Toyota U engine#4U

{{Infobox automobile engine

| name = U

| manufacturer = Toyota

| production = 1961–1966

| configuration = Flat-2

| displacement = {{convert|697|cc|cuin|abbr=on|0}}

| bore = {{convert|78|mm|in|abbr=on|3}}{{cite web |url=http://www.toyota.co.jp/jpn/company/history/75years/vehicle_lineage/catalog/60011574/html5m.html#page=11 |title=Publica (brochure) |publisher=Toyota |location=Japan |language=Japanese |page=11 |date=1961-06-01 |access-date=2021-12-29}}

| stroke = {{convert|73|mm|in|abbr=on|3}}

| power = {{convert|28|-|32|PS|abbr=on|0}}{{cite book |title=Publica parts catalogue |publisher=Toyota}}

| torque = {{convert|5.4|kgm|Nm|abbr=on|1}}

| coolingsystem = Air-cooled

}}

The 697 cc U was produced from 1961 through 1966. The power was increased from {{convert|28|to|32|PS|kW hp|abbr=on|0}} from engine number U-184170 onwards. It was exclusively installed in the Toyota Publica family of vehicles.

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{{Infobox automobile engine

| name = 2U

| image = 1965 Toyota Publica 2U engine (UP10S).jpg

| caption = Twin-carb 2U engine

| manufacturer = Toyota

| production = 1965–1976

| configuration = Flat-2

| displacement = {{convert|790|cc|cuin|abbr=on|0}}

| bore = {{convert|83|mm|in|abbr=on|3}}

| stroke = {{convert|73|mm|in|abbr=on|3}}

| coolingsystem = Air-cooled

}}

The 790 cc, {{cvt|45|PS|kW|0}} 2U was produced from 1965 through 1969, while the similar 2U-B was produced from 1966 through 1976. Output for the 2U-B when fitted to the Publica is {{cvt|49|PS|kW|0}} at 5,400 rpm. When installed in the Toyota MiniAce (UP100) minitruck and bus series, the engine only produces {{cvt|36|PS|kW|0}}{{citation | title = Toyota Commercial Cars (Catalog) | publisher = Toyota | year = 1969 | page = 6 }} at 4,600 rpm. This version has an 8.2:1 compression ratio.{{citation | title = News from Toyota | url = http://www.toyota.co.jp/jpn/company/history/75years/vehicle_lineage/car/id60015836/news/60015836.pdf | type = Press Release | date = 1967-11-06 | publisher = Toyota Motor Co. | language = Japanese }} The 2U-C used in some models of the Publica 20 series produced {{convert|40|PS|kW hp|0|abbr=on}} at 5,000 rpm.{{cite book |title=Publica models UP20,20-F,20-KS,20S parts catalogue |publisher=Toyota |id=No.53114-69 |year=1969}} It was also installed in the Publica-derived sports car, called the Toyota Sports 800.

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{{anchor|4U|4U-GSE}}

{{Infobox automobile engine

| name = 4U

| aka = FA20D

| image = Toyota 86 - Engine.jpg

| manufacturer = Subaru

| production = 2012–2021

| configuration = Flat-4

| coolingsystem = Water-cooled

| fuelsystem = Direct injection and Multi-Port injection

| fueltype = Gasoline

| displacement = {{convert|1998|cc|L cuin|abbr=on|order=flip|1}}

| bore = {{convert|86|mm|in|abbr=on|2}}

| stroke = {{convert|86|mm|in|abbr=on|2}}

| power = {{convert|200|PS|kW hp|abbr=on|0}}

| torque = {{convert|205|Nm|lbft|abbr=on|0}}

| successor = FA24D

| compression = 12.5:1

}}

{{see also|Subaru FA engine#FA20D}}

Appearing in the Toyota 86 (also known as the Toyota GT 86 in Europe, Scion FR-S in the US and Subaru BRZ), the 4U-GSE is a boxer type engine with four cylinders and a bore and stroke of {{convert|86|mm|2|abbr=on}}. The engine is a Subaru designed-and-built flat-four engine called the FA20D, with a Toyota engine code. The engine is built at Subaru's Oizumi Plant in Ota, Gunma. It features Toyota's D4-S direct and port injection systems, with a maximum power rating of {{convert|200|PS|kW hp|abbr=on|0}} at 7000 rpm and a maximum torque rating of {{convert|205|Nm|lbft|abbr=on|0}} at 6600 rpm. The compression ratio is 12.5:1.{{cite web |url=http://toyota.jp/86/001_p_001/spec/spec/index.html |title=86 スペック |trans-title=86 Specs |publisher=Toyota Japan |accessdate=2012-03-30 |url-status=dead |archiveurl=https://web.archive.org/web/20120415162149/http://toyota.jp/86/001_p_001/spec/spec/index.html |archivedate=2012-04-15 }} In 2016, for the 2017 model year, power was increased to {{convert|208|PS|kW hp|abbr=on|0}} when equipped with a manual transmission.{{cite web |last1=Jacquot |first1=Josh |title=2017 Subaru BRZ Manual |url=https://www.caranddriver.com/reviews/2017-subaru-brz-manual-test-review |work=Car and Driver |publisher=Hearst Communications, Inc. |location=US |date=October 2016 |access-date=2017-11-21}}

The 4U-GSE was discontinued in 2021, following the introduction of the second-generation Toyota 86 (also known as the Toyota GR86) and Subaru BRZ, which uses a 2.4-liter FA24D. Unlike the FA20, it does not use a Toyota engine code.

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• List of Toyota engines
• Flat engine

{{reflist}}

{{commons category|Toyota U engines}}

• [http://file.bp84.blog.shinobi.jp/35.jpg Photo of the 2U engine]

U

Category:Boxer engines

Category:Gasoline engines by model

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