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This template is used in articles about engines, including, but not limited to automobile and industrial engines.

==Usage==
*See the [[#Parameters|Parameters]] section of this document for '''basic''' explanations of what data to enter in each parameter.
*See [[Wikipedia:WikiProject Automobiles/Conventions#Infoboxes|WikiProject Automobiles/Conventions]] for '''detailed''' explanations of what data to enter in certain parameters and instructions on how to correctly format the data.
*When entering more than one data point per parameter, use the [[Template:Unbulleted list|unbulleted list template]] <code><nowiki>{{Unbulleted list | fact one | fact two | et cetera }}</nowiki></code> to put each entry on a separate line.  Do not use <nowiki><br></nowiki> or <nowiki><br /></nowiki> to create line breaks in the infobox.
*In the infobox templates below, [[Wikipedia:WikiProject Automobiles/Conventions#Units|conversion templates]] have been provided for your convenience.  After copying the infobox template into the article, enter the data, replacing "NNNN" with numeric entries.  When entering data into the conversion template, enter digits without thousands separators, ''i.e.'', 4287 '''not''' 4,287.

{{Parameter names example|name|image|image_size|alt|upright|interiorimage|caption|manufacturer|designer|aka|production|configuration|displacement|bore|stroke|block|head|valvetrain|timing|compression|operating principle|supercharger|turbocharger|fuelsystem|management|fueltype|oilsystem|coolingsystem|idle|redline|power|specpower|torque|length|width|height|diameter|weight|emissions level|emissions control|predecessor|successor|}}
<syntaxhighlight lang="wikitext" style="overflow:auto">
{{Infobox engine
|name          = 
|image         = 
|image_size    = 
|alt           = 
|caption       = 
|manufacturer  = 
|designer      = 
|aka           = 
|production    = 
|configuration = 
|displacement  = 
|bore          = 
|stroke        = 
|block         = 
|head          = 
|valvetrain    = 
|timing        = 
|compression   = 
|idle          = 
|redline       = 
|operating principle = 
|supercharger  = 
|turbocharger  = 
|turboboostpressure = 
|fuelsystem    = 
|management    = 
|fueltype      = 
|oilsystem     = 
|coolingsystem = 
|power         = 
|specpower     = 
|torque        = 
|length        = 
|width         = 
|height        = 
|diameter      = 
|weight        = 
|emissions level = 
|emissions control = 
|predecessor   = 
|successor     = 
}}</syntaxhighlight>

==Parameters==
;name: Name of the engine in the engine's original or primary market, as assigned by the entity responsible for the development and production of the engine (not necessarily the manufacturer of the engine).<br />Examples: M104 or EcoBoost or N53 or Atlas
;image: Photograph of the engine, preferably in clean/as new condition, with accessories but not installed in a vehicle.<br />See [[Wikipedia:WikiProject Automobiles/Conventions#Images|WikiProject Automobiles/Images]]
;alt: Description of image as used by screenreaders for visually impaired people, see [[WP:ALT]].
;manufacturer: Entity responsible for the development of the engine (not necessarily the manufacturer of the engine)
;designer: Person responsible for the development of the engine (this should be one or more natural persons)
;aka: Other common or popular names used by the public or code names by the manufacturer in marketing materials.<br />Examples: Cobra-Jet or Hemi
;production: [[Calendar year]] range when the engine was produced, not the [[model year]].<br />Months are recommended if available, but exact dates are discouraged.<br />Examples: {{Start date|1951}}-{{End date|1962}} '''or''' {{Start date|1951|01}}-{{End date|1962|12}}, but '''not''' {{Start date|1951|01|31}}-{{End date|1962|12|28}}.<br />Use <nowiki>{{Start date|YYYY}}-{{End date|YYYY}}</nowiki> '''or''' <nowiki>{{Start date|YYYY|MM}}-{{End date|YYYY|MM}}</nowiki> where YYYY is the year (e.g. 1982) and MM is the numeric month (e.g. 02 - for February).
;predecessor: Name of older or previous engine that was replaced by the engine listed in the '''Name''' field of the infobox.<br />Leave blank if this does not apply.
;successor: Name of newer or next engine that replaced the engine listed in the '''Name''' field of the infobox.<br />Leave blank if this does not apply.
