Ford GAF V-8 gasoline engine

E380757

V-8 engine gasoline engine tank engine

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.

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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 of America ⓘ surface form: United States
cylinderCount	8 ⓘ
designedFor	M26 Pershing tank ⓘ surface form: M26 Pershing heavy 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 GAF V-8 gasoline engine self-linksurface differs ⓘ surface form: Ford GAN V-8 tank engine family
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 tank ⓘ surface form: M26 Pershing M26 Pershing tank ⓘ surface form: M26A1 Pershing M3 half-track ⓘ surface form: M45 howitzer motor carriage T26E1 tank ⓘ T26E2 tank ⓘ M26 Pershing tank ⓘ surface form: T26E3 Pershing M26 Pershing tank ⓘ surface form: T26E4 Super Pershing T29 heavy tank prototypes ⓘ T30 heavy tank prototypes ⓘ T32 heavy tank prototypes ⓘ
valvetrain	overhead valve ⓘ

How these facts were elicited

Referenced by (3)

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

M26 Pershing tank → engine → Ford GAF V-8 gasoline engine ⓘ

subject surface form: M26 Pershing

Ford GAF V-8 gasoline engine → relatedTo → Ford GAF V-8 gasoline engine self-linksurface differs ⓘ

this entity surface form: Ford GAN V-8 tank engine family

M26 → engine → Ford GAF V-8 gasoline engine ⓘ