Sulzer 12LDA28C
E575310
The Sulzer 12LDA28C is a turbocharged 12-cylinder diesel engine widely used in mid-20th-century British mainline locomotives.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sulzer 12LDA28C canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6208637 — 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: Sulzer 12LDA28C Context triple: [British Rail Class 47, primeMover, Sulzer 12LDA28C]
-
A.
Voith
Voith is a German multinational engineering company known for its technologies and services in sectors such as energy, paper, raw materials, and transportation.
-
B.
MAN Engines
MAN Engines is a division of MAN specializing in the development and production of high-performance diesel and gas engines for applications such as commercial vehicles, marine vessels, and industrial machinery.
-
C.
Perkins CV12-6A V12 diesel
The Perkins CV12-6A is a 12-cylinder turbocharged diesel engine used as the powerplant for the British Challenger 2 main battle tank.
-
D.
SACM V8X-1500 Hyperbar diesel engine
The SACM V8X-1500 Hyperbar diesel engine is a high-performance, hyperbar turbocharged diesel powerplant developed to provide the French Leclerc main battle tank with exceptional mobility and acceleration.
-
E.
GE 7FDL16
The GE 7FDL16 is a 16-cylinder diesel engine widely used as the main powerplant in General Electric 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: Sulzer 12LDA28C Target entity description: The Sulzer 12LDA28C is a turbocharged 12-cylinder diesel engine widely used in mid-20th-century British mainline locomotives.
-
A.
Voith
Voith is a German multinational engineering company known for its technologies and services in sectors such as energy, paper, raw materials, and transportation.
-
B.
MAN Engines
MAN Engines is a division of MAN specializing in the development and production of high-performance diesel and gas engines for applications such as commercial vehicles, marine vessels, and industrial machinery.
-
C.
Perkins CV12-6A V12 diesel
The Perkins CV12-6A is a 12-cylinder turbocharged diesel engine used as the powerplant for the British Challenger 2 main battle tank.
-
D.
SACM V8X-1500 Hyperbar diesel engine
The SACM V8X-1500 Hyperbar diesel engine is a high-performance, hyperbar turbocharged diesel powerplant developed to provide the French Leclerc main battle tank with exceptional mobility and acceleration.
-
E.
GE 7FDL16
The GE 7FDL16 is a 16-cylinder diesel engine widely used as the main powerplant in General Electric locomotives.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | diesel engine ⓘ |
| application | railway traction ⓘ |
| aspiration | turbocharged ⓘ |
| configuration | V12 ⓘ |
| coolingSystem | liquid-cooled ⓘ |
| countryOfUse | United Kingdom NERFINISHED ⓘ |
| currentUse | heritage railway locomotives ⓘ |
| cycle | four-stroke ⓘ |
| designFamily | Sulzer LDA28 series NERFINISHED ⓘ |
| displacementPerCylinder | approximately 28 litres ⓘ |
| engineLayout | V-type ⓘ |
| engineSeries | LDA28C NERFINISHED ⓘ |
| era | mid-20th century ⓘ |
| fuelType | diesel ⓘ |
| industry | rail transport ⓘ |
| introducedInDecade | 1950s ⓘ |
| licenceBuilt | United Kingdom NERFINISHED ⓘ |
| manufacturer | Sulzer NERFINISHED ⓘ |
| market | mainline locomotives ⓘ |
| notableFeature |
high power-to-weight ratio for its era
ⓘ
turbocharging for improved efficiency ⓘ |
| notableFor |
characteristic exhaust note
ⓘ
widespread use in British Rail diesel fleet ⓘ |
| notableOperator |
British Railways Eastern Region
NERFINISHED
ⓘ
British Railways Midland Region NERFINISHED ⓘ |
| numberOfCylinders | 12 ⓘ |
| originCountry | Switzerland NERFINISHED ⓘ |
| pistonStrokeCycle | compression-ignition ⓘ |
| powerTransmission | diesel-electric ⓘ |
| primaryRole |
mainline freight services
ⓘ
mainline passenger services ⓘ |
| railwayRegion | British mainline network ⓘ |
| status | largely withdrawn from regular service ⓘ |
| successor | Sulzer 12LDA28B (improved variants and derivatives) NERFINISHED ⓘ |
| usedBy |
British Rail
NERFINISHED
ⓘ
British Railways NERFINISHED ⓘ |
| usedIn |
British Rail Class 44
NERFINISHED
ⓘ
British Rail Class 45 NERFINISHED ⓘ British Rail Class 46 NERFINISHED ⓘ British Rail Class 47 (early prototypes) NERFINISHED ⓘ British Rail Class 48 NERFINISHED ⓘ British Rail Class 49 (prototype) NERFINISHED ⓘ British Rail Peaks (Classes 44, 45, 46) NERFINISHED ⓘ British Railways mainline diesel locomotives ⓘ English Electric-built locomotives (selected classes under Sulzer licence) ⓘ diesel-electric locomotives ⓘ |
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: Sulzer 12LDA28C Description of subject: The Sulzer 12LDA28C is a turbocharged 12-cylinder diesel engine widely used in mid-20th-century British mainline locomotives.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.