;configuration: Arrangement and number of cylinders or rotors.<br />Examples: Straight-4 (US nomenclature) or Inline-4 (ROW nomenclature), Flat-6, 60° V6, 90° V8, W12, H16, or Radial-9, etc.  See [[Engine configuration]].
;displacement: [[Engine displacement]] in litres '''or''' cubic centimetres may be used where appropriate.<br />Use <nowiki>{{Convert|x.x|L|cuin|1|abbr=on}}</nowiki> where x.x is the displacement in litres, or <nowiki>{{Convert|xxxx|cc|cuin|abbr=on}}</nowiki> where xxxx is the displacement in cubic centimentres (cc).<br />Cubic inches can be used to express the displacement of engines originally engineered, designated, and marketed in cubic inches, such as pre-1980s American and pre-1974 Australian engines.  When using cubic inches, use <nowiki>{{Auto Lrev|xxx}}</nowiki> where xxx is the displacement in cubic inches.<br />See [[Wikipedia:WikiProject Automobiles/Conventions#Displacement|WikiProject Automobiles/Conventions - Displacement]].
;bore: Measurement of the cylinder bore in millimetres.<br />Use <nowiki>{{Convert|xx.xx|mm|in|3|abbr=on}}</nowiki> where xx.xx is the bore in millimetres.
;stroke: Measurement of the piston stroke in millimetres.<br />Use <nowiki>{{Convert|xx.xx|mm|in|3|abbr=on}}</nowiki> where xx.xx is the stroke in millimetres.
;block: Material used for construction of [[Engine block#Cylinder block|cylinder block]] (also known as engine block).<br />Examples: cast iron or aluminium alloy.
;head: Material used for construction of [[cylinder head]](s).<br />Examples: cast iron or aluminium alloy.
;valvetrain: Description of the [[valvetrain]].<br />Examples for four-stroke engines: Side-valve, OHV, OHC (or 2xOHC for V engine), DOHC (or 2xDOHC); examples for two-stroke engines: rotary valve, reed valve
;timing: Camshaft timing drive system(s).<br />Example: belt, wet belt, chain, cambelt, chain and belt
;compression: Engine compression ratio.<br />Typical examples for petrol and diesel: 10:1, 19.5:1
;operating principle: Primary engine operating principle (typically defined by fuel).<br />Examples: Petrol, Diesel, Wankel
;supercharger: Manufacturer, model and type of superchager if known, otherwise type of supercharger.<br />Example of manufacturer, model and type: <nowiki>[[Eaton Corporation|Eaton]]</nowiki> R410 TVS roots type.<br />Examples of types: Roots, Lysholm screw, Sliding vane, or Scroll.<br />Leave blank if none.
;turbocharger: Number of turbochargers (single, dual, quad, etc.) and manufacturer and model if known, otherwise number of turbochargers.<br />Example: Single <nowiki>[[IHI Corporation|IHI]]</nowiki> VF48 or Dual <nowiki>[[Honeywell]]</nowiki> GT15 or Quad <nowiki>[[IHI Corporation|IHI]]</nowiki> VN65.<br />Leave blank if none.
;fuelsystem: Fuel delivery system.<br />Examples: carburettor, fuel injection, direct fuel injection<br />If carburettor, state quantity, make and model of carburettor if known.<br />Examples: <nowiki>[[Solex]]</nowiki> 34 or two <nowiki>[[Weber carburettor|Weber]]</nowiki> 45.<br />If fuel injected, state make, model, and characteristics of fuel injection system if known.<br />Example: <nowiki>[[Robert Bosch GmbH|Bosch]]</nowiki> <nowiki>[[Jetronic#KE-Jetronic (1985–1993)|KE-Jetronic]]</nowiki> electronically-controlled, mechanical fuel injection, single-point fuel injection, multi-point fuel injection
;management: Type of engine management system.<br />Examples: Bosch Motronic, Digifant, Simtec
;fueltype: Fuel used to cause combustion to generate heat.<br />Examples: petrol ''or'' gasoline, diesel, steam, etc.
;oilsystem: Type of lubricating oil system.<br />Examples: wet sump, dry sump, etc.
;coolingsystem: Type of cooling system.<br />Examples: air-cooled, water-cooled, oil-cooled, etc.
;idle: Governed idle rpm i.e. the speed engine rotates under no load under closed throttle to sustain engine function.
;redline: Redline i.e. the maximal speed engine is designed to be operated continuously at full throttle under load.  Not to be confused with high idle and maximal governed RPM.
