Milwaukee-Eight engine

E270604

V-twin engine motorcycle engine

The Milwaukee-Eight engine is Harley-Davidson’s modern V-twin powerplant, introduced to deliver improved performance, smoother operation, and better cooling while retaining the brand’s signature character.

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All labels observed (10)

Label	Occurrences
Milwaukee-Eight	3
Milwaukee-Eight engine canonical	3
Harley-Davidson Big Twin engines	1
Harley-Davidson V-twin engines	1
Milwaukee-Eight 114	1
Milwaukee-Eight 131	1
Milwaukee-Eight V-twin	1
Milwaukee-Eight engine family	1
Shovelhead engine	1
replaced in most models by Milwaukee-Eight from model year 2017	1

How this entity was disambiguated

This entity first appeared as the object of triple T2472991 — 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: Milwaukee-Eight engine
Context triple: [Harley-Davidson, hasEngineType, Milwaukee-Eight engine]

A. Mitsubishi Kinsei radial engine
The Mitsubishi Kinsei was a Japanese air-cooled radial aircraft engine widely used in World War II combat aircraft.
B. BMW 801 radial engine
The BMW 801 radial engine was a powerful German World War II air-cooled aircraft engine widely used in Luftwaffe fighters and bombers, noted for its reliability and advanced engineering.
C. 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.
D. Mitsubishi Ha-104 radial engine
The Mitsubishi Ha-104 was a Japanese World War II-era twin-row, 18-cylinder air-cooled radial aircraft engine used to power several Imperial Japanese Army bombers and other combat aircraft.
E. Nakajima Sakae radial engine
The Nakajima Sakae radial engine was a widely used Japanese air-cooled aircraft engine of World War II, best known for powering frontline Imperial Japanese Navy and Army fighters and bombers such as the Mitsubishi A6M Zero.
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: Milwaukee-Eight engine
Target entity description: The Milwaukee-Eight engine is Harley-Davidson’s modern V-twin powerplant, introduced to deliver improved performance, smoother operation, and better cooling while retaining the brand’s signature character.

A. Mitsubishi Kinsei radial engine
The Mitsubishi Kinsei was a Japanese air-cooled radial aircraft engine widely used in World War II combat aircraft.
B. BMW 801 radial engine
The BMW 801 radial engine was a powerful German World War II air-cooled aircraft engine widely used in Luftwaffe fighters and bombers, noted for its reliability and advanced engineering.
C. 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.
D. Mitsubishi Ha-104 radial engine
The Mitsubishi Ha-104 was a Japanese World War II-era twin-row, 18-cylinder air-cooled radial aircraft engine used to power several Imperial Japanese Army bombers and other combat aircraft.
E. Nakajima Sakae radial engine
The Nakajima Sakae radial engine was a widely used Japanese air-cooled aircraft engine of World War II, best known for powering frontline Imperial Japanese Navy and Army fighters and bombers such as the Mitsubishi A6M Zero.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	V-twin engine ⓘ motorcycle engine ⓘ
applicationType	cruiser motorcycles ⓘ touring motorcycles ⓘ
brand	Harley-Davidson ⓘ
configuration	45-degree V-twin ⓘ
coolingType	air-cooled ⓘ liquid-cooled (select variants) ⓘ oil-cooled ⓘ
countryOfOrigin	United States ⓘ linked to: United States of America
designGoal	better cooling ⓘ improved performance ⓘ reduced mechanical noise ⓘ reduced vibration ⓘ retention of Harley-Davidson character ⓘ smoother operation ⓘ
displacementVariant	107 cubic inches ⓘ 114 cubic inches ⓘ 117 cubic inches ⓘ 121 cubic inches (CVO) ⓘ 131 cubic inches (crate/performance) ⓘ
feature	counterbalancer (select variants) ⓘ dual spark plugs per cylinder (most variants) ⓘ higher compression ratio than Twin Cam ⓘ improved oiling system ⓘ revised combustion chamber design ⓘ single chain-driven camshaft ⓘ
firstModelYearInProduction	2017 ⓘ
fuelSystem	electronic fuel injection ⓘ
improvedThrottleResponseComparedTo	Twin Cam engine ⓘ
improvedTorqueComparedTo	Twin Cam engine ⓘ
introducedInYear	2016 ⓘ
manufacturer	Harley-Davidson ⓘ
marketedAs	Milwaukee-Eight 107 ⓘ linked to: Harley-Davidson Street Glide Milwaukee-Eight 114 ⓘ linked to: Milwaukee-Eight engine Milwaukee-Eight 117 ⓘ Milwaukee-Eight 121 ⓘ linked to: Milwaukee-Eight 117 Milwaukee-Eight 131 ⓘ linked to: Milwaukee-Eight engine
namedAfter	Milwaukee, Wisconsin ⓘ linked to: Milwaukee
predecessor	Twin Cam engine ⓘ
primaryDisplacementVariant	107 cubic inches ⓘ
reducedEngineHeatComparedTo	Twin Cam engine ⓘ
totalValves	8 ⓘ
usedIn	Harley-Davidson CVO models ⓘ Harley-Davidson Softail models ⓘ linked to: Harley-Davidson Softail Harley-Davidson Touring models ⓘ linked to: Harley-Davidson Road Glide Harley-Davidson Trike models ⓘ
valvesPerCylinder	4 ⓘ
valvetrain	single overhead camshaft ⓘ

How these facts were elicited