British Rail Class 47
E138810
The British Rail Class 47 is a widely used diesel-electric locomotive class introduced in the 1960s, notable for its extensive service across the UK rail network with both passenger and freight trains.
All labels observed (3)
| Label | Occurrences |
|---|---|
| British Rail Class 47 canonical | 15 |
| British Rail Class 47 (early prototypes) | 1 |
| British Rail Class 47 diesel-electric locomotive | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1049651 — 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 47 Context triple: [Virgin CrossCountry, operatedRollingStock, British Rail Class 47]
-
A.
Class 379 Electrostar
The Class 379 Electrostar is a British electric multiple-unit train type built by Bombardier for high-frequency commuter and airport services, known for its modern design and passenger comfort.
-
B.
LMS Jubilee Class
The LMS Jubilee Class was a class of British steam locomotives built in the 1930s for express passenger services on the London, Midland and Scottish Railway.
-
C.
Class 390 Pendolino
The Class 390 Pendolino is a high-speed tilting electric multiple unit train used by Avanti West Coast on the West Coast Main Line in the United Kingdom.
-
D.
Class 730 Aventra
The Class 730 Aventra is a modern electric multiple unit train built by Alstom (originally Bombardier) for high-capacity, commuter and regional rail services on the UK network.
-
E.
M7 electric multiple unit
The M7 electric multiple unit is a modern commuter rail car class built for high-frequency, third-rail electrified service, notably operating on New York’s Long Island Rail Road and similar regional rail networks.
- 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 47 Target entity description: The British Rail Class 47 is a widely used diesel-electric locomotive class introduced in the 1960s, notable for its extensive service across the UK rail network with both passenger and freight trains.
-
A.
Class 379 Electrostar
The Class 379 Electrostar is a British electric multiple-unit train type built by Bombardier for high-frequency commuter and airport services, known for its modern design and passenger comfort.
-
B.
LMS Jubilee Class
The LMS Jubilee Class was a class of British steam locomotives built in the 1930s for express passenger services on the London, Midland and Scottish Railway.
-
C.
Class 390 Pendolino
The Class 390 Pendolino is a high-speed tilting electric multiple unit train used by Avanti West Coast on the West Coast Main Line in the United Kingdom.
-
D.
Class 730 Aventra
The Class 730 Aventra is a modern electric multiple unit train built by Alstom (originally Bombardier) for high-capacity, commuter and regional rail services on the UK network.
-
E.
M7 electric multiple unit
The M7 electric multiple unit is a modern commuter rail car class built for high-frequency, third-rail electrified service, notably operating on New York’s Long Island Rail Road and similar regional rail networks.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
British Rail locomotive class
ⓘ
diesel-electric locomotive class ⓘ |
| brakingSystem |
air brakes
ⓘ
vacuum brakes ⓘ |
| builder |
British Railways Crewe Works
ⓘ
linked to:
Crewe Works
Brush Traction ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| designedFor | mixed-traffic duties ⓘ |
| enteredService | early 1960s ⓘ |
| gauge | standard gauge ⓘ |
| heritageUse | preserved railways in the UK ⓘ |
| introduced |
1960s
ⓘ
1962 ⓘ |
| length | approximately 19.4 m ⓘ |
| livery |
British Rail blue
ⓘ
British Rail green ⓘ privatisation-era liveries ⓘ sectorisation liveries ⓘ |
| maximumSpeed | 95 mph ⓘ |
| nickName |
Brush Type 4
ⓘ
Duff ⓘ |
| notableFor |
large production run
ⓘ
versatility in passenger and freight roles ⓘ widespread use across the UK ⓘ |
| operator |
British Rail
ⓘ
charter train operators in the UK ⓘ freight operators in the UK ⓘ |
| powerOutput | approximately 2750 hp ⓘ |
| powerType | diesel-electric ⓘ |
| preTOPSDesignation | Brush Type 4 ⓘ |
| primeMover | Sulzer 12LDA28C ⓘ |
| productionPeriodEnd | late 1960s ⓘ |
| productionPeriodStart | early 1960s ⓘ |
| someUnitsPreserved | true ⓘ |
| successor |
British Rail Class 56
ⓘ
British Rail Class 57 ⓘ |
| totalProduced | 512 ⓘ |
| trackGauge | 1435 mm ⓘ |
| trainHeating |
electric train heating (later examples)
ⓘ
steam heating (early examples) ⓘ |
| UICClassification | Co-Co ⓘ |
| usedFor |
freight services
ⓘ
passenger services ⓘ |
| usedOn |
British Rail network
ⓘ
UK rail network ⓘ cross-country services ⓘ heavy freight trains ⓘ inter-city services ⓘ regional passenger services ⓘ |
| wheelArrangement | Co-Co ⓘ |
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 47 Description of subject: The British Rail Class 47 is a widely used diesel-electric locomotive class introduced in the 1960s, notable for its extensive service across the UK rail network with both passenger and freight trains.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: British Rail Class 47
linked to: British Rail Class 47
subject linked to:
Class 57 diesel locomotive
subject linked to:
Class 57 diesel locomotive