;power: Maximum engine power at specified rpm.<br />For engines used in '''U.S.''' home market cars use <nowiki>{{Convert|xxx|hp|kW|abbr=on}}</nowiki> where xxx is the power in [[horsepower]] (hp).<br />For engines used in '''Japanese''' home market cars use <nowiki>{{Convert|xxx|PS|kW hp|abbr=on}}</nowiki> where xxx is power in [[Horsepower#Metric|metric horsepower]] (PS).<br />For engines used in '''British''' home market cars use <nowiki>{{Convert|xxx|bhp|kW PS|abbr=on}}</nowiki> where xxx is power in [[Horsepower#Brake horsepower|brake horsepower]] (bhp).<br />For engines used in '''rest-of-world''' home market cars, or international or global use engines, use <nowiki>{{Convert|xxx|kW|hp|abbr=on}}</nowiki> where xxx is power in [[Watt#Kilowatt|kilowatts]] (kW).<br />For marine or naval engines, use <nowiki>{{Convert|xxx|shp|kW PS|abbr=on}}</nowiki> where xxx is power in [[Horsepower#Shaft horsepower|shaft horsepower]] (shp).<br />See [[Wikipedia:WikiProject Automobiles/Conventions#Power|WikiProject Automobiles/Conventions - Power]].
;specpower: Specific power.  Leave blank if unknown.
;torque: Maximum engine torque at a specified revolutions per minute (rpm).<br />For engines used in '''U.S.''' home market cars use <nowiki>{{Convert|xxx|ft.lbf|Nm|abbr=on}}</nowiki> at yyyy rpm, where xxx is the torque in [[Pound-foot (torque)|foot-pounds]] and yyyy is the rpm.<br />For engines used in '''rest-of-world''' home market cars use <nowiki>{{Convert|xxx|Nm|ft.lbf|abbr=on}}</nowiki> at yyyy rpm, where xxx is the torque in [[Newton-metre]]s and yyyy is the rpm.<br />See [[Wikipedia:WikiProject Automobiles/Conventions#Torque|WikiProject Automobiles/Conventions - Torque]].
;length: Longest dimension of the engine in millimetres.<br />Use <nowiki>{{Convert|xxxx|mm|in|1|abbr=on}}</nowiki> where xxxx is the length in millimetres.
;width: Shorter of the two length measurements of the engine in millimetres.<br />Use <nowiki>{{Convert|xxxx|mm|in|1|abbr=on}}</nowiki> where xxxx is the width in millimetres.
;height: Maximum height of the engine in millimetres.<br />Use <nowiki>{{Convert|xxxx|mm|in|1|abbr=on}}</nowiki> where xxxx is the height in millimetres.
;diameter: Diameter of the engine in millimetres (if appropriate).<br />Use <nowiki>{{Convert|xxxx|mm|in|1|abbr=on}}</nowiki> where xxxx is the diameter in millimetres.<br />Leave blank if this does not apply.
;weight: Weight of the engine in kilograms.<br />Use <nowiki>{{Convert|xxx|kg|lb|abbr=on}}</nowiki> where xxx is the weight in kilograms.
;emissions level: The most stringent emissions standard(s) the engine is tested to comply with.<br />If an engine has been certified multiple times, list the lowest and highest standard unless intermediate standards marked an important development step.<br />For engines used in '''U.S.''' home market cars use [[United States vehicle emission standards]].<br />For engines used in '''EU''' common market cars use [[European emission standards]].<br />For engines used in '''rest-of-world''' home market cars use the locally applicable standard.<br />For global engines (e.g. used in Europe ''and'' North America), list both standards.
;emissions control: Technology employed to control emissions below target level.<br />Examples: <nowiki>[[Secondary air injection|Air Injection]]</nowiki>, and / or <nowiki>[[Exhaust gas recirculation]]</nowiki>, and / or <nowiki>[[Catalytic converter]]</nowiki>.

==Example==
;Note: The data below may not reflect the actual specifications of the engine used for this example.

