Ford GAF V-8 gasoline engine
E380757
The Ford GAF V-8 gasoline engine was a powerful American tank engine used to propel the World War II–era M26 Pershing heavy tank.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ford GAF V-8 gasoline engine canonical | 2 |
| Ford GAN V-8 tank engine family | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3680673 — 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: Ford GAF V-8 gasoline engine Context triple: [M26 Pershing, engine, Ford GAF V-8 gasoline engine]
-
A.
Wright R-1820 radial engine
The Wright R-1820 radial engine is a widely used American air-cooled, nine-cylinder aircraft engine that powered numerous military and civilian aircraft from the 1930s through World War II and beyond.
-
B.
Wright R-3350 Duplex-Cyclone radial engine
The Wright R-3350 Duplex-Cyclone is a powerful American 18-cylinder air-cooled radial aircraft engine widely used in World War II and early postwar bombers and airliners.
-
C.
Pratt & Whitney R-1830 Twin Wasp radial engine
The Pratt & Whitney R-1830 Twin Wasp is a widely used American 14-cylinder air-cooled radial aircraft engine of the World War II era, powering numerous fighters, bombers, and transport aircraft.
-
D.
Bristol Mercury radial engine
The Bristol Mercury radial engine is a British air-cooled, nine-cylinder aircraft engine widely used in the 1930s and World War II, known for powering numerous fighters and bombers.
-
E.
Wright R-2600 Twin Cyclone
The Wright R-2600 Twin Cyclone is a World War II–era American 14-cylinder, air-cooled radial aircraft engine widely used in medium bombers and naval aircraft.
- 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: Ford GAF V-8 gasoline engine Target entity description: The Ford GAF V-8 gasoline engine was a powerful American tank engine used to propel the World War II–era M26 Pershing heavy tank.
-
A.
Wright R-1820 radial engine
The Wright R-1820 radial engine is a widely used American air-cooled, nine-cylinder aircraft engine that powered numerous military and civilian aircraft from the 1930s through World War II and beyond.
-
B.
Wright R-3350 Duplex-Cyclone radial engine
The Wright R-3350 Duplex-Cyclone is a powerful American 18-cylinder air-cooled radial aircraft engine widely used in World War II and early postwar bombers and airliners.
-
C.
Pratt & Whitney R-1830 Twin Wasp radial engine
The Pratt & Whitney R-1830 Twin Wasp is a widely used American 14-cylinder air-cooled radial aircraft engine of the World War II era, powering numerous fighters, bombers, and transport aircraft.
-
D.
Bristol Mercury radial engine
The Bristol Mercury radial engine is a British air-cooled, nine-cylinder aircraft engine widely used in the 1930s and World War II, known for powering numerous fighters and bombers.
-
E.
Wright R-2600 Twin Cyclone
The Wright R-2600 Twin Cyclone is a World War II–era American 14-cylinder, air-cooled radial aircraft engine widely used in medium bombers and naval aircraft.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
V-8 engine
ⓘ
gasoline engine ⓘ tank engine ⓘ |
| application | heavy tank propulsion ⓘ |
| aspiration | naturally aspirated ⓘ |
| bore | approximately 5.4 in ⓘ |
| category |
Ford engines
ⓘ
V8 internal combustion engines ⓘ World War II tank engines ⓘ |
| configuration | 90-degree V-8 ⓘ |
| coolingSystem | liquid-cooled ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| cylinderCount | 8 ⓘ |
| designedFor |
M26 Pershing heavy tank
ⓘ
linked to:
M26 Pershing tank
|
| displacement |
18.0 L
ⓘ
about 1100 cu in ⓘ |
| driveType | connected to manual transmission and final drives ⓘ |
| era | World War II ⓘ |
| fuelType | gasoline ⓘ |
| ignitionSystem | spark-ignition ⓘ |
| manufacturer | Ford Motor Company ⓘ |
| materialUse | cast-iron block ⓘ |
| mountingPosition | rear engine compartment of tank ⓘ |
| notableFeature |
adapted from large Ford industrial and truck engine designs
ⓘ
provided improved mobility for heavy tanks compared to earlier engines ⓘ |
| powerOutput |
about 500 hp
ⓘ
approximately 500 hp at 2600 rpm ⓘ |
| powerToWeightRole | optimized for heavy armored vehicle use ⓘ |
| productionPeriod | 1940s ⓘ |
| relatedTo |
Ford GAN V-8 tank engine family
ⓘ
linked to:
Ford GAF V-8 gasoline engine
|
| serviceEntry | mid-1940s ⓘ |
| stroke | approximately 6.0 in ⓘ |
| successorEngineInRole | Continental AV-1790 ⓘ |
| torqueOutput | high torque at low to medium rpm ⓘ |
| usedBy | United States Army ⓘ |
| usedIn |
M26 Pershing
ⓘ
linked to:
M26 Pershing tank
M26A1 Pershing ⓘ
linked to:
M26 Pershing tank
M45 howitzer motor carriage ⓘ
linked to:
M3 half-track
T26E1 tank ⓘ T26E2 tank ⓘ T26E3 Pershing ⓘ
linked to:
M26 Pershing tank
T26E4 Super Pershing ⓘ
linked to:
M26 Pershing tank
T29 heavy tank prototypes ⓘ T30 heavy tank prototypes ⓘ T32 heavy tank prototypes ⓘ |
| valvetrain | overhead valve ⓘ |
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: Ford GAF V-8 gasoline engine Description of subject: The Ford GAF V-8 gasoline engine was a powerful American tank engine used to propel the World War II–era M26 Pershing heavy tank.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
M26 Pershing tank
linked to: Ford GAF V-8 gasoline engine