel multiple-unit train used primarily by Chiltern Railways for regional and intercity services in the United Kingdom.
-
B.
British Rail Class 373
The British Rail Class 373 is a high-speed electric multiple unit train designed for cross-Channel services through the Channel Tunnel, primarily operated by Eurostar between the UK and mainland Europe.
-
C.
British Rail Class 377
The British Rail Class 377 is a fleet of electric multiple-unit commuter trains widely used in southeast England, particularly by Govia Thameslink Railway services.
-
D.
British Rail Class 172
The British Rail Class 172 is a diesel multiple-unit train used on regional and suburban services in the UK, featuring improved performance, reliability, and passenger comfort over earlier Turbostar units.
-
E.
British Rail Class 387
The British Rail Class 387 is a fleet of modern electric multiple-unit trains used on high-speed commuter and airport services in the UK.
- 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: British Rail Class 86 Target entity description: The British Rail Class 86 is a class of electric locomotives introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes in the UK.
-
A.
British Rail Class 168
The British Rail Class 168 is a diesel multiple-unit train used primarily by Chiltern Railways for regional and intercity services in the United Kingdom.
-
B.
British Rail Class 373
The British Rail Class 373 is a high-speed electric multiple unit train designed for cross-Channel services through the Channel Tunnel, primarily operated by Eurostar between the UK and mainland Europe.
-
C.
British Rail Class 377
The British Rail Class 377 is a fleet of electric multiple-unit commuter trains widely used in southeast England, particularly by Govia Thameslink Railway services.
-
D.
British Rail Class 172
The British Rail Class 172 is a diesel multiple-unit train used on regional and suburban services in the UK, featuring improved performance, reliability, and passenger comfort over earlier Turbostar units.
-
E.
British Rail Class 387
The British Rail Class 387 is a fleet of modern electric multiple-unit trains used on high-speed commuter and airport services in the UK.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf | electric locomotive class ⓘ |
| brakeType | air brakes ⓘ |
| builder |
British Railways Crewe Works
NERFINISHED
ⓘ
British Railways Doncaster Works NERFINISHED ⓘ English Electric NERFINISHED ⓘ |
| configuration | dual-purpose ⓘ |
| country | United Kingdom ⓘ |
| designedFor | West Coast Main Line NERFINISHED ⓘ |
| electricSystem | 25 kV AC overhead ⓘ |
| family | AC electric locomotives ⓘ |
| gauge | standard gauge ⓘ |
| introduced |
1960s
ⓘ
1965 ⓘ |
| laterNumbering | 86001–86260 ⓘ |
| lengthOverBuffers | 17.8 m ⓘ |
| nickname | AL6 NERFINISHED ⓘ |
| numbering | E3101–E3200 ⓘ |
| operator |
Abellio Greater Anglia
NERFINISHED
ⓘ
Anglia Railways NERFINISHED ⓘ British Rail NERFINISHED ⓘ Bulgarian State Railways NERFINISHED ⓘ CFR Marfa NERFINISHED ⓘ DB Schenker NERFINISHED ⓘ EWS NERFINISHED ⓘ Freightliner NERFINISHED ⓘ GB Railfreight NERFINISHED ⓘ Rail Operations Group NERFINISHED ⓘ Virgin Trains NERFINISHED ⓘ |
| powerOutput |
2700 kW
ⓘ
3600 hp ⓘ |
| primaryVoltage | 25 kV AC ⓘ |
| productionEnd | 1966 ⓘ |
| productionStart | 1965 ⓘ |
| railwayAdministration | British Railways NERFINISHED ⓘ |
| route |
Great Eastern Main Line
NERFINISHED
ⓘ
West Coast Main Line NERFINISHED ⓘ |
| serviceEntry | 1965 ⓘ |
| successor |
British Rail Class 87
NERFINISHED
ⓘ
British Rail Class 90 NERFINISHED ⓘ |
| topSpeed |
100 mph
ⓘ
160 km/h ⓘ |
| totalProduced | 100 ⓘ |
| tractionType | electric ⓘ |
| trainHeating | electric train heating ⓘ |
| UICClassification | Bo-Bo ⓘ |
| usedFor |
freight services
ⓘ
passenger services ⓘ |
| usedOn |
container freight services
ⓘ
inter-city services ⓘ |
| weight | 81 t ⓘ |
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: British Rail Class 86 Description of subject: The British Rail Class 86 is a class of electric locomotives introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes in the UK.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Anglia Railways