{{Infobox engine
|name          = BMW S65B40O0
|image         = BMW S65 Engine.JPG
|manufacturer  = [[BMW|Bayerische Motoren Werke AG (BMW)]]
|aka           = Monster
|production    = 2007&ndash;2013
|configuration = 90° [[V8 engine|V8]]
|displacement  = {{Convert|3999|cc|L cuin|1|order=flip|abbr=on|lk=on}}
|bore          = {{Convert|92.0|mm|3|abbr=on}}
|stroke        = {{Convert|75.2|mm|3|abbr=on}}
|block         = [[Aluminium]]&ndash;[[silicon]] [[alloy]]
|head          = Aluminium alloy
|valvetrain    = [[Overhead camshaft engine#DOHC|DOHC]]
|timing        = Chain
|compression   = 12.0:1
|supercharger  = 
|turbocharger  = 
|fuelsystem    = [[Fuel injection]]
|management    = MSS60 [[Engine control unit|ECU]]
|fueltype      = [[Gasoline]]
|oilsystem     = 
|coolingsystem = [[Water cooling#Automotive usage|Water-cooled]]
|power         = {{Convert|309|kW|PS bhp|0|abbr=on|lk=on}}
|specpower     = 
|torque        = {{Convert|400|Nm|0|abbr=on|lk=on}}
|length        = {{Convert|734|mm|1|abbr=on}}
|width         = {{Convert|505|mm|1|abbr=on}}
|height        = {{Convert|611|mm|1|abbr=on}}
|diameter      = 
|weight        = {{Convert|147|kg|abbr=on}}
|predecessor   = [[BMW M54#S54B32|BMW S54]]
|successor     = BMW S88
}}

<syntaxhighlight lang="wikitext" style="overflow:auto">
{{Infobox engine
|name          = BMW S65B40O0
|image         = BMW S65 Engine.JPG
|manufacturer  = [[BMW|Bayerische Motoren Werke AG (BMW)]]
|aka           = Monster
|production    = 2007&ndash;2013
|configuration = 90° [[V8 engine|V8]]
|displacement  = {{Convert|3999|cc|L cuin|1|order=flip|abbr=on|lk=on}}
|bore          = {{Convert|92.0|mm|3|abbr=on}}
|stroke        = {{Convert|75.2|mm|3|abbr=on}}
|block         = [[Aluminium]]&ndash;[[silicon]] [[alloy]]
|head          = Aluminium alloy
|valvetrain    = [[Overhead camshaft engine#DOHC|DOHC]]
|timing        = Chain
|compression   = 12.0:1
|supercharger  = 
|turbocharger  = 
|fuelsystem    = [[Fuel injection]]
|management    = MSS60 [[Engine control unit|ECU]]
|fueltype      = [[Gasoline]]
|oilsystem     = 
|coolingsystem = [[Water cooling#Automotive usage|Water-cooled]]
|power         = {{Convert|309|kW|PS bhp|0|abbr=on|lk=on}}
|specpower     = 
|torque        = {{Convert|400|Nm|0|abbr=on|lk=on}}
|length        = {{Convert|734|mm|1|abbr=on}}
|width         = {{Convert|505|mm|1|abbr=on}}
|height        = {{Convert|611|mm|1|abbr=on}}
|diameter      = 
|weight        = {{Convert|147|kg|abbr=on}}
|predecessor   = [[BMW M54#S54B32|BMW S54]]
|successor     = BMW S88
}}</syntaxhighlight>

==TemplateData==
{{TemplateData header}}
<templatedata>
{
	"description": "This template is used in articles about engines, including, but not limited to automobile and industrial engines.",
	"params": {
		"name": {
			"label": "Name",
			"description": "Name of the engine in the engine's original or primary market, as assigned by the entity responsible for the development of the engine (not necessarily the manufacturer of the engine)",
			"type": "line",
			"required": true
		},
		"image": {
			"label": "Image",
			"description": "Photograph of the engine, preferably in clean/as new condition, with accessories but not installed in a vehicle",
			"type": "wiki-file-name"
		},
		"image_size": {
			"label": "Image size",
			"type": "string"
		},
		"alt": {
			"label": "Alt Text for Image",
			"description": "Alt text used by screen-readers for visually impaired people who cannot see the image.",
			"type": "string"
		},
		"upright": {},
		"interiorimage": {},
		"caption": {
			"label": "Caption",
			"description": "The caption field describes the engine pictured in the Image field above.",
			"type": "string"
		},
		"manufacturer": {
			"label": "Manufacturer",
			"type": "string",
			"description": "Entity responsible for the development of the engine (not necessarily the manufacturer of the engine)",
			"suggested": true
		},
		"aka": {
			"label": "aka",
			"type": "string",
			"description": "Other common or popular names used by the public or by the manufacturer in marketing materials"
		},
		"production": {
