Maybach HL230 P30 V-12 petrol engine
E271690
The Maybach HL230 P30 is a German World War II-era 23-liter V-12 gasoline engine that powered several heavy armored vehicles, including the Panther and Tiger II tanks.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Maybach HL230 P30 V-12 petrol engine canonical | 2 |
| Maybach HL230 V-12 petrol engine | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2497327 — 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: Maybach HL230 P30 V-12 petrol engine Context triple: [Panther tank, engineType, Maybach HL230 P30 V-12 petrol engine]
-
A.
Maybach HL42 six-cylinder petrol engine
The Maybach HL42 is a German World War II-era six-cylinder gasoline engine widely used to power half-tracks and other medium military vehicles.
-
B.
Maybach HL230 P45
The Maybach HL230 P45 was a powerful German V-12 gasoline tank engine used in heavy World War II armored vehicles such as the Tiger I and Panther.
-
C.
Maybach HL 120 TRM
The Maybach HL 120 TRM is a German World War II-era 12-cylinder gasoline tank engine widely used in medium armored vehicles such as the Panzer IV.
-
D.
Maybach HL210 P45
The Maybach HL210 P45 was a German World War II-era V12 gasoline tank engine used in early models of the Tiger I heavy tank.
-
E.
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.
- 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: Maybach HL230 P30 V-12 petrol engine Target entity description: The Maybach HL230 P30 is a German World War II-era 23-liter V-12 gasoline engine that powered several heavy armored vehicles, including the Panther and Tiger II tanks.
-
A.
Maybach HL42 six-cylinder petrol engine
The Maybach HL42 is a German World War II-era six-cylinder gasoline engine widely used to power half-tracks and other medium military vehicles.
-
B.
Maybach HL230 P45
The Maybach HL230 P45 was a powerful German V-12 gasoline tank engine used in heavy World War II armored vehicles such as the Tiger I and Panther.
-
C.
Maybach HL 120 TRM
The Maybach HL 120 TRM is a German World War II-era 12-cylinder gasoline tank engine widely used in medium armored vehicles such as the Panzer IV.
-
D.
Maybach HL210 P45
The Maybach HL210 P45 was a German World War II-era V12 gasoline tank engine used in early models of the Tiger I heavy tank.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
V-12 petrol engine
ⓘ
World War II-era engine ⓘ tank engine ⓘ |
| aspiration | naturally aspirated ⓘ |
| bore | 130 mm ⓘ |
| compressionRatio | 6.8:1 ⓘ |
| configuration | V-12 ⓘ |
| coolantType | water-glycol mixture ⓘ |
| coolingSystem | liquid-cooled ⓘ |
| countryOfOrigin | Germany ⓘ |
| crankshaftSupport | 7 main bearings ⓘ |
| cycle | four-stroke ⓘ |
| cylinderBankAngle | 60 degrees ⓘ |
| designedBy | Maybach-Motorenbau GmbH ⓘ |
| designedFor | heavy armored fighting vehicles ⓘ |
| displacement |
23 liters
ⓘ
23000 cc ⓘ |
| era | 1940s ⓘ |
| fuelSystem | carbureted ⓘ |
| fuelType | gasoline ⓘ |
| ignitionSystem | magneto ignition ⓘ |
| introduced | 1942 ⓘ |
| lubricationSystem | pressure lubrication ⓘ |
| manufacturer | Maybach ⓘ |
| material |
aluminum alloy components
ⓘ
cast iron block ⓘ |
| maximumTorque | approximately 1850 N·m ⓘ |
| mountingPosition | rear-mounted in hull ⓘ |
| notableFeature |
high displacement for compact engine bay
ⓘ
shared across multiple German heavy chassis ⓘ |
| numberOfCylinders | 12 ⓘ |
| powerOutput |
700 PS at 3000 rpm
ⓘ
about 690 hp at 3000 rpm ⓘ |
| powerToWeightRole | heavy tank propulsion ⓘ |
| predecessor |
Maybach HL210 P45
ⓘ
surface form:
Maybach HL210
|
| primaryUser |
Waffen-SS
ⓘ
Wehrmacht ⓘ |
| stroke | 145 mm ⓘ |
| usedInConflict | World War II ⓘ |
| usedInVehicle |
Bergepanther
ⓘ
Jagdpanther ⓘ Jagdpanzer IV early variants ⓘ
surface form:
Jagdpanzer IV (late variants)
Panther tank ⓘ
surface form:
Panzerkampfwagen V Panther
Tiger II ⓘ
surface form:
Panzerkampfwagen VI Tiger II
Sturmtiger (via Tiger II chassis variants) ⓘ |
| valvesPerCylinder | 4 ⓘ |
| valvetrain | single overhead camshaft ⓘ |
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: Maybach HL230 P30 V-12 petrol engine Description of subject: The Maybach HL230 P30 is a German World War II-era 23-liter V-12 gasoline engine that powered several heavy armored vehicles, including the Panther and Tiger II tanks.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Maybach HL230 V-12 petrol engine