Perkins CV12-6A V12 diesel
E18022
The Perkins CV12-6A is a 12-cylinder turbocharged diesel engine used as the powerplant for the British Challenger 2 main battle tank.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Perkins CV12 diesel engine | 1 |
| Perkins CV12 engine family | 1 |
| Perkins CV12-6A V12 diesel canonical | 1 |
| Perkins Engines | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T149859 — 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: Perkins CV12-6A V12 diesel Context triple: [Challenger 2, engine, Perkins CV12-6A V12 diesel]
-
A.
Rolls-Royce Griffon
The Rolls-Royce Griffon is a powerful British liquid-cooled V12 aero engine developed during World War II, best known for powering later, high-performance variants of the Supermarine Spitfire and other Royal Air Force aircraft.
-
B.
Rolls-Royce Merlin
The Rolls-Royce Merlin is a British liquid-cooled V12 piston aero engine renowned for powering iconic World War II aircraft such as the Spitfire, Hurricane, and Lancaster.
-
C.
Eurojet EJ200
The Eurojet EJ200 is a modern afterburning turbofan jet engine developed for high-performance fighter aircraft, most notably powering the Eurofighter Typhoon.
-
D.
Packard
Packard is a surname most prominently associated with David Packard, the American electrical engineer and co-founder of Hewlett-Packard.
-
E.
Pratt & Whitney F135 engine
The Pratt & Whitney F135 engine is a high-performance turbofan developed for the F-35 Lightning II, notable for its advanced thrust, stealth, and (in the F-35B variant) short takeoff/vertical landing capabilities.
- 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: Perkins CV12-6A V12 diesel Target entity description: The Perkins CV12-6A is a 12-cylinder turbocharged diesel engine used as the powerplant for the British Challenger 2 main battle tank.
-
A.
Rolls-Royce Griffon
The Rolls-Royce Griffon is a powerful British liquid-cooled V12 aero engine developed during World War II, best known for powering later, high-performance variants of the Supermarine Spitfire and other Royal Air Force aircraft.
-
B.
Rolls-Royce Merlin
The Rolls-Royce Merlin is a British liquid-cooled V12 piston aero engine renowned for powering iconic World War II aircraft such as the Spitfire, Hurricane, and Lancaster.
-
C.
Eurojet EJ200
The Eurojet EJ200 is a modern afterburning turbofan jet engine developed for high-performance fighter aircraft, most notably powering the Eurofighter Typhoon.
-
D.
Packard
Packard is a surname most prominently associated with David Packard, the American electrical engineer and co-founder of Hewlett-Packard.
-
E.
Pratt & Whitney F135 engine
The Pratt & Whitney F135 engine is a high-performance turbofan developed for the F-35 Lightning II, notable for its advanced thrust, stealth, and (in the F-35B variant) short takeoff/vertical landing capabilities.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
V12 engine
ⓘ
diesel engine ⓘ tank engine ⓘ |
| application | main battle tank powerplant ⓘ |
| aspiration | turbocharged ⓘ |
| associatedVehicleWeightClass | around 60-ton tanks ⓘ |
| canUseFuel | military diesel ⓘ |
| configuration | V12 ⓘ |
| coolingSystem | liquid-cooled ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| cylinders | 12 ⓘ |
| designedFor | high torque at low engine speed ⓘ |
| displacement | about 26 litres ⓘ |
| drivetrainRole | drives Challenger 2 powerpack ⓘ |
| emissionsControl | military, non-road standard ⓘ |
| era | late 20th century ⓘ |
| family |
Perkins CV12 engine family
ⓘ
linked to:
Perkins CV12-6A V12 diesel
|
| fuelSystem | direct injection ⓘ |
| fuelType | diesel ⓘ |
| governingStandard | military vehicle engine ⓘ |
| intendedUse | armoured fighting vehicles ⓘ |
| layout | 90-degree V ⓘ |
| manufacturer |
Perkins Engines
ⓘ
linked to:
Perkins CV12-6A V12 diesel
|
| mounting | rear-mounted in hull ⓘ |
| notableUserPlatform | Challenger 2 main battle tank ⓘ |
| pairedWith | David Brown TN54E transmission ⓘ |
| powerOutput |
about 1200 hp
ⓘ
approximately 895 kW ⓘ |
| primaryFuel | diesel fuel ⓘ |
| roleInVehicle | main propulsion engine ⓘ |
| starterType | electric start ⓘ |
| usedByBranch | British Army ⓘ |
| usedByCountry | United Kingdom ⓘ |
| usedInVehicle |
Challenger 2
ⓘ
linked to:
Challenger 2 main battle tank
|
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: Perkins CV12-6A V12 diesel Description of subject: The Perkins CV12-6A is a 12-cylinder turbocharged diesel engine used as the powerplant for the British Challenger 2 main battle tank.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Challenger 2 main battle tank
subject linked to:
Perkins CV12-6A V12 diesel
linked to: Perkins CV12-6A V12 diesel
subject linked to:
Perkins CV12-6A V12 diesel
linked to: Perkins CV12-6A V12 diesel
linked to: Perkins CV12-6A V12 diesel