			"label": "Production",
			"description": "Calendar year range when the engine was produced, not the model year. Months are recommended if available, but exact dates are discouraged. Use {{Start date|YYYY}}-{{End date|YYYY}} or {{Start date|YYYY|MM}}-{{End date|YYYY|MM}} where YYYY is the year (e.g. 1982) and MM is the numeric month (e.g. 02, for February).",
			"example": "{{Start date|1951}}-{{end date|1962}} or {{Start date|1951|01}}-{{End date|1962|12}}"
		},
		"designer": {
			"label": "Designer",
			"description": "Person responsible for the development of the engine (this should be one or more natural persons)"
		},
		"configuration": {
			"label": "Configuration",
			"description": "Arrangement and number of cylinders or rotors",
			"example": "Straight-4 (US nomenclature) or Inline-4 (ROW nomenclature), Flat-6, 60° V6, 90° V8, W12, H16, or Radial-9, etc",
			"type": "string"
		},
		"displacement": {
			"label": "Displacement",
			"description": "Engine displacement in litres or cubic centimetres may be used where appropriate. Use {{Convert|x.x|L|cuin|1|abbr=on}} where x.x is the displacement in litres or {{Convert|xxxx|cc|cuin|abbr=on}} where xxxx is the displacement in cubic centimetres (cc).  Cubic inches can be used to express the displacement of engines originally engineered, designated, and marketed in cubic inches, such as pre-1980s American and pre-1974 Australian engines.  When using cubic inches, use {{Auto Lrev|xxx}} where xxx is the displacement in cubic inches."
		},
		"bore": {
			"label": "Bore",
			"description": "Measurement of the cylinder bore in millimetres.  Use {{Convert|xx.xx|mm|in|3|abbr=on}} where xx.xx is the cylinder bore in millimetres."
		},
		"stroke": {
			"description": "Measurement of the piston stroke in millimetres.  Use {{convert|xx.xx|mm|in|3|abbr=on}} where xx.xx is the piston stroke in millimetres."
		},
		"block": {
			"description": "Material used to construct the engine block"
		},
		"head": {
			"description": "Material used to construct the cylinder head."
		},
		"valvetrain": {},
		"compression": {},
		"idle": {},
		"redline": {},
		"operating principle": {
			"label": "Operating principle",
			"description": "The operating principle is a model that is characteristic of an engine's underlying thermodynamics; it is also known as the engine cycle. Typically, an operating principle has certain qualities that describe it, such as type of combustion (e. g. internal or external), type of ignition (e. g. compression ignition or spark ignition), and type of flame (e. g. premixed or diffusion). In internal combustion engines, common operating principles are, among others, [[Diesel engine|Diesel]], [[Otto cycle|Otto]], [[hot-bulb engine|Akroyd]], and [[Wankel engine|Wankel]]."
		},
		"supercharger": {},
		"turbocharger": {},
		"fuelsystem": {},
		"management": {},
		"fueltype": {},
		"oilsystem": {},
		"coolingsystem": {},
		"power": {},
		"specpower": {},
		"torque": {},
		"length": {},
		"width": {},
		"height": {},
		"diameter": {},
		"weight": {},
		"emissions level": {},
		"emissions control": {},
		"predecessor": {},
		"successor": {},
		"timing": {
			"label": "Timing drive system",
			"description": "The part that synchronizes the rotation of the crankshaft and the camshaft(s)",
			"example": "Belt, Wet belt, Chain, Gears",
			"type": "string"
		}
	},
	"format": "block",
	"paramOrder": [
		"name",
		"image",
		"image_size",
		"alt",
		"upright",
		"interiorimage",
		"caption",
		"manufacturer",
		"designer",
		"aka",
		"production",
		"configuration",
		"displacement",
		"bore",
		"stroke",
		"block",
		"head",
		"valvetrain",
		"timing",
		"compression",
		"idle",
		"redline",
		"operating principle",
		"supercharger",
		"turbocharger",
		"fuelsystem",
		"management",
		"fueltype",
		"oilsystem",
		"coolingsystem",
		"power",
		"specpower",
		"torque",
		"length",
		"width",
		"height",
		"diameter",
		"weight",
		"emissions level",
		"emissions control",
		"predecessor",
		"successor"
	]
}
</templatedata>

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