The

Toyota is a Japanese multinational automotive manufacturer headquartered in Toyota City, Aichi, Japan. It was founded by Kiichiro Toyoda and incorporated on . Toyota is one of the largest automobile manufacturers in the world, producing about 10 ...

UR engine family is a 32-valve

dual overhead camshaft An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion cha ...

V8 piston engine series which was first introduced in 2006, as the UZ series it replaced began phasing out. Production started with the 1UR-FSE engine with D4-S direct injection for the 2007 Lexus LS. The series launched with a

die-cast Die casting is a metal casting process that is characterized by forcing molten metal under high pressure into a mold cavity. The mold cavity is created using two hardened tool steel dies which have been machined into shape and work similarly t ...

aluminum

engine block In an internal combustion engine, the engine block is the structure which contains the cylinders and other components. In an early automotive engine, the engine block consisted of just the cylinder block, to which a separate crankcase was attac ...

, aluminum heads, and

magnesium Magnesium is a chemical element with the symbol Mg and atomic number 12. It is a shiny gray metal having a low density, low melting point and high chemical reactivity. Like the other alkaline earth metals (group 2 of the periodic ta ...

cylinder A cylinder (from ) has traditionally been a three-dimensional solid, one of the most basic of curvilinear geometric shapes. In elementary geometry, it is considered a prism with a circle as its base. A cylinder may also be defined as an infin ...

head covers. All UR engines feature

variable valve timing In internal combustion engines, variable valve timing (VVT) is the process of altering the timing of a valve lift event, and is often used to improve performance, fuel economy or emissions. It is increasingly being used in combination with var ...

for both intake and exhaust

cam Calmodulin (CaM) (an abbreviation for calcium-modulated protein) is a multifunctional intermediate calcium-binding messenger protein expressed in all eukaryotic cells. It is an intracellular target of the secondary messenger Ca2+, and the bin ...

s or Dual VVT-i. Timing chains are used to drive the camshafts. The UR engine has been produced in 4.6, 5.0, and 5.7-liter

displacement Displacement may refer to: Physical sciences Mathematics and Physics * Displacement (geometry), is the difference between the final and initial position of a point trajectory (for instance, the center of mass of a moving object). The actual path ...

versions.

1UR

1UR-FSE

The 1UR-FSE V8 engine, introduced with the Lexus LS 460 & LS 460 L luxury sedans in 2006 has a displacement, which it gets from a bore and stroke of . The engine includes D4-S direct injection and dual

VVT-iE VVT-i, or Variable Valve Timing with intelligence, is an automobile variable valve timing technology developed by Toyota. It was first introduced in 1995 with the '' 2JZ-GE'' engine found in the JZS155 Toyota Crown and Crown Majesta. The VVT- ...

producing at 6,400 rpm and at 4,100 rpm. 1UR-FSE undergoes

X-ray An X-ray, or, much less commonly, X-radiation, is a penetrating form of high-energy electromagnetic radiation. Most X-rays have a wavelength ranging from 10 picometers to 10 nanometers, corresponding to frequencies in the range 30&nb ...

inspection and a CT ( computed tomography) scan to ensure minimal deformation after the die-casting process. Camshafts are hollow to minimize weight. Applications: * 2006-2017 Lexus LS 460 & LS 460 L * 2008-2011 Lexus GS 460 * 2009-2013 Toyota Crown Majesta

1UR-FE

The 1UR-FE is based on the 1UR-FSE but lacks the D4-S direct injection technology. Originally used for Lexus vehicles in the Middle East, it was introduced in 2010 in other markets to replace the 2UZ-FE engine in truck and SUV applications. This engine produces at 6,400 rpm and at 4,100 rpm in the Lexus GS and LS. For the Toyota Land Cruiser and Lexus GX the engine produces at 5,500 rpm and at 3,400 rpm. Applications: * 2006–2017 Lexus LS 460 & LS 460 L (Middle East) * 2005–2011 Lexus GS 460 (Middle East) * 2009–present Lexus GX 460 * 2012–2021

Toyota Land Cruiser The (also sometimes spelled as LandCruiser) is a series of four-wheel drive vehicles produced by the Japanese automobile manufacturer Toyota. It is Toyota's longest running series of models. , the sales of the Land Cruiser totalled more than ...

