Sulzer 12LDA28C

E575310

diesel engine

The Sulzer 12LDA28C is a turbocharged 12-cylinder diesel engine widely used in mid-20th-century British mainline locomotives.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (3)

Label	Occurrences
Sulzer 12LDA28B (improved variants and derivatives)	1
Sulzer 12LDA28C canonical	1
Sulzer LDA28 series	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 ⓘ
currentUse	heritage railway locomotives ⓘ
cycle	four-stroke ⓘ
designFamily	Sulzer LDA28 series ⓘ linked to: Sulzer 12LDA28C
displacementPerCylinder	approximately 28 litres ⓘ
engineLayout	V-type ⓘ
engineSeries	LDA28C ⓘ
era	mid-20th century ⓘ
fuelType	diesel ⓘ
industry	rail transport ⓘ
introducedInDecade	1950s ⓘ
licenceBuilt	United Kingdom ⓘ
manufacturer	Sulzer ⓘ linked to: Sulzer Brothers
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 ⓘ linked to: British Rail Eastern Region British Railways Midland Region ⓘ linked to: British Railways London Midland Region
numberOfCylinders	12 ⓘ
originCountry	Switzerland ⓘ
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) ⓘ linked to: Sulzer 12LDA28C
usedBy	British Rail ⓘ British Railways ⓘ linked to: British Rail
usedIn	British Rail Class 44 ⓘ British Rail Class 45 ⓘ British Rail Class 46 ⓘ British Rail Class 47 (early prototypes) ⓘ linked to: British Rail Class 47 British Rail Class 48 ⓘ British Rail Class 49 (prototype) ⓘ British Rail Peaks (Classes 44, 45, 46) ⓘ linked to: British Rail Class 44 British Railways mainline diesel locomotives ⓘ English Electric-built locomotives (selected classes under Sulzer licence) ⓘ diesel-electric locomotives ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

British Rail Class 47 → primeMover → Sulzer 12LDA28C ⓘ

Sulzer 12LDA28C → designFamily → Sulzer LDA28 series ⓘ

linked to: Sulzer 12LDA28C

Sulzer 12LDA28C → successor → Sulzer 12LDA28B (improved variants and derivatives) ⓘ