British Rail Class 20
E1425617
UNEXPLORED
The British Rail Class 20 is a type of diesel-electric locomotive introduced in the late 1950s for freight and general-purpose duties on British Railways, noted for its distinctive single-cab design and reliability.
All labels observed (2)
| Label | Occurrences |
|---|---|
| British Rail Class 20 canonical | 3 |
| British Rail Class 20 fleet | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20316169 — 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 20 Context triple: [BR Derby Works, designed, British Rail Class 20]
-
A.
British Rail Class 221
The British Rail Class 221 is a fleet of high-speed diesel-electric tilting multiple units used on intercity services in the UK, closely related to the Voyager family of trains.
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B.
British Rail Class 47
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.
-
C.
British Rail Class 40
The British Rail Class 40 is a class of heavy diesel-electric locomotives built in the late 1950s and early 1960s for express passenger and freight services on British Railways, now preserved and operated on heritage lines.
-
D.
British Rail Class 171
The British Rail Class 171 is a diesel multiple unit train used primarily by Southern in the UK, closely related to the Class 170 but equipped with different coupling systems for compatibility with other Southern stock.
-
E.
British Rail Class 720
The British Rail Class 720 is a modern electric multiple unit train built for high-capacity commuter and regional services on the UK rail network.
- 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 20 Target entity description: The British Rail Class 20 is a type of diesel-electric locomotive introduced in the late 1950s for freight and general-purpose duties on British Railways, noted for its distinctive single-cab design and reliability.
-
A.
British Rail Class 221
The British Rail Class 221 is a fleet of high-speed diesel-electric tilting multiple units used on intercity services in the UK, closely related to the Voyager family of trains.
-
B.
British Rail Class 47
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.
-
C.
British Rail Class 40
The British Rail Class 40 is a class of heavy diesel-electric locomotives built in the late 1950s and early 1960s for express passenger and freight services on British Railways, now preserved and operated on heritage lines.
-
D.
British Rail Class 171
The British Rail Class 171 is a diesel multiple unit train used primarily by Southern in the UK, closely related to the Class 170 but equipped with different coupling systems for compatibility with other Southern stock.
-
E.
British Rail Class 720
The British Rail Class 720 is a modern electric multiple unit train built for high-capacity commuter and regional services on the UK rail network.
- F. None of above. chosen
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
British Rail Class 20 diesel-electric locomotives (later production and overhauls)
→
subclassOf
→
British Rail Class 20
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British Rail Class 20 diesel-electric locomotives (later production and overhauls)
→
partOf
→
British Rail Class 20 fleet
ⓘ
linked to: British Rail Class 20