(Japan, China, Middle East and Australia) * 2009–2012

Toyota Sequoia The Toyota Sequoia is a full-size SUV manufactured by Toyota mainly for the North American market since 2000 for the 2001 model year and derived from the Tundra pickup truck. It is the largest SUV ever produced under the Toyota brand, after th ...

* 2009–2019 Toyota Tundra

2UR

2UR-GSE

The 2UR-GSE is a naturally aspirated

V8 engine A V8 engine is an eight-cylinder piston engine in which two banks of four cylinders share a common crankshaft and are arranged in a V configuration. The first V8 engine was produced by the French Antoinette company in 1904, developed and u ...

fitted to the IS F, RC F, GS F, LC 500, and IS 500. It is an all-alloy

DOHC An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion cha ...

, 4 valves per cylinder with

Yamaha Yamaha may refer to: * Yamaha Corporation, a Japanese company with a wide range of products and services, established in 1887. The company is the largest shareholder of Yamaha Motor Company (below). ** Yamaha Music Foundation, an organization estab ...

-designed high-flow cylinder heads, titanium inlet valves, high-lift camshafts and dual-length intake. It has D4-S gasoline port and direct injection, Dual VVT-i with electric VVT-iE inlet camshaft actuation. Bore and stroke is . The engine has a redline of 7,300 rpm. The

South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. It is bounded to the south by of coastline that stretch along the Atlantic Ocean, South Atlantic and Indian Oceans; to the ...

-based

Gazoo Racing Toyota Gazoo Racing (or Toyota GR/TGR) is a motorsport/performance brand of the Japanese automaker Toyota. Many divisions in various racing disciplines use the branding, including Toyota Gazoo Racing WRT, Toyota's World Rally Championship ...

Toyota Hilux The , stylized as HiLux and historically as Hi-Lux, is a series of pickup trucks produced and marketed by the Japanese automobile manufacturer Toyota. The majority of these vehicles are sold as pickup truck or cab chassis variants, although the ...

Dakar Dakar ( ; ; wo, Ndakaaru) (from :wo:daqaar, daqaar ''tamarind''), is the capital city, capital and List of cities in Senegal, largest city of Senegal. The city of Dakar proper has a population of 1,030,594, whereas the population of the Dakar ...

truck also utilizes the engine. In the IS F, the engine had an 11.8:1 compression ratio and produced @ 6,600 rpm and @ 5,200 rpm of

torque In physics and mechanics, torque is the rotational equivalent of linear force. It is also referred to as the moment of force (also abbreviated to moment). It represents the capability of a force to produce change in the rotational motion of th ...

. In the RC F and GS F, the compression ratio was increased to 12.3:1 and output @ 7,100 rpm and of torque at 4,800-5,600 rpm. The engine received a further increase in power to @ 7,100 rpm and of torque at 4,800 rpm in the LC and @ 7,100 rpm and of torque at 4,800 rpm in the 2019 RC F. Although since 2018, the RC F received a power decrease to in European markets. Applications: * 2007–2014

Lexus IS F The Lexus IS (XE20) is the second generation of the Lexus IS line of compact executive cars. Sold by Lexus since 2005, the line includes multiple V6 gasoline-powered models, in four-door sedan and two-door coupé convertible body styles. Addi ...

(USE20) * 2015–present

Lexus RC F The Lexus RC (Japanese: レクサス・RC, ''Rekusasu RC'') is a compact executive two-door coupé manufactured by Lexus, Toyota's luxury division. The RC which according to Lexus stands for "Radical Coupe" is a two-door coupé version of the L ...

(USC10) * 2015–2020 Lexus GS F (URL10) * 2017–present Lexus LC 500 (URZ100) * 2022–present Lexus IS 500 F-Sport Performance (USE30) * 2016-2021

Dakar Racing Truck (T1)

2UR-FSE

The 2UR-FSE is a engine which previously powered the Lexus LS 600h and the third-generation Toyota Century. It has D4-S gasoline direct injection, Dual VVT-i, and VVT-iE on the intake cam. It has the same bore and stroke as the 2UR-GSE, but produces at 6,400 rpm and at 4,000 rpm. The electric motors ( Lexus Hybrid Drive) in the system add extra power into the drivetrain, allowing the combination to deliver in total. The engine's valve covers are made from a

magnesium alloy Magnesium alloys are mixtures of magnesium (the lightest structural metal) with other metals (called an alloy), often aluminium, zinc, manganese, silicon, copper, rare earths and zirconium. Magnesium alloys have a hexagonal lattice structure, w ...

, the cylinder heads are manufactured from aluminum alloy, while like the 1UR engine block it is

to save weight. Applications: * 2007–2017 Lexus LS 600h & LS 600h L (UVF45/UVF46) * 2018–present

Toyota Century The is a limousine produced mainly for the Japanese market, serving as Toyota's flagship car within Japan; globally the unrelated Lexus LS series is Toyota's flagship luxury model. Production of the Century began in 1967, and the model received ...

(UWG60)

3UR

3UR-FE

The 3UR-FE is a engine designed for use in the Toyota Tundra, Sequoia, Land Cruiser, and Lexus LX570 vehicles, without the D-4S gasoline direct injection but with Dual VVT-i. Bore and stroke is , it produces @ 5,600 rpm and of torque @ 3,600 rpm, with a compression ratio of 10.2:1. A stainless steel exhaust manifold incorporating a 3-way

catalytic converter A catalytic converter is an vehicle emissions control, exhaust emission control device that converts toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalysis, catalyzing a redox chemic ...

is used. This engine is cast at Toyota's Bodine Aluminum and currently assembled at

Toyota Motor Manufacturing Alabama Toyota Motor Manufacturing Alabama (TMMAL) manufactures engines for cars and trucks near Huntsville, Alabama, United States. It is a subsidiary of Toyota Motor North America, itself a subsidiary of Toyota Motor Corporation of Japan. Construction ...

. Over 1.3 million kilometers of durability testing have gone into the engine.

E85 E85 is an abbreviation typically referring to an ethanol fuel blend of 85% ethanol fuel and 15% gasoline or other hydrocarbon by volume. In the United States, the exact ratio of fuel ethanol to hydrocarbon may vary according to ASTM 5798 that ...

ethanol capability was optional for the 2009 model year.Tundra CrewMax Reveal at 2007 North American International Auto Show
/ref> The engine's service weight is . 2020 Tundra Engine Bay

For a time, Toyota offered an available bolt-on

Toyota Racing Development Toyota Racing Development (also known by its abbreviation TRD) is the in-house tuning shop for all Toyota, Lexus and formerly Scion cars. ''TRD'' is responsible both for improving street cars for more performance and supporting Toyota's racing ...

Eaton Corporation Twin Vortices Series roots-type supercharger kit for the Tundra and Sequoia which bumps power up to and of torque. The supercharger kit could be installed by dealers and was covered under warranty. Later on, Magnuson offered an improved version of the supercharger kit which raised the output to 550hp. Applications: * 2007–2021 Toyota Tundra * 2007–2022 Toyota Sequoia * 2007–2021 Toyota Land Cruiser 200 Series – US and Middle East markets only * 2007–2021 Lexus LX 570

3UR-FBE

An E85 Ethanol version of the 3UR-FE engine. Applications: * 2009 – 2014 Toyota Tundra * 2009 – 2014 Toyota Sequoia References

External links

http://www.toyota.co.jp/en/tech/environment/powertrain/engine/engine2.html

1UR